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    Redobrados agradecimentos Thiago,<br>
     <br>
                    Agora vou poder começar a classificar as imagens com
    suas combinações de bandas por NDVI, WDVI etc., ou seja muito
    trabalho pela frente ainda.<br>
    <br>
    Abraço,<br>
    <br>
    Alexandre<br>
    <br>
    <pre class="moz-signature" cols="72">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal
Coordenador do curso Técnico em Florestas
Vice Coordenador do curso de Engenharia Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a class="moz-txt-link-abbreviated" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a class="moz-txt-link-abbreviated" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a>                    
======================================================================</pre>
    <br>
    <br>
    <br>
    <div class="moz-cite-prefix">Em 06/04/2013 21:09, Thiago V. dos
      Santos escreveu:<br>
    </div>
    <blockquote
      cite="mid:1365296962.82601.YahooMailNeo@web121904.mail.ne1.yahoo.com"
      type="cite">
      <div style="color:#000; background-color:#fff; font-family:times
        new roman, new york, times, serif;font-size:12pt">
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;"><span>Alexandre,</span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;"><span><br>
          </span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;">Acho que consigo ajudar.</div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;"><span><br>
          </span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;"><span>a) a imagem final nao
            tera o histograma adulterado pelo recorte, mas ele sera
            diferente porque contem apenas uma parte dos dados da imagem
            original. Se voce quiser manter a mesma escala durante o
            plot, tera que controlar os valores manualmente (de acordo
            com o comando para plotar que voce esta usando) para que o
            range seja o mesmo da imagem original. Isso deixaria as duas
            imagens "comparaveis".</span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;"><span><br>
          </span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 16px; color: rgb(0, 0, 0); background-color:
          transparent; font-style: normal;"><span>b) voce nao precisa
            fazer nenhuma conversao para salvar a imagem final de Tiff.
            O proprio pacote raster pode salvar (usando drivers do
            rgdal), em algo parecido com isso:</span></div>
        <div style="background-color: transparent;">       
          require(rgdal)</div>
        <div style="background-color: transparent; color: rgb(0, 0, 0);
          font-size: 16px; font-family: 'times new roman', 'new york',
          times, serif; font-style: normal;"><span style="color: rgb(0,
            0, 0); font-family: 'times new roman', 'new york', times,
            serif; font-size: 16px; font-style: normal;"><span
              class="Apple-tab-span" style="white-space:pre"> </span></span><span
            style="background-color: transparent;">writeRaster(land_mask,
            filename="landsat_cropped.tif", format="GTiff",
            overwrite=TRUE)</span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;"><span style="background-color:
            transparent; font-size: 12pt;"><br>
          </span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;"><span style="background-color:
            transparent; font-size: 12pt;">O comando acima funcionara
            tanto para uma imagem quanto para brick (ou stack).</span></div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;"> </div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;">Saudações,<br>
          --<br>
          Thiago V. dos Santos<br>
          PhD student<br>
          Land and Atmospheric Science<br>
          University of Minnesota<br>
<a class="moz-txt-link-freetext" href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
          Phone: (612) 323 9898<br>
        </div>
        <div style="font-family: 'times new roman', 'new york', times,
          serif; font-size: 12pt;">
          <div style="font-family: 'times new roman', 'new york', times,
            serif; font-size: 12pt;">
            <div dir="ltr"> <font size="2" face="Arial">
                <hr size="1"> <b><span style="font-weight:bold;">From:</span></b>
                ASANTOS <a class="moz-txt-link-rfc2396E" href="mailto:alexandresantosbr@yahoo.com.br"><alexandresantosbr@yahoo.com.br></a><br>
                <b><span style="font-weight: bold;">To:</span></b>
                <a class="moz-txt-link-abbreviated" href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a> <br>
                <b><span style="font-weight: bold;">Sent:</span></b>
                Saturday, April 6, 2013 7:26 PM<br>
                <b><span style="font-weight: bold;">Subject:</span></b>
                Re: [R-br] Criando uma mascara com shapefile sobre
                raster<br>
              </font> </div>
            <br>
            <div id="yiv425069057">
              <div> Thiago,<br>
                <br>
                      Desculpe pensei um pouco e achei a solução para
                retornar ao valor inicial dos pixels, o problema agora
                esta sendo salvar esta imagem regular em tiff, sendo:<br>
                #Check final result<br>
                plot(land_mask)<br>
                image(land_mask, axes = FALSE, col = grey(seq(0, 1,
                length = 256)))<br>
                #<br>
                require(rgdal)<br>
                img.mask <- as(x, "SpatialPixelsDataFrame") #
                Converting the RasterLayer object to a
                SpatialPixelsDataFrame object<br>
                writeGDAL(img.mask, "img.mask.tif", drivername="GTiff")
                # This doesn´t works<br>
                #<br>
                <br>
                     Sendo que a imagem final não produz um tiff com o
                mesmo resultado que em image(land_mask, axes = FALSE,
                col = grey(seq(0, 1, length = 256)))<br>
                <br>
                Obrigado,<br>
                <br>
                Alexandre<br>
                <br>
                <br>
                <div class="yiv425069057moz-cite-prefix">Em 06/04/2013
                  19:48, ASANTOS escreveu:<br>
                </div>
                <blockquote type="cite"> PERFEITO!!!! Thiago,<br>
                  <br>
                           Era isto mesmo que eu queria fazer. Minha
                  abordagem inicial era trabalhar com polígonos usando o
                  PBSmapping, mas estava difícil fazer a representação
                  do contorno neste formato sobre a imagem. Tenho uma
                  última questão e vou precisar combinar diferentes
                  bandas, por isso a bordagem inicial usando stack(),
                  mas vou utilizar um loop sobre brick() conforme me
                  recomendou, porém o que me preocupa foi o processo de
                  rasterize() que gostaria de saber se vai mudar o valor
                  dos pixels? Pois quero plotar novamente como na imagem
                  inicial em escala de cinza, mas se fazer um plot
                  greyscale o valor dos pixels não vão ficar subjetivo?<br>
                  <br>
                  Obrigado,<br>
                  <br>
                  Alexandre<br>
                  <br>
                  <br>
                  <div class="yiv425069057moz-cite-prefix">Em 06/04/2013
                    18:52, Thiago V. dos Santos escreveu:<br>
                  </div>
                  <blockquote type="cite">
                    <div style="color: rgb(0, 0, 0); background-color:
                      rgb(255, 255, 255); font-family: 'times new
                      roman', 'new york', times, serif; font-size:
                      12pt;">
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 12pt;"><span>Alexandre, </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span><br>
                        </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span>Acredito que o codigo
                          no final dessa mensagem funcione. </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span><br>
                        </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span>O maior problema foi
                          converter o seu shapefile de polylines para
                          polygons (voce tinha mencionado na primeira
                          pergunta). So consegui fazer isso usando uma
                          combinacao de funcoes dos pacores maptools e
                          PBSmapping - voce deve instalar esse pacote. </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span><br>
                        </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span>Primeiro eu converti
                          as polylines para polysets (classe do pacote
                          PBSmapping) e em seguida polysets para
                          poligonos. O fluxo subsequente foi o mesmo que
                          eu tinha te passado anteriormente.</span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span><br>
                        </span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span>Alem disso, carreguei
                          a banda que voce mandou como brick (ao inves
                          de stack) para para fins de simplicidade. Se
                          voce fizer questao do stack para aplicar a
                          todas as bandas da imagem, entao tera que
                          fazer um loop entre elas - for (i in
                          1:nbands(land)){}.</span></div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 16px; color:
                        rgb(0, 0, 0); background-color: transparent;
                        font-style: normal;"><span
                          style="font-size:12pt;"> </span><br>
                      </div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 12pt;">---------------------------------------------------</div>
                      <div>
                        <div># Require packages</div>
                        <div>require(raster)</div>
                        <div>require(maptools)</div>
                        <div>require(PBSmapping)</div>
                        <div><br>
                        </div>
                        <div>#Load data</div>
                        <div>land <-
                           raster("LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif")</div>
                        <div>contorno_line <- readShapeLines
                          ("Catas_Altas.shp",
                           proj4string=CRS("+proj=utm +zone=23 +south
                          +datum=WGS84 +units=m +no_defs"))<br>
                        </div>
                        <div><br>
                        </div>
                        <div># Convert SpatialLines to PolySet and then
                          to SpatialPolygons - this will require
                          package PBSmapping</div>
                        <div>contorno_poly <- PolySet2SpatialPolygons
                          (SpatialLines2PolySet(contorno_line),
                          close_polys=TRUE)</div>
                        <div><br>
                        </div>
                        <div># Then, perform crop and mask procedures as
                          usual</div>
                        <div>land.crop <- crop(land,
                          extent(contorno_poly), snap='out')</div>
                        <div>contorno.na <- setValues(land.crop, NA)</div>
                        <div>contorno.r <- rasterize(contorno_poly,
                          contorno.na)</div>
                        <div>land_mask <- mask(x=land.crop,
                          mask=contorno_poly)</div>
                        <div><br>
                        </div>
                        <div>#Check final result</div>
                        <div>plot(land_mask)</div>
                        <div style="font-family: 'times new roman', 'new
                          york', times, serif; font-size: 12pt;"><span
                            style="
                            font-size:12pt;">---------------------------------------------------</span><br>
                        </div>
                      </div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 12pt;"><br>
                      </div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 12pt;">Saudações,<br>
                        --<br>
                        Thiago V. dos Santos<br>
                        PhD student<br>
                        Land and Atmospheric Science<br>
                        University of Minnesota<br>
                        <a moz-do-not-send="true" rel="nofollow"
                          class="yiv425069057moz-txt-link-freetext"
                          target="_blank"
href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
                        Phone: (612) 323 9898<br>
                      </div>
                      <div style="font-family: 'times new roman', 'new
                        york', times, serif; font-size: 12pt;">
                        <div style="font-family: 'times new roman', 'new
                          york', times, serif; font-size: 12pt;">
                          <div dir="ltr"> <font size="2" face="Arial">
                              <hr size="1"> <b><span
                                  style="font-weight:bold;">From:</span></b>
                              ASANTOS <a moz-do-not-send="true"
                                rel="nofollow"
                                class="yiv425069057moz-txt-link-rfc2396E"
ymailto="mailto:alexandresantosbr@yahoo.com.br" target="_blank"
                                href="mailto:alexandresantosbr@yahoo.com.br"><alexandresantosbr@yahoo.com.br></a><br>
                              <b><span style="font-weight:bold;">To:</span></b>
                              <a moz-do-not-send="true" rel="nofollow"
                                class="yiv425069057moz-txt-link-abbreviated"
ymailto="mailto:r-br@listas.c3sl.ufpr.br" target="_blank"
                                href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a>;
                              Thiago V. dos Santos <a
                                moz-do-not-send="true" rel="nofollow"
                                class="yiv425069057moz-txt-link-rfc2396E"
                                ymailto="mailto:thi_veloso@yahoo.com.br"
                                target="_blank"
                                href="mailto:thi_veloso@yahoo.com.br"><thi_veloso@yahoo.com.br></a>
                              <br>
                              <b><span style="font-weight:bold;">Sent:</span></b>
                              Saturday, April 6, 2013 1:17 PM<br>
                              <b><span style="font-weight:bold;">Subject:</span></b>
                              Re: [R-br] Criando uma mascara com
                              shapefile sobre raster<br>
                            </font> </div>
                          <br>
                          <div id="yiv425069057">
                            <div> Thiago<br>
                              <br>
                               Segue dbf e shx, prj não foi projetado
                              ainda não,<br>
                              <br>
                              <a moz-do-not-send="true" rel="nofollow"
                                target="_blank"
                                href="https://www.dropbox.com/s/p0idcxmh7td8hgi/Catas_Altas.dbf">https://www.dropbox.com/s/p0idcxmh7td8hgi/Catas_Altas.dbf</a>
                                ## Dbf<br>
                              <br>
                              <a moz-do-not-send="true" rel="nofollow"
                                target="_blank"
                                href="https://www.dropbox.com/s/mssh8lq6cy61ncd/Catas_Altas.shx">https://www.dropbox.com/s/mssh8lq6cy61ncd/Catas_Altas.shx</a>
                              ## Shx,<br>
                              <br>
                              <br>
                              Muito obrigado,<br>
                              <br>
                              <br>
                              Alexandre<br>
                              <br>
                               <br>
                              <div class="yiv425069057moz-cite-prefix">Em

                                06/04/2013 14:05, Thiago V. dos Santos
                                escreveu:<br>
                              </div>
                              <blockquote type="cite">
                                <div style="color:rgb(0, 0, 0);
                                  background-color:rgb(255, 255,
                                  255);font-family:'times new roman',
                                  'new york', times, serif;
                                  font-size:12pt;">
                                  <div><span>Alexandre,</span></div>
                                  <div style="color: rgb(0, 0, 0);
                                    font-size: 16px; font-family: 'times
                                    new roman', 'new york', times,
                                    serif; background-color:
                                    transparent; font-style: normal;"><span><br>
                                    </span></div>
                                  <div style="color: rgb(0, 0, 0);
                                    font-size: 16px; font-family: 'times
                                    new roman', 'new york', times,
                                    serif; background-color:
                                    transparent; font-style: normal;"><span
                                      style="font-size:12pt;"><span
                                        style="font-size:12pt;">O .shp é
                                        só uma parte do dado, a
                                        geometria. </span>Para
                                      reproduzir o seu problema, vou
                                      precisar também do .dbf e do .shx,
                                      além do .prj se ele já estiver
                                      projetado.</span></div>
                                  <div style="color: rgb(0, 0, 0);
                                    font-size: 12pt; font-family: 'times
                                    new roman', 'new york', times,
                                    serif; background-color:
                                    transparent; font-style: normal;"><span
                                      style="font-size:12pt;"> </span><br>
                                  </div>
                                  <div>Saudações,<br>
                                    --<br>
                                    Thiago V. dos Santos<br>
                                    PhD student<br>
                                    Land and Atmospheric Science<br>
                                    University of Minnesota<br>
                                    <a moz-do-not-send="true"
                                      rel="nofollow"
                                      class="yiv425069057moz-txt-link-freetext"
                                      target="_blank"
href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
                                    Phone: (612) 323 9898<br>
                                  </div>
                                  <div style="font-family:'times new
                                    roman', 'new york', times,
                                    serif;font-size:12pt;">
                                    <div style="font-family:'times new
                                      roman', 'new york', times,
                                      serif;font-size:12pt;">
                                      <div dir="ltr"> <font size="2"
                                          face="Arial">
                                          <hr size="1"> <b><span
                                              style="font-weight:bold;">From:</span></b>
                                          ASANTOS <a
                                            moz-do-not-send="true"
                                            rel="nofollow"
                                            class="yiv425069057moz-txt-link-rfc2396E"
ymailto="mailto:alexandresantosbr@yahoo.com.br" target="_blank"
                                            href="mailto:alexandresantosbr@yahoo.com.br"><alexandresantosbr@yahoo.com.br></a><br>
                                          <b><span
                                              style="font-weight:bold;">To:</span></b>
                                          <a moz-do-not-send="true"
                                            rel="nofollow"
                                            class="yiv425069057moz-txt-link-abbreviated"
ymailto="mailto:r-br@listas.c3sl.ufpr.br" target="_blank"
                                            href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a>
                                          <br>
                                          <b><span
                                              style="font-weight:bold;">Sent:</span></b>
                                          Saturday, April 6, 2013 11:32
                                          AM<br>
                                          <b><span
                                              style="font-weight:bold;">Subject:</span></b>
                                          Re: [R-br] Criando uma mascara
                                          com shapefile sobre raster<br>
                                        </font> </div>
                                      <br>
                                      <div id="yiv425069057">
                                        <div> Obrigado pela atenção
                                          Thiago,<br>
                                          <br>
                                             Tentei fazer um CRM, mas
                                          com raster estava difícil,
                                          coloquei no dropbox mesmo,
                                          segue a ultima tentativa que
                                          fiz com suas dicas:<br>
                                          <br>
                                          #<br>
                                          require(raster)<br>
                                          <br>
                                          #Dados<br>
                                          <a moz-do-not-send="true"
                                            rel="nofollow"
                                            class="yiv425069057moz-txt-link-freetext"
                                            target="_blank"
href="https://www.dropbox.com/s/lzj71k9vt6dbou1/LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif#Raster">https://www.dropbox.com/s/lzj71k9vt6dbou1/LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif#Raster</a>
                                          in tiff<br>
                                          <a moz-do-not-send="true"
                                            rel="nofollow"
                                            class="yiv425069057moz-txt-link-freetext"
                                            target="_blank"
href="https://www.dropbox.com/s/bfcwpbw36gdlwjq/Catas_Altas.shp#contorno">https://www.dropbox.com/s/bfcwpbw36gdlwjq/Catas_Altas.shp#contorno</a>
                                          em shapefile<br>
                                          #<br>
                                          land.img<-
                                          stack(c("LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif"))
                                          ## Imagem Landsat 5<br>
                                          plotRGB(land.img,1) #Plota a
                                          banda 7 da imagem<br>
                                          <br>
                                          #Poligono de interesse em
                                          shapefile comm coordenadas em
                                          UTM<br>
                                          contorno<-
                                          readShapeLines("Catas_Altas.shp",
                                          proj4string=CRS("+proj=utm
                                          +zone=23 +south +datum=WGS84
                                          +units=m +no_defs"))<br>
                                          #<br>
                                          #Quero selecionar os pixels da
                                          imagem que estão contidos no
                                          interior do polígono contorno<br>
                                          A.crop <- crop(land.img,
                                          extent(contorno), snap='out')<br>
                                          contorno.na<-setValues(A.crop,
                                          NA)<br>
                                          contorno.r<-rasterize(contorno,

                                          contorno.na) <br>
                                          C <- mask(x=A.crop,
                                          mask=contorno.r)<br>
                                          #<br>
                                          <br>
                                          <br>
                                          <div
                                            class="yiv425069057moz-cite-prefix">Em


                                            05/04/2013 09:18, Thiago V.
                                            dos Santos escreveu:<br>
                                          </div>
                                          <blockquote type="cite">
                                            <div style="color:rgb(0, 0,
                                              0);background-color:rgb(255,
                                              255,
                                              255);font-family:'times
                                              new roman', 'new york',
                                              times,
                                              serif;font-size:12pt;">
                                              <div><span>Mas você recebe
                                                  algum erro ou o
                                                  resultado é diferente
                                                  do esperado?</span></div>
                                              <div style="color:rgb(0,
                                                0,
                                                0);font-size:16px;font-family:'times
                                                new roman', 'new york',
                                                times, serif;
background-color:transparent;font-style:normal;"><span><br>
                                                </span></div>
                                              <div style="color:rgb(0,
                                                0,
                                                0);font-size:16px;font-family:'times
                                                new roman', 'new york',
                                                times, serif;
background-color:transparent;font-style:normal;"><span>O melhor mesmo
                                                  seria fornecer seus
                                                  dados para tentarmos
                                                  reproduzir o problema.
                                                  Não dá pra colocar no
                                                  dropbox? 50Mb não é
                                                  nada tão grande
                                                  assim...</span></div>
                                              <div> </div>
                                              <div>Saudações,<br>
                                                --<br>
                                                Thiago V. dos Santos<br>
                                                PhD student<br>
                                                Land and Atmospheric
                                                Science<br>
                                                University of Minnesota<br>
                                                <a
                                                  moz-do-not-send="true"
                                                  rel="nofollow"
                                                  class="yiv425069057moz-txt-link-freetext"
                                                  target="_blank"
href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
                                                Phone: (612) 323 9898<br>
                                              </div>
                                              <div
                                                style="font-family:'times
                                                new roman', 'new york',
                                                times,
                                                serif;font-size:12pt;">
                                                <div
                                                  style="font-family:'times
                                                  new roman', 'new
                                                  york', times,
                                                  serif;font-size:12pt;">
                                                  <div dir="ltr"> <font
                                                      size="2"
                                                      face="Arial">
                                                      <hr size="1"> <b><span
style="font-weight:bold;">From:</span></b> ASANTOS <a
                                                        moz-do-not-send="true"
                                                        rel="nofollow"
                                                        class="yiv425069057moz-txt-link-rfc2396E"
ymailto="mailto:alexandresantosbr@yahoo.com.br" target="_blank"
                                                        href="mailto:alexandresantosbr@yahoo.com.br"><alexandresantosbr@yahoo.com.br></a><br>
                                                      <b><span
                                                          style="font-weight:bold;">To:</span></b>
                                                      <a
                                                        moz-do-not-send="true"
                                                        rel="nofollow"
                                                        class="yiv425069057moz-txt-link-abbreviated"
ymailto="mailto:r-br@listas.c3sl.ufpr.br" target="_blank"
                                                        href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a>;
                                                      Thiago V. dos
                                                      Santos <a
                                                        moz-do-not-send="true"
                                                        rel="nofollow"
                                                        class="yiv425069057moz-txt-link-rfc2396E"
ymailto="mailto:thi_veloso@yahoo.com.br" target="_blank"
                                                        href="mailto:thi_veloso@yahoo.com.br"><thi_veloso@yahoo.com.br></a>
                                                      <br>
                                                      <b><span
                                                          style="font-weight:bold;">Sent:</span></b>
                                                      Thursday, April 4,
                                                      2013 9:23 PM<br>
                                                      <b><span
                                                          style="font-weight:bold;">Subject:</span></b>
                                                      Re: [R-br] Criando
                                                      uma mascara com
                                                      shapefile sobre
                                                      raster<br>
                                                    </font> </div>
                                                  <br>
                                                  Thiago,<br>
                                                  <br>
                                                        Explicando
                                                  melhor teoricamente,
                                                  pois um CRM implicaria
                                                  em uma <br>
                                                  imagem de 50MB, tenho:<br>
                                                  <br>
                                                  1) Uma imagem do
                                                  landsat 5 com um
                                                  quadrante de
                                                  interesse;<br>
                                                  2)Um contorno em
                                                  shapefile de uma área
                                                  de 200 hectares.<br>
                                                  <br>
                                                      Quero utilizar
                                                  apenas os pixels da
                                                  imagem contidos no
                                                  interior da <br>
                                                  área de 200 hectares,
                                                  para tanto extend()
                                                  não resolve pois
                                                  utiliza <br>
                                                  apenas utiliza
                                                  coordenadas max e min
                                                  e não considera a
                                                  forma (contorno) <br>
                                                  do meu polígono para
                                                  seleção dos pixels
                                                  contidos nele.<br>
                                                  <br>
                                                      Não consegui
                                                  realizar o que desejo
                                                  com a rotina sugerida.
                                                  Mascara, <br>
                                                  usei como um termo que
                                                  implica em área útil
                                                  da imagem, não quero o
                                                  <br>
                                                  quadrante todo
                                                  oferecido pela imagem,
                                                  mas aquilo que esta
                                                  contido no meu <br>
                                                  shapefile.<br>
                                                  <br>
                                                  Obrigado pela atenção,<br>
                                                  <br>
                                                  Alexandre<br>
                                                  <br>
                                                  <br>
                                                  <br>
                                                  Em 04/04/2013 21:03,
                                                  Thiago V. dos Santos
                                                  escreveu:<br>
                                                  > Alexandre,<br>
                                                  ><br>
                                                  > O que a área do
                                                  raster tem a ver com o
                                                  tipo de função usada
                                                  para carregar o
                                                  shapefile?<br>
                                                  ><br>
                                                  > Você não consegui
                                                  recortar o raster com
                                                  o shapefile usando os
                                                  comandos que eu eu
                                                  sugeri? O que
                                                  exatamente você quis
                                                  dizer com criar uma
                                                  máscara na pergunta
                                                  inicial?<br>
                                                  ><br>
                                                  > Saudações,<br>
                                                  > --<br>
                                                  > Thiago V. dos
                                                  Santos<br>
                                                  > PhD student<br>
                                                  > Land and
                                                  Atmospheric Science<br>
                                                  > University of
                                                  Minnesota<br>
                                                  > <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    target="_blank"
href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
                                                  > Phone: (612) 323
                                                  9898<br>
                                                  ><br>
                                                  ><br>
                                                  > ----- Original
                                                  Message -----<br>
                                                  > From: ASANTOS
                                                  <<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:alexandresantosbr@yahoo.com.br"
                                                    target="_blank"
                                                    href="mailto:alexandresantosbr@yahoo.com.br">alexandresantosbr@yahoo.com.br</a>><br>
                                                  > To: <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:r-br@listas.c3sl.ufpr.br"
                                                    target="_blank"
                                                    href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a><br>
                                                  > Cc:<br>
                                                  > Sent: Thursday,
                                                  April 4, 2013 5:14 PM<br>
                                                  > Subject: Re:
                                                  [R-br] Criando uma
                                                  mascara com shapefile
                                                  sobre raster<br>
                                                  ><br>
                                                  > Thiago,<br>
                                                  ><br>
                                                  >            Não
                                                  deu certo não,
                                                  transformei em<br>
                                                  >
                                                  SpatialPolygons(list(Polygons(list(Polygon(contorno2)),"contorno2"))),<br>
                                                  > prefiro continuar
                                                  tentando com
                                                  readShapeLines("Catas_Altas.shp",<br>
                                                  >
                                                  proj4string=CRS("+proj=utm
                                                  +zone=23 +south
                                                  +datum=WGS84 +units=m<br>
                                                  > +no_defs")),
                                                  porque consigo
                                                  visualizar a área
                                                  sobre o raster, achei<br>
                                                  > alguns posts mais
                                                  usando o GRASS, mas
                                                  gostaria de fazer tudo
                                                  só no R.<br>
                                                  ><br>
                                                  > Obrigado,<br>
                                                  ><br>
                                                  > Alexandre<br>
                                                  ><br>
                                                  ><br>
                                                  > Em 04/04/2013
                                                  12:18, Thiago V. dos
                                                  Santos escreveu:<br>
                                                  >> Alexandre,<br>
                                                  >><br>
                                                  >> a) Tente ler
                                                  o seu shapefile com a
                                                  funcao readShapePoly.<br>
                                                  >><br>
                                                  >> b) Se nao der
                                                  certo, sugiro uma
                                                  combinacao das funcoes
                                                  crop e raster. Nesse
                                                  caso, experimente
                                                  rodar o seu codigo com
                                                  as seguintes mudancas:<br>
                                                  >><br>
                                                  >>
                                                  require("raster")<br>
                                                  >> A <-
                                                  stack("LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif")<br>
                                                  >> contorno<-
readShapePoly("Catas_Altas.shp")<br>
                                                  >><br>
                                                  >> A.crop <-
                                                  crop(A,
                                                  extent(contorno),
                                                  snap='out')<br>
                                                  >><br>
                                                  >>
                                                  contorno.na<-setValues(A.crop,
                                                  NA)<br>
                                                  >>
                                                  contorno.r<-rasterize(contorno,
                                                  contorno.na) ### isso
                                                  pode demorar,
                                                  dependendo do seu
                                                  shapefile<br>
                                                  >> C <-
                                                  mask(x=A.crop,
                                                  mask=contorno.r)<br>
                                                  >><br>
                                                  >><br>
                                                  >> Saudações,<br>
                                                  >><br>
                                                  >> --<br>
                                                  >> Thiago V. dos
                                                  Santos<br>
                                                  >> PhD student<br>
                                                  >> Land and
                                                  Atmospheric Science<br>
                                                  >> University of
                                                  Minnesota<br>
                                                  >> <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    target="_blank"
href="http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm">http://www.laas.umn.edu/CurrentStudents/MeettheStudents/ThiagodosSantos/index.htm</a><br>
                                                  >> Phone: (612)
                                                  323 9898<br>
                                                  >><br>
                                                  >><br>
                                                  >> -----
                                                  Original Message -----<br>
                                                  >> From:
                                                  ASANTOS<<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:alexandresantosbr@yahoo.com.br"
                                                    target="_blank"
                                                    href="mailto:alexandresantosbr@yahoo.com.br">alexandresantosbr@yahoo.com.br</a>><br>
                                                  >> To:<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:r-br@listas.c3sl.ufpr.br"
                                                    target="_blank"
                                                    href="mailto:r-br@listas.c3sl.ufpr.br">r-br@listas.c3sl.ufpr.br</a><br>
                                                  >> Cc:<br>
                                                  >> Sent:
                                                  Thursday, April 4,
                                                  2013 10:31 AM<br>
                                                  >> Subject:
                                                  [R-br] Criando uma
                                                  mascara com shapefile
                                                  sobre raster<br>
                                                  >><br>
                                                  >> Boa tarde
                                                  pessoal,<br>
                                                  >><br>
                                                  >>           
                                                  Estou com um problema
                                                  e não consigo criar
                                                  uma mascara com um
                                                  arquivo no formato
                                                  shapefile sobre raster
                                                  usando a função crop()
                                                  do pacote raster, por
                                                  algum motivo meu
                                                  objeto contorno que é
                                                  um
                                                  SpatialLinesDataFrame
                                                  não esta servido para
                                                  oferecer o polígono
                                                  limítrofe da área,
                                                  alguém poderia me dar
                                                  um help, segue CRM:<br>
                                                  >><br>
                                                  >>
                                                  require("raster")<br>
                                                  >> A <-
                                                  stack(c("LANDSAT_5_TM_20100506_217_074_L2_BAND7.tif"))##
                                                  Imagem<br>
                                                  >> plotRGB(A) ##
                                                  Plota a imagem<br>
                                                  >> contorno<-
                                                  readShapeLines("Catas_Altas.shp") 

                                                  ## Contorno da área<br>
                                                  >>
                                                  lines(contorno,
                                                  col="red")Plota o
                                                  contorno<br>
                                                  >> C <-
                                                  crop(A,contorno) ##
                                                  Recorta o que esta
                                                  contido no contorno na
                                                  imagem<br>
                                                  >> Erro em
                                                  .local(x, y, ...) :<br>
                                                  >>      nenhum
                                                  slot de nome "legend"
                                                  para esse objeto de
                                                  classe "RasterStack"<br>
                                                  >><br>
                                                  >><br>
                                                  >> --
                                                  ======================================================================<br>
                                                  >> Alexandre dos
                                                  Santos<br>
                                                  >> Proteção
                                                  Florestal<br>
                                                  >> Coordenador
                                                  do curso Técnico em
                                                  Florestas<br>
                                                  >> Vice
                                                  Coordenador do curso
                                                  de Engenharia
                                                  Florestal<br>
                                                  >> IFMT -
                                                  Instituto Federal de
                                                  Educação, Ciência e
                                                  Tecnologia de Mato
                                                  Grosso<br>
                                                  >> Campus
                                                  Cáceres<br>
                                                  >> Caixa Postal
                                                  244<br>
                                                  >> Avenida dos
                                                  Ramires, s/n<br>
                                                  >> Bairro:
                                                  Distrito Industrial<br>
                                                  >> Cáceres - MT 
                                                                     
                                                  CEP: 78.200-000<br>
                                                  >> Fone: (+55)
                                                  65 8132-8112 (TIM) 
                                                  (+55) 65 9686-6970
                                                  (VIVO)<br>
                                                  >> e-mails:<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:alexandresantosbr@yahoo.com.br"
                                                    target="_blank"
                                                    href="mailto:alexandresantosbr@yahoo.com.br">alexandresantosbr@yahoo.com.br</a><br>
                                                  >>            <a
moz-do-not-send="true" rel="nofollow"
                                                    ymailto="mailto:alexandre.santos@cas.ifmt.edu.br"
                                                    target="_blank"
                                                    href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a><br>
                                                  >>
                                                  ======================================================================<br>
                                                  >><br>
                                                  >>
                                                  _______________________________________________<br>
                                                  >> R-br mailing
                                                  list<br>
                                                  >> <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:R-br@listas.c3sl.ufpr.br"
                                                    target="_blank"
                                                    href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a><br>
                                                  >> <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    target="_blank"
                                                    href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br">https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br</a><br>
                                                  >> Leia o guia
                                                  de postagem (<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    target="_blank"
                                                    href="http://www.leg.ufpr.br/r-br-guia">http://www.leg.ufpr.br/r-br-guia</a>)
                                                  e forneça código
                                                  mínimo reproduzível.<br>
                                                  >><br>
                                                  >><br>
                                                  <br>
                                                  -- <br>
======================================================================<br>
                                                  Alexandre dos Santos<br>
                                                  Proteção Florestal<br>
                                                  Coordenador do curso
                                                  Técnico em Florestas<br>
                                                  Vice Coordenador do
                                                  curso de Engenharia
                                                  Florestal<br>
                                                  IFMT - Instituto
                                                  Federal de Educação,
                                                  Ciência e Tecnologia
                                                  de Mato Grosso<br>
                                                  Campus Cáceres<br>
                                                  Caixa Postal 244<br>
                                                  Avenida dos Ramires,
                                                  s/n<br>
                                                  Bairro: Distrito
                                                  Industrial<br>
                                                  Cáceres - MT         
                                                              CEP:
                                                  78.200-000<br>
                                                  Fone: (+55) 65
                                                  8132-8112 (TIM)  (+55)
                                                  65 9686-6970 (VIVO)<br>
                                                  e-mails:<a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:alexandresantosbr@yahoo.com.br"
                                                    target="_blank"
                                                    href="mailto:alexandresantosbr@yahoo.com.br">alexandresantosbr@yahoo.com.br</a><br>
                                                          <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    ymailto="mailto:alexandre.santos@cas.ifmt.edu.br"
                                                    target="_blank"
                                                    href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a><br>
======================================================================<br>
                                                  <br>
                                                  <br>
                                                  <br>
                                                </div>
                                              </div>
                                            </div>
                                          </blockquote>
                                          <br>
                                          <pre class="yiv425069057moz-signature">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal
Coordenador do curso Técnico em Florestas
Vice Coordenador do curso de Engenharia Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:e-mails:alexandresantosbr@yahoo.com.br" target="_blank" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:alexandre.santos@cas.ifmt.edu.br" target="_blank" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a>                    
======================================================================
</pre>
                                        </div>
                                      </div>
                                      <br>
_______________________________________________<br>
                                      R-br mailing list<br>
                                      <a moz-do-not-send="true"
                                        rel="nofollow"
                                        ymailto="mailto:R-br@listas.c3sl.ufpr.br"
                                        target="_blank"
                                        href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a><br>
                                      <a moz-do-not-send="true"
                                        rel="nofollow" target="_blank"
                                        href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br">https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br</a><br>
                                      Leia o guia de postagem (<a
                                        moz-do-not-send="true"
                                        rel="nofollow" target="_blank"
                                        href="http://www.leg.ufpr.br/r-br-guia">http://www.leg.ufpr.br/r-br-guia</a>)
                                      e forneça código mínimo
                                      reproduzível.<br>
                                      <br>
                                    </div>
                                  </div>
                                </div>
                                <br>
                                <fieldset
                                  class="yiv425069057mimeAttachmentHeader"></fieldset>
                                <br>
                                <pre>_______________________________________________
R-br mailing list
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:R-br@listas.c3sl.ufpr.br" target="_blank" href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a>
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-freetext" target="_blank" href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br">https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br</a>
Leia o guia de postagem (<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-freetext" target="_blank" href="http://www.leg.ufpr.br/r-br-guia">http://www.leg.ufpr.br/r-br-guia</a>) e forneça código mínimo reproduzível.</pre>
                              </blockquote>
                              <br>
                              <pre class="yiv425069057moz-signature">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal
Coordenador do curso Técnico em Florestas
Vice Coordenador do curso de Engenharia Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:e-mails:alexandresantosbr@yahoo.com.br" target="_blank" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:alexandre.santos@cas.ifmt.edu.br" target="_blank" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a>                    
======================================================================
</pre>
                            </div>
                          </div>
                          <br>
                          <br>
                        </div>
                      </div>
                    </div>
                  </blockquote>
                  <br>
                  <pre class="yiv425069057moz-signature">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal
Coordenador do curso Técnico em Florestas
Vice Coordenador do curso de Engenharia Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:e-mails:alexandresantosbr@yahoo.com.br" target="_blank" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:alexandre.santos@cas.ifmt.edu.br" target="_blank" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a>                    
======================================================================
</pre>
                  <br>
                  <fieldset class="yiv425069057mimeAttachmentHeader"></fieldset>
                  <br>
                  <pre>_______________________________________________
R-br mailing list
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:R-br@listas.c3sl.ufpr.br" target="_blank" href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a>
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-freetext" target="_blank" href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br">https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br</a>
Leia o guia de postagem (<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-freetext" target="_blank" href="http://www.leg.ufpr.br/r-br-guia">http://www.leg.ufpr.br/r-br-guia</a>) e forneça código mínimo reproduzível.</pre>
                </blockquote>
                <br>
                <pre class="yiv425069057moz-signature">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal
Coordenador do curso Técnico em Florestas
Vice Coordenador do curso de Engenharia Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:e-mails:alexandresantosbr@yahoo.com.br" target="_blank" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a moz-do-not-send="true" rel="nofollow" class="yiv425069057moz-txt-link-abbreviated" ymailto="mailto:alexandre.santos@cas.ifmt.edu.br" target="_blank" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a>                    
======================================================================
</pre>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            R-br mailing list<br>
            <a moz-do-not-send="true"
              ymailto="mailto:R-br@listas.c3sl.ufpr.br"
              href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a><br>
            <a moz-do-not-send="true"
              href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br"
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            e forneça código mínimo reproduzível.<br>
            <br>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
R-br mailing list
<a class="moz-txt-link-abbreviated" href="mailto:R-br@listas.c3sl.ufpr.br">R-br@listas.c3sl.ufpr.br</a>
<a class="moz-txt-link-freetext" href="https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br">https://listas.inf.ufpr.br/cgi-bin/mailman/listinfo/r-br</a>
Leia o guia de postagem (<a class="moz-txt-link-freetext" href="http://www.leg.ufpr.br/r-br-guia">http://www.leg.ufpr.br/r-br-guia</a>) e forneça código mínimo reproduzível.</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">
</pre>
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