<div dir='ltr'>Hola,<div>Raster/Projections/warp.</div><div><br></div><div>Tienes que modificar el Gdal Scrip para anadir "<b style="font-size: 12pt;">-srcnodata -32768" (input no data) y </b><span style="font-size: 12pt;">-dstnodata -1000</span><span style="font-size: 12pt;"> (output no data). </span></div><div><span style="font-size: 12pt;"><br></span></div><div>exemplo:</div><div>gdalwarp -overwrite -s_srs EPSG:4326 <b>-srcnodata -32768</b> -dstnodata -1000 -of GTiff C:\temp\10n060e_20101117_gmted_dsc300.tif C:/temp/test/output.tif<br><br><br><div><hr id="stopSpelling">From: <a href="/user/SendEmail.jtp?type=node&node=5287508&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a><br>To: <a href="/user/SendEmail.jtp?type=node&node=5287508&i=1" target="_top" rel="nofollow" link="external">[hidden email]</a><br>Date: Fri, 23 Sep 2016 12:12:13 -0600<br>Subject: Convertir valores no data a otro valor por ejemplo 0 - Convert values no data to another value such as 0 or other value<br><br>
<div dir="ltr"><br><div><font face="tahoma, sans-serif" size="4"><img src="http://osgeo-org.1560.x6.nabble.com/attachment/5287499/0/image.png" alt="" width="562" height="271"><br></font></div><div><font face="tahoma, sans-serif" size="4"><br></font></div><div><font face="tahoma, sans-serif" size="4"><br></font></div><div><font face="tahoma, sans-serif" size="4">Hola amigos y amigas, tengo un raster que deseo convertir los valores "sin datos" a 0 (cero por ejemplo), he probado en la calculadora raster de QGIS la siguiente formula:</font></div><div><font face="tahoma, sans-serif" size="4"><br></font></div><div><font face="tahoma, sans-serif" size="4"><span style="color:rgb(36,39,41);background-color:rgb(248,248,248);">eq("ejemplo@1", -99999, 0) , pero la sintaxis da error, dice expresión " no valida", en ese caso cual es el comando correcto?</span><br></font></div><div><span style="color:rgb(36,39,41);background-color:rgb(248,248,248);"><font face="tahoma, sans-serif" size="4"><br></font></span></div><div><font face="tahoma, sans-serif" size="4"><span style="color:rgb(36,39,41);background-color:rgb(248,248,248);">La imagen se llama "ejemplo.tif", la cual adjunto en este link: </span><font color="#242729"><a href="https://www.dropbox.com/sh/5jvxndqd5sx8ypw/AAAy2nspNpuynbeyTUSGEaK9a?dl=0" rel="nofollow" target="_blank" link="external">https://www.dropbox.com/sh/5jvxndqd5sx8ypw/AAAy2nspNpuynbeyTUSGEaK9a?dl=0</a></font></font></div><div><font color="#242729" face="tahoma, sans-serif" size="4"><br></font></div><div><font color="#242729" face="tahoma, sans-serif" size="4">Muchas gracias</font></div><div><font color="#242729" face="tahoma, sans-serif" size="4"><br></font></div><div><font color="#242729" face="tahoma, sans-serif" size="4">Eddison</font></div></div>
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