<div dir="ltr"><div><div>Hi, </div><div>I'm not sure. do you want this?</div><div><br></div><div>1. Convert vector to raster. You can click menu Raster > Conversion > Rasterize (Vector to Raster)</div><div><br></div><div>2. Raster Calculator expression => ("raster@1"  = -9999) * 0  + ("raster@1" > -9999)*"raster@1"</div></div><div><br></div><div>Best Regards</div><div class="gmail_extra"><br><div class="gmail_quote">2014-11-07 18:56 GMT+07:00 Andrés Ocaña Carretón <span dir="ltr"><<a href="mailto:andresocaac@yahoo.es" target="_blank">andresocaac@yahoo.es</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif;font-size:10px;background-color:rgb(255,255,255)"><div dir="ltr">Hi!</div><div dir="ltr"><br></div><div dir="ltr"><span lang="en"><span>I have a</span> <span>problem with the</span> <span>raster</span> <span>calculator</span> <span>and I would like</span> <span>someone to help me</span><span>.</span><br><br> <span>I created a</span> <span>raster</span> <span>layer from</span> <span>a vector</span><span> layer.</span> <span><br></span></span></div><div dir="ltr"><span lang="en"><span>The new</span> <span>raster</span> <span>layer has</span> <span>cells with values</span> <span>assigned to the</span> <span>vector layer</span> <span>and the rest with</span> <span>-9999</span> <span>values</span><span>.</span> <span>I want</span> <span>the cells</span> <span>to</span> <span>pass</span> <span>values</span> <span>-9999</span> <span>have values</span> <span>0</span><span>.</span><br> <span><br></span></span></div><div dir="ltr"><span lang="en"><span>For this</span> <span>I use the</span> <span>raster</span> <span>calculator and</span> <span>the following formula</span>:<br> <span>if (</span><span>layer name</span> <span>=</span> <span>100,100,0</span><span>)</span><span></span> <span><br></span></span></div><div dir="ltr"><span lang="en"><span><br></span></span></div><div dir="ltr"><span lang="en"><span>100</span> <span>is the value of</span> <span>the cells that</span> <span>had</span> <span>assigned</span> <span>value in the</span> <span>vector layer</span><span>.</span><br> <span><br></span></span></div><div dir="ltr"><span lang="en"><span>However</span> <span>I get the</span> <span>message</span> <span>invalid</span> <span>expression</span><span>.</span><br> <span>Does anyone</span> <span>could</span> <span>tell</span> <span>me</span> <span>where is the</span> <span>problem?</span> <span>Or</span> <span>help me get</span> <span>what I want</span><span>?</span><br> <span><br></span></span></div><div dir="ltr"><span lang="en"><span>Thank you</span></span></div><div dir="ltr"><span lang="en"><span><br></span></span></div><div dir="ltr"><br></div></div></div><br>_______________________________________________<br>
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<a href="http://lists.osgeo.org/mailman/listinfo/qgis-user" target="_blank">http://lists.osgeo.org/mailman/listinfo/qgis-user</a><br></blockquote></div><br><div><br></div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>Chingchai  Humhong</div><div>Regional Center of Geo-Informatics and </div><div>Space Technology, Lower Northern Region</div><div>Naresuan University Phitsanulok 65000</div><div>Lat:16.742496, Lon:100.191605<br></div><div>Mobile: 08-4624-6278<br></div><div>Blog: <a href="http://nu-gis.blogspot.com/" target="_blank">http://nu-gis.blogspot.com</a></div><div>Website: <a href="http://www.cgistln.nu.ac.th" target="_blank">http://www.cgistln.nu.ac.th</a></div><div><br></div></div></div>
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