<br><br><div class="gmail_quote">2010/1/20 Milton Cezar Ribeiro <span dir="ltr"><<a href="mailto:miltinho.astronauta@gmail.com">miltinho.astronauta@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>Hey "someone", don't push..</div></blockquote><div>Sorry. I was <span class="show_num a_c_4"></span>worred.</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<div>r.mapcalc "NewMap=if(OldMap==999,null(),OldMap)"<br></div></blockquote><div><br>:(<br>I have seen the docs,but I am not sure the usage of it.<br><br>My raster map is aa in the grass, and the to be changed value is 12.1,I want to change it to null,so can you build the commond for me ,:(<br>
Thanks. <br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div></div>
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<div>bests</div>
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<div>milton<br></div>
<div class="gmail_quote"><div class="im">2010/1/20 maven apache <span dir="ltr"><<a href="mailto:apachemaven0@gmail.com" target="_blank">apachemaven0@gmail.com</a>></span><br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">Hi:<div><div></div><div class="h5"><br>I have a geotiff now, and some cells have a not-expected value, so I want to Interpolation them, and I notice that there is a command named r.fillnull, however the cell to be changed is not null, so I want to :<br>
1) change the special cell value to null<br>2) use the r.fillnull to Interpolation.<br><br>The problem is I do not know how to do the step 1 with grass, anyone can do me a favor?<br><br>Thanks.<br><br></div></div>_______________________________________________<br>
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