<br><br><div class="gmail_quote">2009/6/18 Moritz Lennert <span dir="ltr"><<a href="mailto:mlennert@club.worldonline.be">mlennert@club.worldonline.be</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On 18/06/09 15:26, maven apache wrote:<br>
> Thanks I have tried it ,and I found each transfered vector map is<br>
> not compatible with the real color position of the image......<br>
<br>
<br>
</div>You will have to give us more info than that if you want any help. What<br>
do you mean by "not compatible" ?</blockquote><div>I imported the swi.tiff to grass,got four raster ,r g b and other ,then I composite them , </div><div>The composited raster have five category: </div><div>0</div>
<div>9321</div><div>26425</div><div>31744</div><div>32736</div><div>And I use the r.to.vect commond to change it to to a vecor layer.</div><div>then extract:</div><div>v.extract input=swivec@PERMANENT output=swi_32736 type=point,area layer=1 new=-1 list=32736 --overwrite</div>
<div>then I display the swi_32736 ,its shape is not close to which in the tiff.</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
Have you set your working region correctly ? Try g.region<br>
rast=YourRasterMap before r.to.vect (or maybe with res= to set to a<br>
finer resolution).</blockquote><div>I create new location for the tiff,so I think the region is not a problem </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
<font color="#888888"><br>
Moritz<br>
</font></blockquote></div><br>