Hi Victoria,<br><br>I want to give you a clear idea what am doing. So that you will help me in giving a best solution.<br><br><b>Explanation</b>:<br><br><ul><li> I am having an orthophoto where am intrested to make 3D layer.</li>
<li> I want to make grid and triangulate the data in order to get weightage factor for each pixel for the entire raster data, which helps me to make <br>3D layer.</li></ul>If you are having any idea on making 3D layer other than this method which i have explained, you are pleased to welcome.<br>
<br>Note: This is an ortho photo which only have x and y values, not a LIDAR data having x,y,z values in order to use the command like <b>Importing x,y,z nodes with <span class="plainlinks"><a href="http://grass.osgeo.org/grass64/manuals/html64_user/v.in.ascii.html" class="external text" rel="nofollow">v.in.ascii</a></span>,</b><br>
<br>Thanks,<br>nani.<br><br><br><br><div class="gmail_quote">On Thu, Apr 7, 2011 at 10:09 PM, Daniel Victoria <span dir="ltr"><<a href="mailto:daniel.victoria@gmail.com">daniel.victoria@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Do you mean you want to interpolate your data?<br>
<div><div></div><div class="h5"><br>
On Wed, Apr 6, 2011 at 4:30 AM, vinod kumar <<a href="mailto:nani.kunithi@gmail.com">nani.kunithi@gmail.com</a>> wrote:<br>
> Hi Hamesh,<br>
><br>
> I only have raster data and am intrested to make grid which is generally<br>
> needed and Traingulate for the raster data.<br>
><br>
> Simply i am making 3d TIN where i do not have ascii values of ´ Z ´ .<br>
><br>
> Thanks,<br>
> nani.<br>
><br>
> On Wed, Apr 6, 2011 at 9:11 AM, Hamish <<a href="mailto:hamish_b@yahoo.com">hamish_b@yahoo.com</a>> wrote:<br>
>><br>
>> vinod wrote:<br>
>> > I am using grass latest version and i want to know<br>
>> ><br>
>> > How to triangulate the raster data using grass<br>
>><br>
>> so you have a raster grid you'd like to simplify into a TIN?<br>
>> see Laura's r.refine addon module:<br>
>> <a href="http://grass.osgeo.org/wiki/TIN" target="_blank">http://grass.osgeo.org/wiki/TIN</a><br>
>> (see also<br>
>> <a href="http://grass.osgeo.org/wiki/Contour_lines_to_DEM" target="_blank">http://grass.osgeo.org/wiki/Contour_lines_to_DEM</a> )<br>
>><br>
>><br>
>> > so that i can assign attributes for each pixel?<br>
>><br>
>> no need for triangles, 'g.region res=' + 'r.to.vect feature=point'<br>
>><br>
>><br>
>> Hamish<br>
>><br>
><br>
><br>
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</blockquote></div><br>