<div dir="ltr"><div>Is it an actual grid? in the meaning of having constant step size in X and Y.</div><div>In that case the geolocation is just the corner and the x and y sizes. You can convert to a georeference raster, and warp it.<br></div><div>If it is not the case, you have something more like a 2D pointcloud, or a bunch of poins in a strange vector format.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 18 Oct 2024 at 12:20, Conrad Bielski via gdal-dev <<a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:16px"><div dir="ltr">Hello GDAL-experts,</div><div dir="ltr"><br></div><div dir="ltr">normally when I use GDAL for reprojecting imagery, the projection information that I use is the source spatial reference (SRS) associated with the imagery. However, now I have imagery which is lat/lon geographic and I have two separate bands which also carry the pixel geographic information. So the following raster inputs all the same size:</div><div dir="ltr">1. Band 1 = latitude</div><div dir="ltr">2. Band 2 = longitude</div><div dir="ltr">3. Band 3 = imagery</div><div dir="ltr"><br></div><div dir="ltr">The question I have is how best to integrate this information into a reprojection workflow?</div><div dir="ltr"><br></div><div dir="ltr">I presume that gdalwarp is the best option here, but how can I take advantage of the individual pixel location information (rather than just the extents for example)? I know that I can mosaic into an existing file that I have already created in the target projection. Is this the best way to apply gdalwarp in this context?</div><div dir="ltr"><br></div><div dir="ltr">I'm just wondering what is the best way to integrate the lat/lon pixel information into my warping using gdalwarp.</div><div dir="ltr"><br></div><div dir="ltr">Thanks in advance for your help,</div><div dir="ltr">Conrad<br></div></div></div>_______________________________________________<br>
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