Jan,<br><br>[1]: <a href="http://www.gdal.org/frmt_various.html#WLD">http://www.gdal.org/frmt_various.html#WLD</a><br><br><div class="gmail_quote">On Mon, Oct 31, 2011 at 8:39 PM, Jan Tappenbeck <span dir="ltr"><<a href="mailto:osm@tappenbeck.net">osm@tappenbeck.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><br>
<br>
Hi !<br>
<br>
this is a very strange way - i have tfw-file for the images.<br>
<br>
is there a possibility to integrate this information to the gdalwarp-command.<br></blockquote><div>GDAL should automatically check for .tfw file. Check if the .tfw file is according to the specified format[1].<br> </div>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
</blockquote><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
in the web i only found the additional command -co tfw=yes - but then only a list of possible options will list !!!!!<br></blockquote><div>The TFW=YES creation option is used to 'create' the world file while creating new files.<br>
<br></div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
please help !<br>
<br>
regards Jan :-)<br>
<br>
Am 25.10.2011 14:40, schrieb Chaitanya kumar CH:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div class="im">
Jan,<br>
<br>
You need to assign not only the projection of the source file but also<br>
the geographical extents. The easiest way to do this is by adding GCPs<br>
to it using the -gcp option of gdal_translate to create a new tif file.<br>
Use the four corners of the image. Remember that the top left of the top<br>
left pixel is (0,0) and bottom right of the bottom right pixel is<br>
(width,height).<br>
<br>
On Tue, Oct 25, 2011 at 3:33 PM, Jan Tappenbeck <<a href="mailto:tappenbeck@widemann.de" target="_blank">tappenbeck@widemann.de</a><br></div><div><div></div><div class="h5">
<mailto:<a href="mailto:tappenbeck@widemann.de" target="_blank">tappenbeck@widemann.de</a><u></u>>> wrote:<br>
<br>
<br>
<br>
hi<br>
<br>
i try to transform a rasterimage with following command:<br>
<br>
gdalwarp -s_srs EPSG:25832 -t_srs EPSG:31466 [Path]\DOP_3905470.tif<br>
[Path]\DOP_3905470_trans.tif<br>
<br>
the message is ...<br>
<br>
C:\Program Files (x86)\FWTools2.4.7>gdalwarp -s_srs EPSG:25832<br>
-t_srs EPSG:31466<br>
[Path]\DOP_3905470.tif [Path]\DOP_3905470_trans.tif<br>
ERROR 1: Unable to compute a transformation between pixel/line<br>
and georeferenced coordinates for [Path]\DOP_3905470.tif.<br>
There is no affine transformation and no GCPs.<br>
<br>
and the data of the source:....<br>
<br>
Driver: GTiff/GeoTIFF<br>
Files: [Path]\DOP_3905470.tif<br>
Size is 10000, 10000<br>
Coordinate System is `'<br>
Image Structure Metadata:<br>
INTERLEAVE=PIXEL<br>
Corner Coordinates:<br>
Upper Left ( 0.0, 0.0)<br>
Lower Left ( 0.0,10000.0)<br>
Upper Right (10000.0, 0.0)<br>
Lower Right (10000.0,10000.0)<br>
Center ( 5000.0, 5000.0)<br>
Band 1 Block=10000x1 Type=Byte, ColorInterp=Red<br>
Band 2 Block=10000x1 Type=Byte, ColorInterp=Green<br>
Band 3 Block=10000x1 Type=Byte, ColorInterp=Blue<br>
<br>
can anybody help me ?<br>
<br>
regards Jan .-)<br>
<br>
--<br>
<br>
Freundliche Grüße<br>
i.A. Jan Tappenbeck<br>
<br>
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Best regards,<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Best regards,<br>Chaitanya kumar CH.<br><br>+91-9494447584<br>17.2416N 80.1426E<br>