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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Works for me on Windows with GDAL 3.4.0dev and Oct 07 2021 version of the file.<br>
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gdalwarp -t_srs epsg:4326 "Caribbean 2 VFR Chart.tif" caribbean_4326.tif<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Copying color table from Caribbean 2 VFR Chart.tif to new file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Creating output file that is 18583P x 12118L.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Processing Caribbean 2 VFR Chart.tif [1/1] : 0...10...20...30...40...50...60...70...80...90...100 - done.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">The map in caribbean_4326.tif is complete.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>Lähettäjä:</b> gdal-dev <gdal-dev-bounces@lists.osgeo.org>
<b>Puolesta </b>Carl Godkin<br>
<b>Lähetetty:</b> perjantai 5. marraskuuta 2021 16.25<br>
<b>Vastaanottaja:</b> gdal-dev@lists.osgeo.org<br>
<b>Aihe:</b> [gdal-dev] GeoTIFF gdalwarp puzzle<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'm working with some aviation charts and found one that behaves in a puzzling manner.<o:p></o:p></p>
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<p class="MsoNormal">This page <a href="https://www.faa.gov/air_traffic/flight_info/aeronav/digital_products/vfr/">https://www.faa.gov/air_traffic/flight_info/aeronav/digital_products/vfr/</a> <o:p></o:p></p>
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<p class="MsoNormal">has two Caribbean VFR charts in GeoTIFF format.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have been trying to run gdalwarp on "Caribbean 2 VFR Chart.tif" but I only ever get a small area out of the map instead of the whole extent. Specifically this command gives me just a smaller area output GeoTIFF:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">gdalwarp -t_srs EPSG:4326 "Caribbean 2 VFR Chart.tif" out.tif --debug ON<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I don't see anything from the debug output that explains this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The other chart, "Caribbean 1 VFR Chart.tif," does not behave this way, though the debug output from the same gdalwarp operation is much longer.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I can't see anything wrong. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I dragged both files into ArcGIS desktop explorer and both are displayed in the proper location and in their entirety. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">(I actually have a more elaborate workflow that works fine with chart #1 but this is the simplest operation I can think of that shows the problem with chart #2.)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thank you very much,<o:p></o:p></p>
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<p class="MsoNormal">carl<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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