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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">There is also a brand new option to query pixel values with ogrinfo (sic!) by using SQL function “gdal_get_pixel_value”. See usage example and some discussion
<a href="https://lists.osgeo.org/pipermail/gdal-dev/2023-January/056759.html">https://lists.osgeo.org/pipermail/gdal-dev/2023-January/056759.html</a>. Of course the function can be reached without ogrinfo from other code.<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>Alan Snow<br>
<b>Lähetetty:</b> perjantai 27. tammikuuta 2023 15.19<br>
<b>Vastaanottaja:</b> karsten <karsten@terragis.net><br>
<b>Kopio:</b> gdal dev <gdal-dev@lists.osgeo.org><br>
<b>Aihe:</b> Re: [gdal-dev] clip raster to one cell at coordinates<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This example may be helpful: <a href="https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgis.stackexchange.com%2Fquestions%2F358036%2Fextracting-data-from-a-raster%2F358058&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7C85a22789f1314481619808db00692763%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638104223860873847%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000%7C%7C%7C&sdata=zHbA%2Bz0krbTg16Xro6TPqZAZfSqNm7ah9GuH99n7m0c%3D&reserved=0">
https://gis.stackexchange.com/questions/358036/extracting-data-from-a-raster/358058</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Jan 27, 2023, 12:00 AM karsten <<a href="mailto:karsten@terragis.net">karsten@terragis.net</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:navy">Hi All,</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="color:navy">in an application I have a user click on a map and I need to programmatically clip a raster layer
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<p class="MsoNormal"><span style="color:navy">to the one raster cell for those coordinates at the click location.
</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:navy">I was looking e.g. at <a href="https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgdal.org%2Fprograms%2Fgdal_rasterize.html&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7C85a22789f1314481619808db00692763%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638104223861030112%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000%7C%7C%7C&sdata=C3%2Fwd85eQsvtguEBYnm24gwmpgjo8Ohuetmetn0Sx%2Fw%3D&reserved=0" target="_blank">
https://gdal.org/programs/gdal_rasterize.html</a> to run as a command <br>
line tool, but so far could not figure out if I can some can "feed" that a vector point to the tool as an input</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:navy">without first writing a shape file with the point onto disk.
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<p class="MsoNormal"><span style="color:navy"><br>
Does somebody have any pointers to a command line tool (or a python example) I could use to achieve this ? <o:p></o:p></span></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="color:navy">Thanks <br>
</span><span style="font-family:"Verdana",sans-serif;color:navy">Karsten</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">Karsten Vennemann<br>
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif">Principal<br>
<br>
<span style="color:#003264">Terra GIS LTD<br>
2119 Boyer Ave E <br>
Seattle, WA 98112<br>
USA <br>
<a href="https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.terragis.net%2F&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7C85a22789f1314481619808db00692763%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638104223861030112%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000%7C%7C%7C&sdata=U59b7t3bd5QtQe%2B%2FA%2FXkw15Y7du%2B%2Fy5m4YJnclBbJ%2F0%3D&reserved=0" target="_blank" title="http://www.terragis.net/
blocked::http://www.terragis.net/">www.terragis.net</a></span></span><o:p></o:p></p>
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