<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Looks like they don’t provide the data from that service just the extents. To get the data, they have the product view <a href="https://viewer.nationalmap.gov/basic/#productGroupSearch">https://viewer.nationalmap.gov/basic/#productGroupSearch</a><o:p></o:p></p><p class=MsoNormal> that links to files for download<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Or you can access them directly via gdal with something like <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>gdalinfo /vsizip//vsicurl/https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1/GridFloat/USGS_NED_1_n35w117_GridFloat.zip/usgs_ned_1_n35w117_gridfloat.flt<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Mike<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-- <o:p></o:p></p><div><p class=MsoNormal>Michael Smith<o:p></o:p></p><p class=MsoNormal>US Army Corps of Engineers<o:p></o:p></p><p class=MsoNormal>Remote Sensing/GIS Center<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:12.0pt;color:black'>From: </span></b><span style='font-size:12.0pt;color:black'>Carl Godkin <cgodkin@gmail.com><br><b>Date: </b>Thursday, June 4, 2020 at 10:28 AM<br><b>To: </b><michael.smith.erdc@gmail.com><br><b>Cc: </b><gdal-dev@lists.osgeo.org><br><b>Subject: </b>Re: [gdal-dev] Using GDAL WMS with USGS 3DEPElevationIndex<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Hi Michael,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks a lot for your reply.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I managed to come up with something sort of like that by using gdal_translate to a WMS service description file and then using that. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>But I don't see how to get elevations from there. Have you figured that out? I know how to get imagery, but I'm interested in elevation values.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks a lot,<o:p></o:p></p></div><div><p class=MsoNormal>carl<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Jun 3, 2020 at 5:42 PM <<a href="mailto:michael.smith.erdc@gmail.com">michael.smith.erdc@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Carl,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Try something like<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>gdal_translate -f gtiff "<GDAL_WMS><Service name=\"AGS\"><ServerUrl><a href="https://index.nationalmap.gov/arcgis/rest/services/3DEPElevationIndex/MapServer" target="_blank">https://index.nationalmap.gov/arcgis/rest/services/3DEPElevationIndex/MapServer</a></ServerUrl><BBoxOrder>xyXY</BBoxOrder><SRS>3857</SRS></Service><DataWindow><UpperLeftX>-20037508.34</UpperLeftX><UpperLeftY>20037508.34</UpperLeftY><LowerRightX>20037508.34</LowerRightX><LowerRightY>-20037508.34</LowerRightY><SizeX>2500</SizeX><SizeY>2500</SizeY></DataWindow></GDAL_WMS>" test1.tif -projwin ulx uly lrx lry -projwin_srs <srs of your window> -t_srs <srs you want for the output><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you want a different size than 2500x2500 just change that size<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Michael Smith<o:p></o:p></p></div><div><p class=MsoNormal>US Army Corps<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>On Jun 3, 2020, at 8:27 PM, Carl Godkin <<a href="mailto:cgodkin@gmail.com" target="_blank">cgodkin@gmail.com</a>> wrote:<o:p></o:p></p></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><o:p></o:p></p><div><p class=MsoNormal>Hi,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'm unable to figure out how to retrieve elevation data (grids) from the 3DEP program's endpoints.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Starting here: <a href="https://index.nationalmap.gov/arcgis/rest/services/3DEPElevationIndex/MapServer" target="_blank">https://index.nationalmap.gov/arcgis/rest/services/3DEPElevationIndex/MapServer</a> <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>it would seem to be possible but I just cannot get anything back other than solid white images. Most of the help from that page leads off to ArcGIS-land which I don't have or want to use. And Googling for 3DEP leads only to more government sites that aren't helpful.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you have some experience with this (or a related public elevation data source), would you please send an example "gdal_translate" command line?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'd really like to figure out how to download terrain (as perhaps a GeoTIFF with floating point elevations) for an arbitrary CONUS lat/lon range.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks in advance for any help!<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>carl<o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>gdal-dev mailing list<br><a href="mailto:gdal-dev@lists.osgeo.org" target="_blank">gdal-dev@lists.osgeo.org</a><br><a href="https://lists.osgeo.org/mailman/listinfo/gdal-dev" target="_blank">https://lists.osgeo.org/mailman/listinfo/gdal-dev</a><o:p></o:p></p></div></blockquote></div></div></blockquote></div></div></body></html>