[Qgis-user] Unable to Clip Raster from WMS Source

[Michael Demeyer]

Ah… I found the answer.  If I export the LAYER it allows me to clip and rescale in the export.  That seems to be working…

Thanks!

Michael

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From: Nicolas Cadieux<mailto:nicolas.cadieux at archeotec.ca>
Sent: Sunday, April 19, 2020 5:46 PM
To: Michael Demeyer<mailto:michael at demeyer.org>
Cc: qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>
Subject: Re: [Qgis-user] Unable to Clip Raster from WMS Source

Hi,

You need to export the image first.  Try exporting the project as a .tiff then, you will be able to clip the new image.
Nicolas Cadieux
Ça va bien aller!


Le 19 avr. 2020 à 20:01, Michael Demeyer <Michael at demeyer.org> a écrit :

Have connected a WMS server for the NAIP Imagery data (US Department of Agriculture) to a layer in a project, which seems to function properly.  I am trying to export a sub-section of the data using the Clip Raster by Extent function, also specifying the resolution at 30 x 30 meters.

Below is the input string to GDAL that is created.  I consistently (100% of the time) get an error saying “Failure: No Target Dataset Specified”

Have tried everything I can think of.  This command works fine for me on local data, but is somehow not working for this WMS source.

Thanks!

Michael

QGIS version: 3.12.1-București
QGIS code revision: 121cc00ff0
Qt version: 5.11.2
GDAL version: 3.0.4
GEOS version: 3.8.1-CAPI-1.13.3
PROJ version: Rel. 6.3.1, February 10th, 2020
Processing algorithm…
Algorithm 'Clip raster by extent' starting…
Input parameters:
{ 'DATA_TYPE' : 0, 'EXTRA' : '', 'INPUT' : 'contextualWMSLegend=0&crs=EPSG:4326&dpiMode=7&featureCount=10&format=image/jpeg&layers=0&styles&url=https://services.nationalmap.gov/arcgis/services/USGSNAIPImagery/ImageServer/WMSServer', 'NODATA' : None, 'OPTIONS' : '', 'OUTPUT' : 'E:/Flying/Landscape Building/Imagery Test/jpeg test.bil', 'PROJWIN' : '415804, 761404, 3987838, 4379518' }

GDAL command:
gdal_translate -projwin 415804.0 4379518.0 761404.0 3987838.0 -of EHdr contextualWMSLegend=0&crs=EPSG:4326&dpiMode=7&featureCount=10&format=image/jpeg&layers=0&styles&url=https://services.nationalmap.gov/arcgis/services/USGSNAIPImagery/ImageServer/WMSServer "E:/Flying/Landscape Building/Imagery Test/jpeg test.bil"
GDAL command output:


FAILURE: No target dataset specified.

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