[Qgis-developer] Problem with GDAL_translate. REST Services, QGIS

[Lauri Kajan]

Hi Randy,

You are requesting json format from arcgisonline. That is a vector format
and you are trying to use it as a raster image.
Secondly you are trying to translate that into WMS with gdal_translate.
Gdal supports WMS-reading only, not creation (
http://gdal.org/formats_list.html).

I recommend for you some introduction to GIS and raster and vector formats.
http://www.qgis.org/en/docs/gentle_gis_introduction/index.html


Regards,

Lauri




On Thu, Mar 13, 2014 at 4:51 PM, Randal Hale <
rjhale at northrivergeographic.com> wrote:

> So I figured I would start here and work my way out...or up. Sorry for the
> cross posting. I'm hitting a little bit of everything on this one. Same
> action - different results (sorta). This is all of my attempts at adding a
> REST Service from ArcGISOnline to QGIS (using GDAL in some cases).
>
> On Ubuntu 12.04 LTS gdal 1.10
> This command: gdal_translate "http://server.arcgisonline.
> com/ArcGIS/rest/services/USA_Topo_Maps/MapServer?f=json&pretty=true"
> ESRITopographicLayer.xml -of WMS
> Gives me a segmentation fault
>
> On windows 7 OSGEO4w 32 bit installer gdal 1.10.1
> This command: gdal_translate "http://server.arcgisonline.
> com/ArcGIS/rest/services/USA_Topo_Maps/MapServer?f=json&pretty=true"
> ESRITopographicLayer.xml -of WMS
> Gives me:
> ERROR 4: `/vsimem/http_1/file.dat' not recognised as a supported file
> format.
> ERROR 4: `/tmp/file.dat' not recognised as a supported file format.
> GDALOpen failed - 4
>
> In QGIS 2.2  On windows (OSGEo4W installer) python console:
> qgis.utils.iface.addRasterLayer("http://server.
> arcgisonline.com/ArcGIS/rest/services/USA_Topo_Maps/
> MapServer?f=json&pretty=true","raster")
> Gives me an error saying /tmp/file.dat is not a recognized format.
>
> On Ubuntu 12.04 QGIS 2.2 Python Console
> qgis.utils.iface.addRasterLayer("http://server.
> arcgisonline.com/ArcGIS/rest/services/USA_Topo_Maps/
> MapServer?f=json&pretty=true","raster")
> Crashes QGIS.
>
> Once again my apologies for cross posting. I *think* it's all related. I
> think.
>
> Randy
>
> --
> -----------------
> Randal Hale, GISP
> North River Geographic Systems, Inc
> http://www.northrivergeographic.com
> 423.653.3611 rjhale at northrivergeographic.com
> twitter:rjhale
> http://about.me/rjhale
>
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