Code Snippet:
GDAL_WMTS XML file – area around Cumberland River:
Code is trying to get raster tiles from the server not capabilities. Using
the example for the Local Service Description File here:
http://www.gdal.org/frmt_wmts.html .
1. Here is the WMTS XML file generated to request tiles
Yes, I tried setting the width and height in the pdataset->RasterIO call to
2048 x 1024. (Based on window size, enlarged to next power of 2. )
It doesn't crash which is good. Error code appears successful. But I am just
getting a black image now.
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I am trying to use the new GDAL_WMTS driver with GDAL Version 2.1.
Problem: The thread that receives the data from the server gets a GDAL data
set handle with a total data buffer size of 4,294,967,296 for a 4 band
image.
Questions:
1. Does GDAL_WMTS driver return all tiles combined
I am trying to generate a WMTS Service Request XML file in C++ code for the
GDAL_WMTS driver in GDAL 2.1. Just using the gdal_translate command to
generate a working sample XML file for debugging the C++ code.
Are there any GDAL_WMTS driver XML tag parameters to request a specific Tile
Level
WMTS request is set up in the XML file. That I posted a few days ago in the
message chain.
The data set rasterio call has width=2048, height=1024, bands=4.
The call to rasterio does take some time. Acts like it is trying to get the
data.
But the data comes back black (all zeroes).
I have
Are the GDAL WMS documented examples for the Google and VirtualEarth tile
servers still correct?
Both Google and VirtualEarth documentation say you have to get a key. It
looks like things have changed since the GDAL WMS documentation was written
for Google and VirtualEarth.
Thanks in advance
Question: is there a way to set the TileMatrix value (aka Tile Zoom Level)
for GDAL_WMTS?
WMTS Tile Retrieval issue: WMTS Is retrieving at the wrong TileMatrix
value. WMTS retrieves tiles at the maximum tile matrix (tile level or zoom
level). No data is being returned.
Server:
A few questions based on the GDAL examples for Google, Bing/VirtualEarth and
WMTS tile servers.
1. Google Maps has the tile/image origin in the upper left corner. TMS has
the tile image origin in the lower left corner. Where should the
tile/image origin be for Google maps when using the
Which version of libCurl is recommended for use with GDAL 2.1.2 and the
GDAL_WMTS driver?
We have been using libCurl version 7.45 dated 7-Oct-2016. The newest
version is 7.51 dated 2-Nov-2016. 7.51 contains a very long list of fixes.
The upgrade could be time consuming to rebuild everything.
Is it possible to change the map style on the VirtualEarth in GDAL?
The current example shows the Aerial Map Style:
http://a${server_num}.ortho.tiles.virtualearth.net/tiles/a${quadkey}.jpeg?g=90;
Is it possible to get the other Bing/VirtualEarth map styles like the road
view or road view with
Even,
I tried the daily build from 9-Dec-2016. The new ZoomLevel parameter is
there and the value is extracted. Unfortunately, GDAL is still using the
maximum tile level from the capabilities document.
USGS hasn't responded to my request to fix their capabilities documents.
ESRI's world time
Question: Is it possible to get a TileLevel option added to the new GDAL
WMTS driver?
Reason: WMTS servers at USGS and ESRI are returning XML Capabilities with
TileLevel 18 (Google) or TileLevel 19 (default028mm). The USGS help desk
said that the tile servers are only serving up to Tile
Request: Need an APIKey parameter for the TMS driver for use with
VirtualEarth (Bing) and Google. The requests still work without the API key.
But, according to Google and Bing, the API Key is now required to legally
use their services. The API keys are free from their web sites. For low
I've tried both the "TileLevel" and the "ZoomLevel" parameters both
separately and together. The URL still shows the maximum tile zoom level on
the request.
http://basemap.nationalmap.gov/arcgis/rest/services/USGSShadedReliefOnly/MapServer/WMTS/1.0.0/WMTSCapabilities.xml
Even,
Ah! You are correct. I just loaded the 17-Dec-2016 daily stable branch.
Wrong one.
Thank you for checking the syntax for me. WMTS should be good to go for the
next release of GDAL.
I have 5 other map server types working correctly now.
Thanks for your help!
Elaine
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