The vrt tag has no wiki summary.
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vote
1answer
53 views
Having problems creating vrt in QGIS from png files
This is similar to a question asked by someone else, re OS tiles, however, there is a difference! I am a bit of a amateur in GIS and python, but if I take it slow I can usually just about work it out!
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0answers
52 views
How I can incorporate results of histogram stretching into georeferenced image?
I have one channel 8 bit raster and when I open it in QGIS with histogram stretching "on the fly" it looks fine. How I can recalculate original raster accordingly changed histogram?
3
votes
1answer
143 views
Python equivalent of gdalbuildvrt
Is there a way to perform the same task as the gdalbuildvrt utility using GDAL Python bindings? So far I have not found any way to do this other than creating a vrt of a single dataset and manually ...
1
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0answers
35 views
Size of output geotiff file not as in the .vrt file
I have the following vrt file (input.vrt) with GCPs in EPSG:3857
<VRTDataset rasterXSize="5409" rasterYSize="5408">
<Metadata />
<Metadata domain="IMAGE_STRUCTURE">
<MDI ...
1
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0answers
68 views
Issues with building a VRT. from OS map tiles in QGIS
I am trying to speed up rendering of OS raster map tiles in QGIS.
The tiles are 1:10k Tiffs - about 130 of them.
When I attempt to build the VRT it says complete, then it shows up an error ...
2
votes
1answer
411 views
GDAL VRT Format - do i understand the concept?
Okay, so im a little fed up with different raster-in-database solutions that I tried over the last 2 weeks which don't work currently (Postgis raster) or cant handle my volume of data (Rasterlite), so ...
0
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0answers
75 views
SAGA grid VRT, file how to apply a LUT?
I've created a heap of saga grid files for some hydro survey work.
I'm looking at a way to read these into a mapguide raster/grid layer, I'm able to load up the grids using a vrt file, I can't figure ...
