Raster disappears when bands change

[qgib]

Author Name: Maxim Dubinin (@simgislab)
Original Redmine Issue: 6187
Affected QGIS version: master
Redmine category:rasters

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1. Add http://gis-lab.info/forum/download/file.php?id=4783 --> All fine

2. Go to raster properties, switch any band to another one. --> Raster turns into solid color rectangle and it is impossible to restore its visibility, even by going back to previous band combination.

Tried on 4 different machines with Win7, 64bit, 32bit, revs. 829f672, ad6c964

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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Seems your raster is buggy. With any another multiband file all works

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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This raster works after decomposing to separate bands and then merging them into single file.

[qgib]

Author Name: Maxim Dubinin (@simgislab)

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How can a raster be buggy? ;)

Yes, it seems that the problem is in how QGIS handles rasters that are not georeferenced, but do have some GCPs (see attached example).

I believe QGIS should work correctly with those as well. This raster was obtained from distributor of remote sensing data. I think it is common. If you do gdalwarp before opening it will work fine.

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• category_id was configured as Rasters

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• fixed_version_id was changed from Version 2.0.0 to Future Release - Lower Priority

[qgib]

Author Name: Médéric RIBREUX (Médéric RIBREUX)

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Hello, bug triage...

I can't reproduce this bug on QGIS 2.13 master (should be the same with QGIS 2.12.1).

Can you confirm ?

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• status_id was changed from Open to Feedback

[qgib]

Author Name: Giovanni Manghi (@gioman)

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closing as it seems fixed and for the lack of feedback, please reopen if necessary.

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• resolution was changed from to fixed/implemented
• status_id was changed from Feedback to Closed