QGIS 2.0 does not respect labels' scale-based visibility option when opening projects from previous version

[qgib]

Author Name: Duarte Carreira (@dncpax)
Original Redmine Issue: 8052
Affected QGIS version: master
Redmine category:project_loading/saving
Assignee: Larry Shaffer

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The min/max scales are set but disabled because the checkbox is turned off.

It is a migration issue of old projects. Even 1.9 projects from before the vector-branch merge are affected.

[qgib]

Author Name: Larry Shaffer (Larry Shaffer)

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Hi Duarte,

This is a known effect after recent changes to new labeling to support expressions ("mailing list posts":http://osgeo-org.1560.x6.nabble.com/Labeling-gui-redesign-branch-ready-td5054196.html).

It should function correctly when opening a valid QGIS 1.8 project, i.e. the Scale visibility checkbox should be checked and data defined values should work if either are set as before. However, I noticed that I missed adding that support and will do so shortly.

The support for migrating existing 1.9 projects to 2.0 will probably not be added (see Tim's comment in noted mailing list thread). This is also because it requires extraneous code to support the 1.9->2.0 update than just the 1.8->2.0 update. This was the case when updating the Buffer settings, but with Scale visibility I may be able to support 1.9->2.0 updating if it is simple and non-extraneous to do so.

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• priority_id was changed from Normal to High
• subject was changed from qgis 2.0 does not respect labels' scale-based visibility option when opening existing 1.9 projects to QGIS 2.0 does not respect labels' scale-based visibility option when opening projects from previous version
• assigned_to_id was configured as Larry Shaffer

[qgib]

Author Name: Duarte Carreira (@dncpax)

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Hi Larry.

I wasn't aware of issues going from 1.9 to 2.0. I assumed that they were the same version and 2.0 was a completed 1.9...

I'll wait for 2.0 and evaluate the needed effort... and cross my fingers only small adjustments are needed.

Thanks for your work on this!

[qgib]

Author Name: Larry Shaffer (Larry Shaffer)

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Should be fixed with commit d547b25

Please test. That commit also fixes another unreported bug where scales closer than 1:1, e.g. 5:1, could not be set.

New usage info from tool tip:
Value < 0 represents a scale closer than 1:1, e.g. -10 = 10:1.
Value of 0 toggles off specific limit.

[qgib]

Author Name: Paolo Cavallini (@pcav)

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

[qgib]

Author Name: Giovanni Manghi (@gioman)

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closing for lack of feedback, should be fixed.

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