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Custome Vertical CRS#884

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harminius wants to merge 8 commits intomasterfrom
prototype/filtering-setup
Open

Custome Vertical CRS#884
harminius wants to merge 8 commits intomasterfrom
prototype/filtering-setup

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@harminius
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@harminius harminius commented Feb 27, 2026

Resolves #854

PROJ definitions is kind of a wild jungle without unified standards, so apart of standard QGIS API, regex fallbacks must be applied.

Could be closed #841

TODO:

  • docs link

Didn't find the transformation that needs more grids to be downloaded but not a big deal probably (it's ready).

Disabled vCRS
Screenshot from 2026-02-27 23-54-42

Warning message for missing grid
Screenshot from 2026-02-27 23-54-54

Alternatively, failed to find a grid
image

Download in (background) process
Screenshot from 2026-02-27 23-55-13

Download success
Screenshot from 2026-02-27 23-55-29

Validation warning with autofix
Screenshot from 2026-02-27 23-54-11

@tomasMizera
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In general, this looks great! Together with @alex-cit, we found an edge case that might need handling. We expected it to be enough to find the grid file of the first transformation. However, when setting up Slovak Baltic heights, the same grid is used for SK and CZ - it's the transformation that defines which one we need. Because of that, we should check the defined project transformations and detect whether any grid is needed. Happy to chat about this on a call.

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Add support for specific vertical CRS definition

3 participants