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Tagged with ntv2-transformation qgis
8 questions
3
votes
2
answers
359
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Using NTv2 gridfiles in QGIS >= 3.22.x LTR with proj 9.x
This question is a follow-up to QGIS transformation defined in srs.db tbl_datum_transform table not available in Select Datum Transformations dialog
Basically it is all about making an NTv2 gridfile (*...
- 14.9k
2
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1
answer
640
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QGIS 3.24.1 - Problem Plugin NTv2 Datum Transformations - A failure in the SSL library occurred (_ssl.c:1129)
I'm trying to use the NTV2 Datum Transformations Plugin, but I'm not able to process it without errors (I'm using Win10). I am trying to use the transformation "[AT] Direct and inverse Vector ...
- 21
3
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0
answers
504
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Using grid file transformation (.gsb) in QGIS 3.16.14
In QGIS 3.16.14-Hannover。
I want to add new grid raster files 'Beta2007_Re.gsb' (EPSG:31466 to EPSG:25832) in QGIS. I used the following way in QGIS 3.16.14, which i have used in QGIS 3.10.5:
Put '...
- 89
0
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0
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NAD83 NTv2 Transformation in QGIS
I am located in Canada and use a lot of historical data which is in NAD83 original. NAD83 original was found to be flawed, and in Canada was updated to NAD83(CSRS). I find QGIS projects CSRS quite ...
- 31
2
votes
0
answers
321
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Adding custom on the fly transformation in QGIS
I'm using QGIS version 3.20.0. I need to transform EPSG:4326 into EPSG:31468 on the fly, using the equivalent of ArcGIS's "DHDN To WGS 1984 4 NTv2", i.e. with a NTv2 grid.
I've tested the ...
- 985
1
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0
answers
241
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QGIS doesn't recognize BETA2007.gsb for Transformation from GK3 to UTM
I want to transform data from GK3 (EPSG:31467) to UTM(EPSG:25832) unsing the transformation grid BETA2007.gsb. BETA2007.gsb is already in the C:\Program Files\QGIS 3.10\share\proj directory.
I ...
- 2,691
5
votes
1
answer
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Integrating NTv2_SN.gsb grid in QGIS
I want to integrate the NTv2_SN.gsb grid in QGIS. I have a dataset in CRS EPSG:31469 and want to transform into CRS EPSG:25833. Therefore I want to integrate the NTv2_SN.gsb into QGIS. But I have some ...
- 427
9
votes
2
answers
6k
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Using grid files (*.gsb) in QGIS
When opening a data source in EPSG:25832 in a project with crs set to EPSG:31468 I am prompted to select a datum transformation (e.g. +nadgrids=BETA2007.gsb)
The nationwide standardized grid file for ...
- 14.9k