Geographic Information Systems Asked by Coffeecake on April 30, 2021
I am trying to add a custom crs in QGIS for GDA2020 using grid file GDA94_GDA2020_conformal.gsb. My parameter is
proj=utm +zone=51 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +nadgrids=GDA94_GDA2020_conformal.gsb
My test point is
North: -21.7403935833333
East: 121.197650527778
When I press "Calculate", it just says "Error" in the result box. I checked and the file is there in C:OSGeo4W64shareproj
Is there anyway to know what the error is?
Have you downloaded the ICSM .gsb grid files: https://github.com/icsm-au/transformation_grids
Save these in the qgis/share/proj folder
I've found some issues with Realtime transformations with multiple web-based sources in different CRS in a single map. If I save and quit it's usually resolved once I return.
Answered by woodwa on April 30, 2021
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