Hello Ad,
As already mentioned by
@sujit thakur we have warp tool for this purpose. You'll need to have MapInfo Advanced License for it to work.
If your purpose is just to rotate the Rasters then you can open the tool and select "Affine User Defined Transforms" from the drop-down. This will give you option to Translate, Shear, Scale, Rotate and translate the Map to World X and Y co-ordinates.
Warp tool accepts Rotation values in Radian and rotation happens in anticlockwise direction. So if you want to rotate your image 90 degrees left then value in Radian will be ~1.5708, for 180 degrees ~3.14159.
The above parameters should work since your data is not georeferenced. But in case you wish to rotate georeferenced data then the above parameters will change.
You can also explore additional parameters available in Affine User Defined Transforms to get the desired output.
In case your data is in JPG or PNG formats then you will have to enable those drivers from Backstage->Options->Raster Preferences->Raster Formats->Raster Imagery (.png;.jpg). We generally keep it disabled due to some known performance issues. So we would advise to disable these drivers when not needed.
Hope this helps.
Please let us know if you need additional information on the same.
Thanks
Anshul
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Anshul Goel
Knowledge Community Shared Account
Shelton CT
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Original Message:
Sent: 12-11-2020 15:28
From: Ad VanOoststroom
Subject: Rotate raster files
Greetings from Holland,
I reconstruct historical maps starting with the Dutch cadastral maps from 1832
These maps need to be rotated before they can be georeferenced, so the north arrow is up.
For many years I used Microsoft Office Picture Manager (MOPM) to do that
Something changed in MOPM and now after rotation it wil not save, instead I get a blanc page.
Reducing the size of these maps is no solution as I need be able to read the cadastral numbers on these maps.
It would be terrific if this functionality would be part of 2019.4, or is there another way to do that?
Thanks in advance
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Ad van Ooststroom
Bergen Op Zoom (Nld)
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