Hi Peepe,

sounds like a nice feature! 1 vector means translation only, or?

With three i guess you need to inlude adjustment calculations as eg QGis does in the georeferencing tool.

 

How about making a little blog post?

 

cheers,

stefan

 

------ Originalnachricht ------
Von: Giuseppe Aruta
Datum: 18.06.2015 11:23
An: OpenJump develop and use;
Betreff:[JPP-Devel] Experimental Raster affine transformation on OpenJUMP

Hi all,
I added to PlugIn Tools-Warp-Affine Transform (from warping vectors) an experimental capability to do an affine transformation on raster images (only loaded via Sextante Raster framework, not single band raster).
This capability uses JAI WarpPerspective.class to perform a buffered Image transformation (see the code inside the class  public static void affineTransformRaster ).
How to use: a) Draw maximum 3 warping vectors b) Select a Sextante raster, c) apply the plugin
The plugin is very experimental: it works fine with 1 or 2 vectors (move, rotate, scale operations), it becomes imprecise if a 3 vector introduces a high shear operation
Best regards
Peppe
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