Hi, I tried to make a list of Sextante vector tools which do not have an equivalent pair in OpenJUMP. Most of them are made for such analysis or statistics which do not belong to the core of OpenJUMP and it would probably make no sense to rewrite them into OpenJUMP. We should just test that they really work and improve the documentation about how to use the Sextante tools from OpenJUMP. Maybe we could even put them into an own group in the Sextante menu because now they are scattered into point, line, polygon, and vector tool categories. Some "OpenJUMP favorites" group at the top of the menu might be good for the users.
I think that a few of the Sextante tools could also have a native OpenJUMP tool to be included in the core and I have marked some candidates with "+OJ?". Some of them we may already have, like "resolve polygon holes" vs. difference, but it is still worth comparing the implementations. Check line direction coherence (+OJ?) Directional mean Fill elevation values Geometric properties of lines Join adjacent lines (+OJ?) Smooth lines (+OJ?) Constrained Delaunay triangulation Distance to closest geometry Mean center and standard distance Median center Nearest neighbor analysis Perturbate points layer Quadrant analysis Ripley K Snap points to layer (+OJ?) Spatial autocorrelation Spatial cluster Adjust n point to polygon (+OJ?) Geometric properties of polygons Medial axis Resolve polygon holes (+OJ?) Clean vector layer Correlation between fields Create equivalent numerical class Distances and angles Filter vector layer Histogram Minimum enclosing shapes Normality test Spatial Join (nearest neighbour) -Jukka Rahkonen-
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