Hi,
 
I am thinking about how to sort out the features that has been edited so they 
could be passed on to a further process.  I found that in OpenJUMP I can almost 
do what I want with Analysis-Queries-Spatial query tool. I worked this way:
- I opened the layer I would like to edit (let's think that I am not allowed to 
edit it)
- I made a copy of the layer
- I edited features on this copied layer
- I made a spatial query "features on new layer equals features on original 
layer"
 
So I was able to find the features which were not edited.  But what I actually 
want is to find the edited features.  Is there a reverse function "is not 
equal" somewhere, or some switch to reverse the selection?  If not, I would 
like to suggest this as a new feature.  A possibility to reverse ANY query 
would be useful sometimes and maybe not extremely hard to implement, or what do 
others think?
 
Regards,
 
-Jukka Rahkonen-

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