Hi all
I have noticed that files with unioned geometries render MUCH slower
than the original non unioned files.
I wrote a simple method to union geometries of a shapefile containing
streets ( only the geometry of streets with the same name were unioed)
and although the resulting files are much smaller ( 1/2 shp, 1/4 dbf)
than the original ones , they render (pan / zoom etc) at 4 times slower
than original set.
Any ideas?
Is this expected?
Any solutions? :-)
Thanks a bunch
Farid Hamedy
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