Opened 13 years ago
#3828 new enhancement
dissolve tool very inefficient (with large datasets?)
| Reported by: | lutra | Owned by: | cfarmer |
|---|---|---|---|
| Priority: | major: does not work as expected | Milestone: | Version 1.7.0 |
| Component: | Python plugins and bindings | Version: | Trunk |
| Keywords: | Cc: | ||
| Must Fix for Release: | No | Platform: | All |
| Platform Version: | Awaiting user input: | no |
Description
Download the following shape (175MB)
http://www.igeo.pt/gdr/Downloads/ProdutosCLC/CLC06_PT.zip
and try dissolving using one of the fields, for example CODE_06. The tool will take hours (in my core2duo pc) to reach the 50%.
GRASS take under a minute to complete the operation. One/two minutes it is also the required time to complete the same operation with gvSIG.
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