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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | [gislist] "summarize by" question |
| Date: |
04/26/2005 11:05:02 AM |
| From: |
Julia Reisemann |
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I have a question regarding the Summarize by in ArcView. I noticed that
a summarize by on a shapefile gives me higher numbers than summarizing
the same data as a grid (can be a much as 5%). The file is a parcel
file, the grid to summarize on has 30m gridcells. Does anybody know,
why ArcView does this? I assume there is a difference in the algorithm
or the problem of having a shapely parcel file in contrast to a straight
forward grid. Would be great, if anybody really knows what is going on.
Thanks,
Julia
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