1
vote
1answer
37 views

Unable to select FLOAT precision when adding column

I'm trying to do the lessons in the training-manual at qgis.org. I,m having some problems with 3.3 Ratio Classification ...
0
votes
1answer
72 views

How can I change the precision in the attribute table?

I'm working with qgis, v. 2.0.1. I opened a csv-table (from an excel-file) and now the precision is very high but i don't need this. At the moment the values are for example 15.00000000000000, how ...
2
votes
0answers
127 views

Spatial Precision for Editing in Multiple GIS Clients

I have something I'd like to discuss, I'll try to explain it first, why it's important, and I'll explain how ArcGIS handles the issue, which I think is a good way to handle it. Finally I'd like to ...
1
vote
3answers
2k views

How to auto fill or delete sliver polygons without losing precision?

I am developing some boundaries in which precision holds the key value. Using ArcGIS 9.3 I am converting lines to polygons using the "feature to polygon" tool. The lines are accurate but I find ...