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8
votes
5answers
5k views

How to remove only donut holes from polygons using ArcGIS Desktop?

I am using ArcGIS Desktop 10.0. I have a trick for removing the donut holes, which is converting the polygon to line and then creating polygon out of the lines and in the end merging all of them. ...
11
votes
4answers
2k views

How to colour polygons with a completely transparent fill using MapServer?

Is it possible to fill polygons so that they are completely transparent in MapServer? I want to have a black background that is slightly opaque, and wherever there is a polygon I want that to be ...
3
votes
3answers
658 views

Black/white hatching pattern fills in QGis

I am looking to replicate black & white maps in QGis, using hatching patterns and greyscales to indicate different categories of a continuous variable (example below). It is ...
1
vote
3answers
3k 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 ...