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6
votes
1answer
491 views

Filling a polygon with lines using Postgis

i need to calculate a specific distance in an area. The distance is calculated from parallel lines in a polygon, And i need to find out how many parallel lines (with x meters distance to each other) ...
3
votes
1answer
386 views

Mapserver - Hide Labels

I'm creating a map with some layers, each one has a label, the problem is that, Mapserver is displaying the labels of bottom layers, so it is mixing all the label. Is it possible to hide label that ...
2
votes
1answer
638 views

How does mapscript queryByShape work?

I am trying to return the results of queryByShape call from a (large) raster file given a user specified polygon. For example, when a user plots the following polygon on an openlayers layer as ...