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) ...
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 ...
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 ...