In your experience, how many point features can be added to an OpenLayers vector layer (new OpenLayers.Layer.Vector("Point Layer")) before it goes unusably slow? My use case is to display points from ...
I have drawn a map with some coordinate(longitude and latitude). What are good points that a map should have eg labels, legend, etc. Edit: The map if for the purpose of locating different objects ...
This is the result of mapping the straight line path from a point in US to Poland using Distance Measurement Tool. Also, planes from Asia to US would travel almost over North Pole. Why is the path ...
I've got a composite image built up from Red Green and Blue composite colours. Each channel represents the differing concentration of a different variable in each location - with 0 being the lowest ...
Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ...
I have about 20 layers that I'd like to put on a Google maps API. I assume I'll need some form of a tile cache server and perhaps under mapserver or geoserver. These layers amount to about 400mb so ...
Apologies if this question doesn't fit the rules here. I am digitising a large amount of remote footways and I will be panning, zooming a lot and I've done 2 days on this so far and always get quite ...
I am looking to create a map that shows the commuting patterns in between counties. I am using data from Table 1 at this link. Obviously it will be formatted in a different way. Any ideas? Also, ...
As part of an internal "learn at work month" program, myself and a colleague have volunteered to do a presentation: "The Wonderful World of Web Maps". To this end, we're now looking for examples of ...
GIS users mix spatial data layers from an early age of GI science. What is new in the concept of "mashup"? Is it something really new, or only a trendy word?
I am looking for existing solutions (softwares, libraries, methods, etc.) to automate the generalisation/simplification of geographical data as presented there, and also there. How do you proceed ...
I can currently only think of two cases: to visualise potential changes in a landscape, such as the effect of adding windfarms, or the addition of a new building to an urban area. However both these ...
I would like to plot the following per zone (30 zones total) data on a printable/non interactive map: Average age Average household income Number of households Population density Number of people ...