Tagged Questions

1
vote
1answer
66 views

How to display relative concentration of point features in ArcMap (heatmap)

Please bear with me here - I'm pretty new to GIS, and I'm having a lot of confusion about all the different terms I've seen thrown around. Here's my problem: I have a large dataset of point ...
2
votes
0answers
92 views

How can I map polygon value distribution?

I'm surveying an area and have a z-value attached to each polygon. In comparison to the area I'm studying the polygons are quite small. What I'm trying to do is show the distribution of this value. ...
0
votes
0answers
242 views

Is there a way of displaying a Heatmap in IE7 when working with Arcgis javascript api?

Trying to find a solution to heat maps on IE7/IE8 (i.e. not using Canvas/HTML5/heatmapapi). Any ideas? cheers Phil
0
votes
1answer
139 views

Is the Heatmap Colorramp uniform across different rasters for ArcGIS?

SO i have about 16 rasters spanning the same extent and containing the same variable. I use the display symbology in ArcGIS to generate a stretched Color Ramp which is the heatmap i want. As the ...
36
votes
4answers
11k views

How to build effective heat-maps?

Using ArcGIS, QuantumGIS, Grass, and/or GVSIG What are some of the tools and processes involved in building effective heat maps? What are the plugins involved? What are the major data requirements? ...