A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors
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votes
1answer
105 views
How to properly use PostGIS with Maps
First time using PostGIS in an app.
Target:
- Get Heat Map of customers from address table using leaflet.js and heatmap.js
Have DB called store_dev.
Installed OSM Bright from Mapbox in it.
Have a ...
2
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0answers
129 views
Can Nearest Neighbor Analysis help determine values for a Heat Map?
Given the below parameters (from Nearest Neighbor Analysis):
A) Is there a definite range my Radius value should be within?
B) Are there definite values my cell size should be near?
C) Is there a ...
2
votes
0answers
100 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. ...
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0answers
43 views
Heatmap plugin with relatively small area
I'm trying to make a heatmap using points in a relatively small area (about 50km by 50km) and I just get a single red block every time (even after switching the color map to 'pseudocolor'). I've read ...
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vote
0answers
169 views
Looking for .NET Heat Map API / SDK
I have a requirement to add a 'heat map' style layer to a Javascript/jQuery based application that I am working on. So far, I have used heatmap.js with no problems at all.
My only concern with this ...
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48 views
What vector file type yields the greatest detail with the Heat Map plugin?
I'm using .shp files built from .csv files and having quirky results. Perhaps there is a better way to begin.
The heat map appears to be accurately describing the data but calculates a huge area in ...
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0answers
38 views
What Crop tools are available in QGIS to alter a raster .SHP layer
I'm successful in getting heat maps which resolve around my data; however the area of the Heat map raster layer is perhaps 50-100 times the point set perimeter and the cell size is way too large for ...
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0answers
253 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
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0answers
72 views
heatmap with leaflet js API
I am using the heatmap.js plugins for leaflet js API. I am trying to run the follwing code locally but its returning error
Uncaught TypeError: Object [object Object] has no method 'addData'
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