I am trying to use the ArcGIS 2.1 JS API to create a custom interface that looks similar to Google Maps.
I am trying to see if a given pair of (lat,long) will fall within a circular region. The centre of the circle is known (lat,long values) as well as the radius. The approcah I have used is:
Does anyone have a concise and robust implementation of Google\'s Encoded Polyline Algorithm in C#? I essentially want the implementation of this signature:
I am interested on how Zillow.com is able to get the boundaries of a home/lot.I would like to know if this data is open-data and if so, if there w开发者_开发技巧as a way I can hook into it?
I have a million points and a large shape file—8GB—which is too big for to开发者_运维百科 load into memory in R on my system.The shape file is single-layer so a given x, y will hit at most one polyg
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Hope you help me... I\'ve been at this for the past 2 days and have to admit that I\'m stumped. The OS I\'m on is Ubuntu 9.10 Karmic.
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I\'m looking for a good way to create a moving map app on an semi-embedded device, comparable to a netbook. The source images are 400MB tiff files with associated world and projection files.The curren
I am trying to read a binary file and parse the bytes I have the white paper spec on Shapefiles to know how to parse the file, however I cannot seem to find the correct functions in ColdFusion to hand
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