I\'m trying to figure out how to go about returning a set of r开发者_如何学Cecords which have coordinates within a polygon.
I have an ascii text file containing location data (column 9-lat and 10-long) and intensity(column 20)
I would like to open raster files (in ASCII or TIFF format), aggregate their cells and after this operation count correlation between values in this new raster file and another one. Unfortunately I do
I am trying to import a list of all parks in the world and data about them.I need the following information:
We have a web-based application with a mapping component (ASP.NET/SQL Server 2005, Google Maps API). The mapping component is evolving - it started out as a simple, nice-to-have feature and is gradual
How do you convert a bing maps quad key, such as \"03200320023\" to coordinates in mercator virtual earth (epsg 3857) coordinate system?
I am currently in the process of developing a program and not sure where to go from here... I am using Visual C# and the DotSpatial frawework in order to do the GIS/GPS side of things but am unsure o
I have a problem with my MapWinGIS.ocx file on Windows 7. I try to register this control in two ways: Using regsvr32 (from system32 directory and from SysWOW64 directory), but I get error message l
I have a difficult architectural and web problem.I am trying to make a page about hiking for every city in the world for http://www.comehike.com
I\'m looking for a GIS/Geometric algorithm: I have 1000 points randomly distributed in a large area(such as a city), How can I find out all the small ar开发者_C百科eas which have more than 15 points?
加载中,请稍侯......