I have a table containing geographic data and I want to group rows on the proximity of the X and Y coordin开发者_如何学JAVAates. So, given an offset, n, and a table with columns X and Y, I want to gro
I need to plot geo locations (lat, lon) on svg maps just like it\'s done in this demo: http://people.opera.com/danield/svg/where-am-i.svg
I will be using MySQL with spatial index for a database, then i will query for 5 nearest neighbors from a given point(lat/long), these points will be interest points in Dominican Republic. Once that i
Closed. This que开发者_StackOverflow中文版stion does not meet Stack Overflow guidelines. It is not currently accepting answers.
This is the lat/long for Philadelphia: http://www.rcn.montana.edu/resources/tools/coordinates.aspx?nav=11&c=DD&md=24&mdt=Internationa开发者_开发问答l(1924)-Hayford(1909)&lat=39.947648&
This question already has answers here: Closed 11 years ago. Possible Duplicate: How do you calculate the a开发者_如何学Cverage of a set of angles?
Context: I\'m a just-hours-old newbie at OpenLayers, please be gentle. Fundamentally, I have a map with some drawn objects on it.If I understand things correctly, I have a number of OpenLayer.Feature
First word of warning, I believe this is a stackoverflow rather than programmers question, Mods feel free to move it if i\'m wrong.
I am using SQL 2008 Geography datatype for a project that deals with mapping out some areas.I need to check to make sure a smaller area is fully within the bounds of a larger area.With the Geometry da
I have one table containing polygons and another containing multilines. For a given multiline, I can get just the intersecting polygons, like so:
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