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Download: Project Map
 
Uploaded by:  txc...@gmail.com
Released: Apr 08, 2013
Uploaded:  Apr 8, 2013
Downloads: 47



File:
Download  projection_map.zip   141 KB
Description:
This is a extendable library for drawing sky projection maps in HTML5 canvas and Javascript. It allows translation/rotation/zoom of the map, can draw frames on the map and display the location of selected frames. This is useful for projects in fields such as astronomy and GIS. 

In the code repository, hammer.js, map.js and map.ie.js in the javascript folder are the projection-map library files. Demo.html, demo2.html and demo.php demonstrates how to use them. Two third party libraries are used: 1) The javascript/excanvas folder contains the excanvas library that provides support for IE8.0 or below, 2) The javascript/slider folder contains the library that provides slider control on the projection map interface. 

To add new projections, add the coordinate transformation functions to javascript/hammer.js, then follow the demo page to modify html.
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