JavaScript code and HTML page to create comet-like visualization.

GRASS GIS module to export raster maps as JavaScript code in format suitable for comet-like visualization.

Generate file columns.js and add it to the same level as index.html.

To include the background image, create a image manually and edit the file styles.css. The size in pixes should be the same as the exported map.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

If you not have received a copy of the GNU General Public License along with this program, see http://www.gnu.org/licenses/.

Copyright (C) 2014 by Vaclav Petras

The web application is based on air.js file from a project to visualize Tokyo wind and air pollutants by Cameron Beccario (https://github.com/cambecc/air, http://air.nullschool.net). See js/original_air_license.txt for the original license.

This project contains code of D3.js library which is released under BSD license. Copyright 2013 Mike Bostock.