Chen Chen wrote: > Dear Cameron: > > > On 6/22/07, *Cameron Shorter* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > Chen Chen wrote: > > > > Dear All, > > > > > > > > I am Computer Science major at Tsinghua University, Beijing. > > Currently, I am working on a GIS project based on MapBuilder and > > GeoServer. > > > > > > > > Based on MapBuilder on the browser, I want to draw some shapes over > > the map obtained from WMS. I found svg2vml > > <http://code.google.com/p/svg2vml/> library is very interesting, and > > employed it for my project. > > > Interesting. It would have been nice to use svg2vml when we > originally > wrote the vector renderer. > You might not be aware that our MapPaneOL widget already renders lines > (from WFS or GML) into SVG/VML. > > > Yeah, I see the shipTrack sample. It is great. > > > > > > > > > > > Now I want to "animate" the svg shapes over the map. Could the > showing > > or hiding of svg shapes be set according to time? How can I do it? > > Thank you very much. > > > I'm not sure what you are trying to achieve. > It is possible you would benefit from a timer event which is sent > periodically and can be used to refresh the map. I think tool/Timer.js > does this. Look for examples in the code. > > > The main idea of our project is to let "features" show at right locations > on a 2D map, and animate if they are temporal variables in nature. > For example, I want to show "rainfall" data on the map. Since the data is > associated with measured time. I am trying to show a series of data in a > specific period of time. And suggestions about that? Thank you.
For rainfall data, I'd assume that it would be better to show it as a series of gif images rather than moving vector data? Have a look at the Time Series demo. > > > > > Christopher Hunt was looking at tracking moving vehicles and might > have > some ideas on how to store the moving objects in GML or similar. > (Search > the archieves for threads he participated in). > > > > Thanks for the information. I will contact Christopher. > > Thank you! > > > > > > > > > Regards, > > > > Chen > > > > 2007-6-20 > > > > > ------------------------------------------------------------------------ > > > > > > ------------------------------------------------------------------------- > > This SF.net email is sponsored by DB2 Express > > Download DB2 Express C - the FREE version of DB2 express and take > > control of your XML. No limits. Just data. Click to get it now. > > http://sourceforge.net/powerbar/db2/ > <http://sourceforge.net/powerbar/db2/> > > > ------------------------------------------------------------------------ > > > > > _______________________________________________ > > mapbuilder-devel mailing list > > [email protected] > <mailto:[email protected]> > > https://lists.sourceforge.net/lists/listinfo/mapbuilder-devel > <https://lists.sourceforge.net/lists/listinfo/mapbuilder-devel> > > > > > -- > Cameron Shorter > Systems Architect, http://lisasoft.com.au <http://lisasoft.com.au/> > Tel: +61 (0)2 8570 5050 > Mob: +61 (0)419 142 254 > > > > > -- > Chen Chen, M.S. Candidate > Department of Computer Science, Tsinghua University > > RM.218, BLDG.13, Tsinghua Univ. > Beijing 100084 > P.R.China > > Tel: +86 10 62775641 > Cell: +86 13810348283 > Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ mapbuilder-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mapbuilder-devel
