On Tue, May 31, 2011 at 6:01 PM, Tyron Madlener <tyronx(a)gmail.com> wrote:
On Tue, May 31, 2011 at 12:39 PM, Madhura
Jayaratne
<madhura.cj(a)gmail.com> wrote:
Hi all,
I have pushed into my repo, the code for visualizing GIS data. I used
SVG
for this purpose and i'm writing the SVG tags
accordingly. This allows
the
users without JS support also to view the
visualizing oppose to using
jQuery
SVG to generate SVGs. Further it allows the SVGs
to be saved, which is
one
of the upcoming features. However I use jQuery
SVG to manipulate the
SVGs
(zoom and pan), so the users with JS support gets
a better user
experience.
I have also integrated two small libraries
[1],[2] to allow panning the
SVG
on dragging and zooming on mouse wheel movement.
These are not strictly
needed but nice to have ones.
One problem of SVG is the IE versions <=8 does not support is. I am
using
the GD library to generate a PNG image for them
and this is in line with
saving those visualization to various formats.
You can test this out at my demo server[3] using the data in the opengis
table. Please be kind enough to share your comments.
2 things I noticed:
- When zooming it doesn't zoom relative to the cursor position
Yes, I think this should be addressed. I'm looking into it.