[OpenLayers-Dev] pgRouting + OpenLayers

[Eric Lemoine]

On 9/27/07, Paul Spencer <pspencer at dmsolutions.ca> wrote:
> Erik,
>
> since we can publicly show it now, I can send it on the list.  The
> site is:
>
> http://sandbox01.dmsolutions.ca/mapmobility/
>
> This has a couple of unique features in how we are using OpenLayers.
> The map tiles are taken directly from TIFF files produced for printed
> maps and cut up using a GDAL shell script into a TMS directory
> structure.  At the two largest resolutions (most zoomed in), the
> printed maps are rotated from true north by varying amounts depending
> on location.  So we use a pixel coordinate system for every
> resolution and 'reproject' real world coordinates into pixel space
> including a potential rotation at some resolutions.  I had to do an
> interesting hack to baseLayer handling to make the transition from
> one rotation to another work nicely, which I would be interested in
> talking to someone about at some point :)  We also 'reproject' all
> the point and route stuff on the fly as the rotation changes - what a
> pain :)

Very nice map Paul!

--
Eric