[OpenLayers-Dev] snapping

Ivan Grcic igrcic at gmail.com
Fri Jan 9 04:55:20 EST 2009

Excellent work guys! It really works very nice!

But it always can get better :) my first questions were:
1) hmmm can it snap to coordinate grid? (for en example 1mx1m if its in meters)
2) hmmm can it snap to features intersections?

But I guess you also have these and many others improvments in ur head
for future versions ;)
Tnx again!

On Fri, Jan 9, 2009 at 7:07 AM, Roald de Wit <roald.dewit at lisasoft.com> wrote:
> Hi Tim, Jachym and fredj,
> This is great work!
> I think I mentioned it somewhere before: for me OpenLayers has by far
> the most intuitive interface for editing features (compared to the OS
> desktop alternatives that I tried). Snapping only makes it better!
> Cheers, Roald
> On Fri, 2009-01-09 at 10:00 +1030, Tim Schaub wrote:
>> Hey-
>> I done some work to create a snapping agent for vector editing [1].
>> This extends (in spirit) the work started by jachym and continued by
>> fredj [2].  The snapping agent is implemented as a single control that
>> listens for vector layer events.
>> This included a number of enhancements to the geometry classes and
>> sketch handlers.  One particularly nice addition (in my opinion) is
>> geometry.distanceTo for all geometry types.  I'll tease out this change
>> and others to create specific tickets.
>> If others are interested in snapping, see the wiki page for more details
>> [3].  Add any comments if there are additional bits of functionality
>> that should be considered.
>> Tim
>> [1] http://dev.openlayers.org/sandbox/topp/editing/examples/snapping.html
>> [2] http://trac.openlayers.org/ticket/954
>> [3] http://trac.openlayers.org/wiki/Proposal/Snapping
> --
> Roald de Wit
> Software Engineer
> roald.dewit at lisasoft.com
> Commercial Support for Open Source GIS Software
> http://lisasoft.com/LISAsoft/SupportedProducts/
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Ivan Grcic

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