[OpenLayers-Dev] Question in regards to drawing features and image layer

[Christopher Schmidt]

On Mon, Aug 18, 2008 at 10:15:37PM +1000, Darko Radiceski wrote:
> Greetings all,
> 
> I finaly managed to get my head around how to make the open layers image
> layer works with a dynamic image producer.
> 
> If someone needs help a hand with that please let us know.
> 
> The purpose of my email is to ask for some help in regards to drawing
> features on top of the image layer and picking up the x and y values.
> 
> For example i would like to be able to draw a lines and polygons and also
> pick up the end points of them once the drawing is completed.
> 
> Does anyone have any examples of how i could achieve that?
> 
> There are few examples for drawing features but none of them feature picking
> the x and y values from the end points of the line or the polygon?

http://crschmidt.net/mapping/vectors.html

> Also one more question that has got me worried. Is it possible to create a
> feature drawing tool that forces the line to be able to be drawn
> only verticaly?

There is no current capability like this in OpenLayers, but it wouldn't
be impossible to add. You'd probably need to get down and dirty in the
code.

Regards,
-- 
Christopher Schmidt
MetaCarta