[mapguide-users] digitizing features

[Jackie Ng]

Hi there,

The mapguide viewer has built in functionality to perform digitizing. 

- You basically call the DigitizeXXX javascript method on the map frame
(where XXX is Line, Point, LineString, Polygon, Circle, Rectangle. When you
call that Digitize method, you need to pass a callback function that
Digitize will call when it is done. That method has one parameter, the
geometry object.

eg.

<script type="text/javascript">

//start digitizing
function DigitizePoint() {
     parent.parent.mapFrame.DigitizePoint(OnPointDigitized);
}

//callback function
function OnPointDigitized(point) {
     //do something with your digitized point.
}

</script>

- When the callback function is invoked, it's then up to you what you want
to do with that geometry object. 

Have you seen the examples on the sample site (the Digitizing and Redlining
sample) at http://data.mapguide.com/mapguide/devguide/index.php ?

- Jackie


christoph g wrote:
> 
> Hello,
> 
> I´m quite new to MapGuide OS. I hope somebody could help me and give me a
> step by step explanation.
> I made some maps in studio using my local data - quite nice and quite
> simple. But now I want to add a digitizing function for web users. A web
> user shoud be able to draw in the map. But this isn´t integrated in
> studio, so this is not simple. And I need a little support.
> 
> Thanks
> 
> Chris
> 
>  
> 

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