[OpenLayers-Dev] Question: Vector layer with draw & modify feature

[Alexandre Dube]

Hi Moiz,

   The constructor of the control only takes 2 parameters [1] and you 
give it 3.  This might be why it doesn't work.

Regards,

Alexandre


[1] 
http://dev.openlayers.org/releases/OpenLayers-2.10/doc/apidocs/files/OpenLayers/Control/ModifyFeature-js.html#OpenLayers.Control.ModifyFeature.OpenLayers.Control.ModifyFeature

On 10-09-15 05:32 AM, Moiz Bhukhiya wrote:
> Hi,
>
> I am using vector (polygon) layer with draw feature and modify 
> feature. Let me explain first what I am trying to achieve. I want to 
> draw rectangles(strict horizontally aligned) and after drawing it 
> might require a little bit of modification but again it shouldn't lose 
> its shape.
>
> Here is what I tried doing:
>
> polygonLayer = new OpenLayers.Layer.Vector("Capture Region", 
> {displayInLayerSwitcher: true, reproject: true});
>         polyOptions = {sides: 4, snapAngle: 180, irregular: true}; 
> //To draw only rectangles
>         var pan = new OpenLayers.Control.Navigation({title: "Navigate"})
>         polygonControl = new 
> OpenLayers.Control.DrawFeature(polygonLayer, 
> OpenLayers.Handler.RegularPolygon,
>             {handlerOptions: polyOptions});
>         modify = new OpenLayers.Control.ModifyFeature(
>                 polygonLayer, {displayClass: "olControlModifyFeature", 
> title: "Modify Features"},
>                 {mode: ~OpenLayers.Control.ModifyFeature.RESHAPE | 
> OpenLayers.Control.ModifyFeature.RESIZE
>                 | OpenLayers.Control.ModifyFeature.DRAG }
>             );
>         var panel = new OpenLayers.Control.Panel({
>              displayClass: "olControlEditingToolbar"
>         });
>         panel.addControls([pan, polygonControl, modify]);
>         map.addControl(panel);
>
> The problem is it doesn't follow the modify feature modes I have 
> defined. It allows reshaping and doesn't allow dragging and resizing. 
> Another problem I have is when I define the displayClass for draw 
> feature, it wouldn't let me draw rectangles that are horizontally 
> aligned. To point your attention towards where I might be making a 
> mistake, I am using OpenLayers.Handler.RegularPolygon to draw feature. 
> Is that a problem?
>
> Thanks a lot for taking time to read my problem and I'd really 
> appreciate if you could help me with any suggestions and ideas.
>
> Thanks!
> Moiz
>
>
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>    


-- 
Alexandre Dubé
Mapgears
www.mapgears.com

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