Alexandre,
thanks again for your valuable help!
At the moment the best idea would be to have vector points as markers, which
would make them both clickable and perfect for what I need to do.
I have added this info to the vector layer:
vectors = new OpenLayers.Layer.Vector('Vectors', {
styleMap: new OpenLayers.StyleMap({
externalGraphic: "images/markers/marker-gold.png",
pointRadius: 10
})
});
And the point appears correctly with the marker icon. But I have run into 2
problems now:
1) All my polygons and lines appear black or invisible
2) I would like to use more than one image for the markers
My controls looks like this:
controls = {
point: new OpenLayers.Control.DrawFeature(vectors,
OpenLayers.Handler.Point),
line: new OpenLayers.Control.DrawFeature(vectors,
OpenLayers.Handler.Path),
polygon: new OpenLayers.Control.DrawFeature(vectors,
OpenLayers.Handler.Polygon),
drag: new OpenLayers.Control.DragFeature(vectors),
select: selectControl
};
Is there a way to maybe pass the external image specifically to the "point"
control?
I am unsure about the syntax and I wasn't able to find any info around,
maybe something like this:
point: new OpenLayers.Control.DrawFeature(vectors,
OpenLayers.Handler.Point, {style: blah blah}),
If it's possible, then that solves my 2nd problem as well for different
images.
Thanks in advance!
Best regards,
Alex
On Thu, Feb 4, 2010 at 8:26 PM, Alexandre Dube <[email protected]> wrote:
> Alex,
>
> Take a look at this example [1]. Vector features can be used with a
> SelectFeature control to open popups. You only need to define the
> externalGraphic to have images and define the geometry type to "point". See
> an other example of "draw" types.
>
> You might be interested to take a look at this example [3] too (it's a
> development sandbox for a RedLining widget in GeoExt). It uses a lot of
> OpenLayers components to draw/select the features. Maybe that can helps
> too.
>
> Kind regards,
>
> Alexandre
>
> [1] http://openlayers.org/dev/examples/select-feature-openpopup.html
> [2] http://openlayers.org/dev/examples/draw-feature.html
> [3]
> http://dev.geoext.org/sandbox/redlining/ux/FeatureEditing/examples/ControlerOnlyExample.html
>
>
> Alex G. wrote:
>
>> Alexandre,
>>
>> thanks for your thoughts. Although if I understand what you're saying and
>> the example correctly, this will not make the markers to pop up with bubbles
>> where I can put text.
>>
>> I am currently placing markers with text on them where if you click on the
>> marker a little bubble will appear.
>>
>> Here's another snippet that I forgot to include:
>>
>> var click = new OpenLayers.Control.Click();
>> map.addControl(click);
>> click.activate();
>> var new2 = new OpenLayers.Layer.Text( 'Texts', { layerToUse:
>> markers, newLat: '4188741.7304207', newLon: '217101.58694106', newTitle:
>> "Title1", newDesc: "Desc1", idUser : '62', userName: 'admin', newIcon:
>> 'images/markers/marker.png'} );
>> new2.parseData();
>> var new3 = new OpenLayers.Layer.Text( 'Texts', { layerToUse:
>> markers, newLat: '4182021.7304207', newLon: '210801.58694106', newTitle:
>> "Title2", newDesc: "Desc2", idUser : '62', userName: 'admin', newIcon:
>> 'images/markers/marker-blue.png'} );
>> new3.parseData();
>> var new4 = new OpenLayers.Layer.Text( 'Texts', { layerToUse:
>> markers, newLat: '4179441.7304207', newLon: '219681.58694106', newTitle:
>> "Title3", newDesc: "Desc3", idUser : '62', userName: 'admin', newIcon:
>> 'images/markers/marker.png'} );
>> new4.parseData();
>> I am not quite sure what that click function does, could it be the
>> culprit?
>>
>> I have used this example as a base:
>> http://dev.openlayers.org/releases/OpenLayers-2.8/examples/markers.html
>> The thing is I use a form also to create new bubbles where users can enter
>> a title, marker icon and description and get a result similar to the above.
>>
>> Thanks again,
>>
>> Alex
>>
>> On Thu, Feb 4, 2010 at 3:34 PM, Alexandre Dube <[email protected]<mailto:
>> [email protected]>> wrote:
>>
>> Alex,
>>
>> I just looked at the SelectFeature control code and I think you
>> could try this solution :
>>
>> Change you Marker layer for a Vector one (you can define
>> externalGraphic to a vector feature, see an example [1]) and then
>> configure your SelectFeature control with both your layers :
>>
>> var select = new OpenLayers.Control.SelectFeature([vectors,
>> markers], options);
>>
>> The SelectFeature control will create a RootContainer layer
>> object enabling selection on both at the same time, thus fixing
>> your issue. Please, tell me if that worked.
>>
>> Hope this helps,
>>
>> Alexandre
>>
>> [1] http://openlayers.org/dev/examples/styles-unique.html
>>
>>
>> Alex G. wrote:
>>
>> Hi all,
>>
>> I am probably having a conflict problem with some of my
>> layers. I currently have 3 layers active on my installation:
>> - a layer containing the data from a shapefile (running WMS)
>> - a vector layer where users can draw
>> - a layer dedicated to markers.
>>
>> I have noticed that if I place a marker, I cannot interact
>> with it afterwards unless I hide the vectors layer. The order
>> is correct, I load first the shp layer, then the vector one
>> and then the markers one.
>>
>> I include here some of my code in hope that it will help, it's
>> mostly from examples on openlayers so there's really nothing new.
>>
>> map = new OpenLayers.Map('map',{maxExtent: new
>>
>>
>> OpenLayers.Bounds(195441.084706006,4171163.51662705,240142.089176109,4203199.94421431),
>> maxResolution: 120, units: 'dd'});
>> layer = new OpenLayers.Layer.WMS( 'Landmass ',
>> '
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> >
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> >>',
>>
>> {
>> layers: 'zak',
>> format:'PNG',
>> bbox:
>>
>> '195441.084706006,4171163.51662705,240142.089176109,4203199.94421431',
>> srs: 'EPSG:4326'
>> });
>> lakegr_wms = new OpenLayers.Layer.WMS( 'Lakes',
>> '
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> >
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> <
>> http://localhost:8585/cgi-bin/mapserv?map=/opt/fgs/apps/gmap-demo-cvs_MS_VERSION_54/htdocs/gmap75a.map&;
>> >>',
>>
>>
>> {
>> layers: 'sedi',
>> transparent: 'true',
>> format: 'image/png'
>> },
>> {isBaseLayer: false}
>> );
>> vectors = new OpenLayers.Layer.Vector( 'Editable' );
>> vectors.onFeatureInsert=function(feature) {
>> var wkt=wktwriter.write(feature);
>> console.log(wkt);
>> }
>> map.addLayer(layer);
>> map.addLayers([lakegr_wms,vectors]);
>> map.addControl(new OpenLayers.Control.LayerSwitcher());
>> controls = {
>> point: new
>> OpenLayers.Control.DrawFeature(vectors,
>> OpenLayers.Handler.Point),
>> line: new
>> OpenLayers.Control.DrawFeature(vectors,
>> OpenLayers.Handler.Path),
>> polygon: new
>> OpenLayers.Control.DrawFeature(vectors,
>> OpenLayers.Handler.Polygon),
>> drag: new
>> OpenLayers.Control.DragFeature(vectors)
>> };
>>
>> for(var key in controls) {
>> map.addControl(controls[key]);
>> }
>>
>> map.zoomTo(1);
>> var options = {
>> hover: true,
>> highlightOnly: true
>> };
>> var select = new
>> OpenLayers.Control.SelectFeature(vectors, options);
>> selectCtrl = new
>> OpenLayers.Control.SelectFeature(vectors,
>> {
>> clickout: true,
>> onSelect: serialize
>> }
>> );
>> map.addControl(select);
>> map.addControl(selectCtrl);
>> select.activate();
>> selectCtrl.activate();
>> *
>> * Inherits from:
>>
>> var markers = new OpenLayers.Layer.Markers(
>> 'Markers' );
>> map.addLayer(markers);
>>
>> Rest of the code is taken from the markers example on OpenLayers.
>>
>> Can anyone think of any reason why they would conflict? I am
>> thinking it has something to do with clicks and some of the
>> controls I use might be conflicting although I can't see any
>> Javascript errors.
>>
>> Thanks in advance.
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Dev mailing list
>> [email protected] <mailto:[email protected]>
>>
>> http://openlayers.org/mailman/listinfo/dev
>>
>>
>>
>> -- Alexandre Dubé
>> Mapgears
>> www.mapgears.com <http://www.mapgears.com>
>>
>>
>>
>
> --
> Alexandre Dubé
> Mapgears
> www.mapgears.com
>
>
_______________________________________________
Dev mailing list
[email protected]
http://openlayers.org/mailman/listinfo/dev
