Hi, thanks for you response. Effects, I show ok a WMS service in WGS84 but
now I like to display it with different srs that you could choose.
Oscar.
2008/6/4 Andreas Hocevar <[EMAIL PROTECTED]>:
> Hi,
>
> Mapbuilder does reprojection when configured properly. Can you please
> describe what you want to achieve (e.g. display a vector layer which
> has features in a different srs)? I'm sure there is a way to do what
> you need without custom code.
>
> Regards,
> Andreas.
>
> On Wed, Jun 4, 2008 at 11:14 AM, pepe pepe <[EMAIL PROTECTED]> wrote:
> > hi all,
> >
> > I am implementing a function for change the SRS but I'm not how to do it.
> > Then explain how I'm developing but I think it is not appropriate:
> >
> > First, with this fuction I'm try to change the SRS, where I manage to
> make
> > the new request of the layers with a new EPSG, but the coordinates system
> > not change.
> >
> > The line "window.parent.config.objects.mainMap.proj = destProj;" is where
> I
> > update the projection map, but I did not make the coordinates passing
> from
> > grade and minute to meters automatically, there is a step that it has
> failed
> > to perform.
> >
> > This is the fuction:
> >
> > function changeView(epsg){
> >
> > // epsg = "EPSG:23029";
> >
> > window.parent.config.objects.mainMap.setSRS(epsg);
> > window.parent.config.objects.mainMap.setParam("srs",epsg);
> >
> > var bbox=window.parent.config.objects.mainMap.getBoundingBox();
> > var ul = new Array(bbox[0],bbox[3]);
> > var lr = new Array(bbox[2],bbox[1]);
> >
> >
> > var ptUL=new Proj4js.Point(ul[0],ul[1]);
> > var ptLR=new Proj4js.Point(lr[0],lr[1]);
> >
> > var proj = window.parent.config.objects.mainMap.proj;
> >
> > Proj4js.defs["EPSG:23029"] = "+title=ED50 / UTM zone 29N
> +proj=utm
> > +zone=29 +ellps=intl +units=m +no_defs ";
> >
> > var destProj = new Proj4js.Proj("EPSG:23029");
> >
> > Proj4js.transform(proj, destProj, ptUL);
> > Proj4js.transform(proj, destProj, ptLR);
> >
> >
> >
> > window.parent.config.objects.mainMap.proj = destProj;
> > window.parent.config.objects.mainMap.map.baseLayer.reproject =
> true;
> > window.parent.config.objects.mainMap.map.baseLayer.projection =
> > "EPSG:23029";
> > window.parent.config.objects.mainMap.map.baseLayer.maxExtent =
> new
> > OpenLayers.Bounds(ptUL.x, ptLR.y, ptLR.x, ptUL.y);
> >
> >
> window.parent.config.objects.mainMap.refresh(window.parent.config.objects.mainMap);
> >
> > }
> >
> > The other function can be found at OpenLayers, in Class
> > "OpenLayers.Layer.WMS", is just preparing the request of the layer so
> that
> > it return the image reproject.
> >
> > Here, I can't save change of projection and coordinate system, and I have
> to
> > made the transformation of the BoundingBox degrees to meters to make the
> > request properly.
> >
> > getURL:function(bounds) { // Añadido JJ
> >
> > if (config.objects.mainMap.getSRS() == "EPSG:23029"){
> >
> > var bbox = config.objects.mainMap.getBoundingBox();
> > var ul = new Array(bbox[0],bbox[3]);
> > var lr = new Array(bbox[2],bbox[1]);
> >
> > var ptUL=new Proj4js.Point(ul[0],ul[1]);
> > var ptLR=new Proj4js.Point(lr[0],lr[1]);
> >
> > var proj = config.objects.mainMap.proj;
> >
> > Proj4js.defs["EPSG:23029"] = "+title=ED50 / UTM zone 29N
> +proj=utm
> > +zone=29 +ellps=intl +units=m +no_defs ";
> >
> > var destProj = new Proj4js.Proj("EPSG:23029");
> >
> >
> > Proj4js.transform(proj, destProj, ptUL);
> > Proj4js.transform(proj, destProj, ptLR);
> >
> > bounds = new OpenLayers.Bounds(ptUL.x, ptLR.y, ptLR.x, ptUL.y);
> >
> > }
> >
> > bounds = this.adjustBounds(bounds);
> >
> > var imageSize = this.getImageSize();
> >
> > //window.frames['iframVImprimirImagen'].document.open();
> >
> >
> >
> //window.frames['iframVImprimirImagen'].document.write(this.getFullRequestString({BBOX:this.encodeBBOX
> > ? bounds.toBBOX() :
> > bounds.toArray(),WIDTH:imageSize.w,HEIGHT:imageSize.h}));
> >
> > //window.frames['iframVImprimirImagen'].document.close();
> >
> > return this.getFullRequestString({BBOX:this.encodeBBOX ?
> bounds.toBBOX()
> > : bounds.toArray(),WIDTH:imageSize.w,HEIGHT:imageSize.h});
> >
> > }
> >
> >
> > Please show me how I can do it.
> > Thank you so much.
> > Oscar
> > -------------------------------------------------------------------------
> > Check out the new SourceForge.net Marketplace.
> > It's the best place to buy or sell services for
> > just about anything Open Source.
> > http://sourceforge.net/services/buy/index.php
> > _______________________________________________
> > mapbuilder-devel mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/mapbuilder-devel
> >
> >
>
-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
mapbuilder-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/mapbuilder-devel
