Hello,
I hope you managed to overcome this issue.
I'm having the same problem.
Please let me know if you solved the problem
Le mercredi 13 octobre 2010 13:00:20 UTC+1, ana a écrit :
>
> Hello, i´m new with gwt..I know only a little about this technology,
> so i need some help...my problem is referent to mapserver, i want use
> openlayers and mapserver to generate a map image ..for that, i use the
> wrapper gwt-openlayers..then i do it something like this(see the
> code), but it´s not working, the program don´t has error, but the
> image don´t show....please someone help me..
>
> CODE:
> package org.yournamehere.client;
>
> import com.google.gwt.core.client.EntryPoint;
> import com.google.gwt.user.client.ui.Button;
> import com.google.gwt.user.client.ui.Label;
> import com.google.gwt.user.client.ui.RootPanel;
> import com.google.gwt.event.dom.client.ClickEvent;
> import com.google.gwt.event.dom.client.ClickHandler;
>
> import org.gwtopenmaps.openlayers.client.Bounds;
> import org.gwtopenmaps.openlayers.client.Icon;
> import org.gwtopenmaps.openlayers.client.LonLat;
> import org.gwtopenmaps.openlayers.client.Map;
> import org.gwtopenmaps.openlayers.client.MapOptions;
> import org.gwtopenmaps.openlayers.client.MapWidget;
> import org.gwtopenmaps.openlayers.client.Marker;
> import org.gwtopenmaps.openlayers.client.Pixel;
> import org.gwtopenmaps.openlayers.client.Size;
> import org.gwtopenmaps.openlayers.client.control.LayerSwitcher;
> import org.gwtopenmaps.openlayers.client.control.MousePosition;
> import org.gwtopenmaps.openlayers.client.control.MouseToolbar;
> import org.gwtopenmaps.openlayers.client.control.PanZoomBar;
> import org.gwtopenmaps.openlayers.client.control.Scale;
> import org.gwtopenmaps.openlayers.client.event.EventHandler;
> import org.gwtopenmaps.openlayers.client.layer.Layer;
> import org.gwtopenmaps.openlayers.client.layer.Markers;
> import org.gwtopenmaps.openlayers.client.layer.WMS;
> import org.gwtopenmaps.openlayers.client.layer.WMSParams;
> import org.gwtopenmaps.openlayers.client.popup.AnchoredBubble;
> import org.gwtopenmaps.openlayers.client.popup.Popup;
> import com.google.gwt.core.client.EntryPoint;
> import com.google.gwt.user.client.ui.DockPanel;
> import com.google.gwt.user.client.ui.RootPanel;
> import org.gwtopenmaps.openlayers.client.util.JObjectArray;
> import org.gwtopenmaps.openlayers.client.util.JSObject;
>
> public class MainEntryPoint implements EntryPoint {
>
> private MapWidget mapWidget;
> private Map map;
> private WMS wmsLayer;
> private Markers markers;
> private Popup popup;
> private WMS layer1;
> private WMS layer2;
>
> public MainEntryPoint() {
> }
>
> public void onModuleLoad() {
>
>
> MapOptions mapOptions = new MapOptions();
> mapOptions.setControls(new JObjectArray(new JSObject[]{}));
> mapOptions.setNumZoomLevels(16);
> mapOptions.setProjection("EPSG:4326");
>
> mapWidget = new MapWidget("800px", "475px", mapOptions);
> map = mapWidget.getMap();
> markers = new Markers("marker layer");
>
>
> WMSParams wmsParams = new WMSParams();
> wmsParams.setFormat("image/png");
> wmsParams.setLayers("tiger-ny");
> wmsParams.setStyles("");
> wmsParams.setMaxExtent(new Bounds(-79, 0, -61, 12));
>
> wmsLayer = new WMS("estados", "http://localhost:8080/
> cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/
> <http://localhost:8080/cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/>
>
> Venezuela.map", wmsParams);
> layer1 = new WMS("municipios", "http://localhost:8080/
> cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/
> <http://localhost:8080/cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/>
>
> Venezuela.map", wmsParams);
> layer2 = new WMS("parroquias", "http://localhost:8080/
> cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/
> <http://localhost:8080/cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/WebApplication2/src/Mapa/>
>
> Venezuela.map", wmsParams);
>
> map.addLayers(new Layer[] {wmsLayer,layer1,layer2,
> markers});
>
>
> map.addControl(new
> PanZoomBar(RootPanel.get("nav").getElement()));
> map.addControl(new
> MousePosition(RootPanel.get("position").getElement()));
> map.addControl(new
> Scale(RootPanel.get("scale").getElement()));
> map.addControl(new MouseToolbar());
> map.addControl(new LayerSwitcher());
>
> LonLat center = new LonLat(679600, 180000);
> map.setCenter(center, 13);
>
> Size size = new Size(32,32);
> Pixel offset = new Pixel(-5, -17);
> Icon icon = new Icon("img/marker.png", size, offset);
> Marker marker = new Marker(center, icon);
> markers.addMarker(marker);
>
> DockPanel dockPanel = new DockPanel();
> dockPanel.add(mapWidget, DockPanel.CENTER);
> dockPanel.setBorderWidth(1);
>
> RootPanel.get("map").add(dockPanel);
>
> }
> }
>
> thanks!!!
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