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geoportal-data-viewer-app
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Added "Fit map to Extent" facility

This commit is contained in:
Francesco Mangiacrapa 2023-06-07 14:26:57 +02:00
parent 1002111ca8
commit a7680ffb46
7 changed files with 204 additions and 20 deletions
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33
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
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@ -35,6 +35,8 @@ import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetai
import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.DO_LAYER_ACTION;
import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.SwapLayer;
import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEventHandler;
import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEvent;
import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEventHandler;
import org.gcube.portlets.user.geoportaldataviewer.client.events.MapExtentToEvent;
import org.gcube.portlets.user.geoportaldataviewer.client.events.MapExtentToEventHandler;
import org.gcube.portlets.user.geoportaldataviewer.client.events.OverlayCustomLayerToMapEvent;
@ -802,8 +804,8 @@ public class GeoportalDataViewer implements EntryPoint {
// Showing popup after clicking on map
if (showPopupOnCentroiEvent.getProfileID() != null && showPopupOnCentroiEvent.getProjectID() != null) {
Coordinate transfCoord = MapUtils
.geoJSONTToBBoxCenter(showPopupOnCentroiEvent.getSpatialReference(), null, null);
Coordinate transfCoord = MapUtils.geoJSONToBBOXCenter(showPopupOnCentroiEvent.getSpatialReference(),
null, null);
performWFSQueryOnCentroid(showPopupOnCentroiEvent.getProjectID(), transfCoord.getX(),
transfCoord.getY());
@ -878,8 +880,8 @@ public class GeoportalDataViewer implements EntryPoint {
newCqlFilter = olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.SEARCH, layerName,
null);
}
GWT.log("New CQL Filter is: "+newCqlFilter);
GWT.log("New CQL Filter is: " + newCqlFilter);
if (layerName != null)
layerManager.setCQLForLayerToIndexLayer(layerName, newCqlFilter);
@ -932,6 +934,18 @@ public class GeoportalDataViewer implements EntryPoint {
}
});
applicationBus.addHandler(FitMapToExtentEvent.TYPE, new FitMapToExtentEventHandler() {
@Override
public void onFitToMap(FitMapToExtentEvent fitMapToExtentEvent) {
if (fitMapToExtentEvent.getExtent() != null) {
olMapMng.getOLMap().fitToExtent(fitMapToExtentEvent.getExtent());
}
}
});
}
/**
@ -1052,17 +1066,6 @@ public class GeoportalDataViewer implements EntryPoint {
GWT.log("features: " + features);
olMapMng.getOLMap().addLayerFeaturesAsHighlight(layerItem, features, true);
/*
* Fit to extent calculating the features extent if (projectDV != null) {
* GeoJSON spatialReference = projectDV.getSpatialReference();
*
* GWT.log("spatialReference is: " + spatialReference); Coordinate transfCoord =
* MapUtils.geoJSONTToBBoxCenter(spatialReference,
* MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
* GWT.log("transfCoord is: " + transfCoord); if (transfCoord != null)
* olMapMng.getOLMap().setCenter(transfCoord); }
*/
}
}

52
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/FitMapToExtentEvent.java Normal file
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@ -0,0 +1,52 @@
package org.gcube.portlets.user.geoportaldataviewer.client.events;
import com.google.gwt.event.shared.GwtEvent;
import ol.Extent;
/**
* The Class FitMapToExtentEvent.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* Jun 6, 2023
*/
public class FitMapToExtentEvent extends GwtEvent<FitMapToExtentEventHandler> {
public static Type<FitMapToExtentEventHandler> TYPE = new Type<FitMapToExtentEventHandler>();
private Extent extent;
/**
* Instantiates a new fit map to extent event.
*
* @param extent the extent
*/
public FitMapToExtentEvent(Extent extent) {
this.extent = extent;
}
/**
* Gets the associated type.
*
* @return the associated type
*/
@Override
public Type<FitMapToExtentEventHandler> getAssociatedType() {
return TYPE;
}
/**
* Dispatch.
*
* @param handler the handler
*/
@Override
protected void dispatch(FitMapToExtentEventHandler handler) {
handler.onFitToMap(this);
}
public Extent getExtent() {
return extent;
}
}

20
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/FitMapToExtentEventHandler.java Normal file
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@ -0,0 +1,20 @@
package org.gcube.portlets.user.geoportaldataviewer.client.events;
import com.google.gwt.event.shared.EventHandler;
/**
* The Interface FitMapToExtentEventHandler.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* Jun 6, 2023
*/
public interface FitMapToExtentEventHandler extends EventHandler {
/**
* On fit to map.
*
* @param fitMapToExtentEvent the fit map to extent event
*/
void onFitToMap(FitMapToExtentEvent fitMapToExtentEvent);
}

17
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/MapUtils.java
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@ -6,6 +6,7 @@ import com.google.gwt.core.client.GWT;
import ol.Collection;
import ol.Coordinate;
import ol.Extent;
import ol.control.Attribution;
import ol.control.Control;
import ol.control.FullScreen;
@ -55,6 +56,18 @@ public final class MapUtils {
return Projection.transform(centerCoordinate, source, target);
}
/**
* Transform extent.
*
* @param extent the extent
* @param source the source
* @param target the target
* @return the extent
*/
public static Extent transformExtent(Extent extent, String source, String target) {
return Projection.transformExtent(extent, source, target);
}
/**
* Distance between centroid.
*
@ -95,14 +108,14 @@ public final class MapUtils {
}
/**
* Geo JSONT to B box center.
* Geo JSON to B box center.
*
* @param spatialReference the spatial reference
* @param transforFrom the transfor from
* @param transformTo the transform to
* @return the coordinate
*/
public static Coordinate geoJSONTToBBoxCenter(GeoJSON spatialReference, String transforFrom, String transformTo) {
public static Coordinate geoJSONToBBOXCenter(GeoJSON spatialReference, String transforFrom, String transformTo) {
try {
if (spatialReference != null) {

21
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
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@ -37,6 +37,7 @@ import ol.Overlay;
import ol.OverlayOptions;
import ol.Size;
import ol.View;
import ol.ViewFitOptions;
import ol.ViewOptions;
import ol.animation.AnimationOptions;
import ol.color.Color;
@ -90,6 +91,13 @@ public abstract class OpenLayerMap {
public static final int MAX_ZOOM = 21;
/**
* The Enum CQL_FACILITY_ORIGIN.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* Jun 6, 2023
*/
public static enum CQL_FACILITY_ORIGIN {
SEARCH, CROSS_FILTERING
}
@ -1183,4 +1191,17 @@ public abstract class OpenLayerMap {
return map.get((map.keySet().toArray())[index]);
}
/**
* Fit to extent.
*
* @param extent the extent
*/
public void fitToExtent(ol.Extent extent) {
ViewFitOptions opt = new ViewFitOptions();
opt.setMaxZoom(16);
opt.setDuration(SET_CENTER_ANIMATED_DURATION*4);
map.getView().fit(extent, opt);
}
}

2
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/cms/project/ProjectViewer.java
View File

@ -304,7 +304,7 @@ public class ProjectViewer extends Composite {
GeoJSON spatialReference = theProjectView.getTheProjectDV().getSpatialReference();
Coordinate transfCoord = MapUtils.geoJSONTToBBoxCenter(spatialReference, MAP_PROJECTION.EPSG_4326.getName(),
Coordinate transfCoord = MapUtils.geoJSONToBBOXCenter(spatialReference, MAP_PROJECTION.EPSG_4326.getName(),
MAP_PROJECTION.EPSG_3857.getName());
if (transfCoord != null) {

79
src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/crossfiltering/CrossFilteringLayerPanel.java
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@ -10,9 +10,13 @@ import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.Cros
import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDILayer;
import org.gcube.application.geoportalcommon.shared.geoportal.materialization.IndexLayerDV;
import org.gcube.application.geoportalcommon.shared.geoportal.materialization.innerobject.BBOXDV;
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerServiceAsync;
import org.gcube.portlets.user.geoportaldataviewer.client.events.ApplyCQLToLayerOnMapEvent;
import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEvent;
import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.OLGeoJSONUtil;
import org.gcube.portlets.user.geoportaldataviewer.client.util.LoaderIcon;
import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
@ -39,16 +43,24 @@ import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.http.client.URL;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONValue;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;
import jsinterop.base.JsPropertyMap;
import ol.Coordinate;
import ol.Extent;
import ol.Feature;
import ol.OLFactory;
/**
* The Class CrossFilteringLayerPanel.
@ -461,12 +473,14 @@ public class CrossFilteringLayerPanel extends Composite {
@Override
public void onSuccess(String response) {
Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326, response);
if (features != null) {
int dataCount = features.length;
panelResults.clear();
panelResults.add(new HTML("<hr>"));
FlexTable flexTable = new FlexTable();
String message = "";
@ -480,12 +494,73 @@ public class CrossFilteringLayerPanel extends Composite {
HTML resultMessage = new HTML();
resultMessage.getElement().addClassName("search_result_msg");
resultMessage.setHTML(message);
panelResults.add(resultMessage);
flexTable.setWidget(0, 0, resultMessage.asWidget());
panelResults.add(flexTable);
try {
JSONObject jObject = (JSONObject) JSONParser.parseStrict(response);
JSONArray bbox = (JSONArray) jObject.get("bbox");
double[] coords = new double[bbox.size()];
for (int i = 0; i < bbox.size(); i++) {
JSONValue coord = bbox.get(i);
coords[i] = Double.parseDouble(coord.toString());
}
//Inverting coordinate to lat/long for EPSG:3857 Pseudo-Mercator
Coordinate lower = OLFactory.createCoordinate(coords[1], coords[0]);
Coordinate lowerCoord = MapUtils.transformCoordiante(lower, MAP_PROJECTION.EPSG_4326.getName(),
MAP_PROJECTION.EPSG_3857.getName());
Coordinate upper = OLFactory.createCoordinate(coords[3], coords[2]);
Coordinate upperCoord = MapUtils.transformCoordiante(upper, MAP_PROJECTION.EPSG_4326.getName(),
MAP_PROJECTION.EPSG_3857.getName());
final Extent transfExtent = new ExtentWrapped(lowerCoord.getX(), lowerCoord.getY(), upperCoord.getX(), upperCoord.getY());
GWT.log("Zoom to selected - transf extent: "+transfExtent);
Button selectTo = new Button("Zoom to selected");
selectTo.setType(ButtonType.DEFAULT);
selectTo.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
applicationBus.fireEvent(new FitMapToExtentEvent(transfExtent));
}
});
flexTable.setWidget(1,0,selectTo);
//panelResults.add(selectTo);
}catch (Exception e) {
// TODO: handle exception
}
}
}
});
}
public static final BBOXDV fromGeoJSON(double[] coords) {
BBOXDV toReturn = new BBOXDV();
toReturn.setMaxX(coords[0]);
toReturn.setMinY(coords[1]);
if (coords.length == 6) {
// 3D
toReturn.setMinZ(coords[2]);
toReturn.setMinX(coords[3]);
toReturn.setMaxY(coords[4]);
toReturn.setMaxZ(coords[5]);
} else {
toReturn.setMinX(coords[2]);
toReturn.setMaxY(coords[3]);
}
return toReturn;
}
/**
* Load inner level.