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/*
* Copyright 2019 Esri
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.esri.arcgisruntime.sample.clipgeometry;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.geometry.Envelope;
import com.esri.arcgisruntime.geometry.Geometry;
import com.esri.arcgisruntime.geometry.GeometryEngine;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
public class MainActivity extends AppCompatActivity {
private MapView mMapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// authentication with an API key or named user is required to access basemaps and other
// location services
ArcGISRuntimeEnvironment.setApiKey(BuildConfig.API_KEY);
// get a reference to the map view and set a topographic map to it,
mMapView = findViewById(R.id.mapView);
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC);
mMapView.setMap(map);
mMapView.setViewpoint(new Viewpoint(40, -106, 10000000));
// create a graphics overlay to contain the geometry to clip
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
mMapView.getGraphicsOverlays().add(graphicsOverlay);
// create a blue graphic of Colorado
Envelope colorado = new Envelope(new Point(-11362327.128340, 5012861.290274),
new Point(-12138232.018408, 4441198.773776));
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID,
getColor(R.color.transparentDarkBlue), new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 2));
Graphic coloradoGraphic = new Graphic(colorado, fillSymbol);
graphicsOverlay.getGraphics().add(coloradoGraphic);
// create a graphics overlay to contain the clipping envelopes
GraphicsOverlay envelopesOverlay = new GraphicsOverlay();
mMapView.getGraphicsOverlays().add(envelopesOverlay);
// create a dotted red outline symbol
SimpleLineSymbol redOutline = new SimpleLineSymbol(SimpleLineSymbol.Style.DOT, Color.RED, 3);
// create a envelope outside Colorado
Envelope outsideEnvelope = new Envelope(new Point(-11858344.321294, 5147942.225174),
new Point(-12201990.219681, 5297071.577304));
Graphic outside = new Graphic(outsideEnvelope, redOutline);
envelopesOverlay.getGraphics().add(outside);
// create a envelope intersecting Colorado
Envelope intersectingEnvelope = new Envelope(new Point(-11962086.479298, 4566553.881363),
new Point(-12260345.183558, 4332053.378376));
Graphic intersecting = new Graphic(intersectingEnvelope, redOutline);
envelopesOverlay.getGraphics().add(intersecting);
// create a envelope inside Colorado
Envelope containedEnvelope = new Envelope(new Point(-11655182.595204, 4741618.772994),
new Point(-11431488.567009, 4593570.068343));
Graphic contained = new Graphic(containedEnvelope, redOutline);
envelopesOverlay.getGraphics().add(contained);
// create a graphics overlay to contain the clipped areas
GraphicsOverlay clipAreasOverlay = new GraphicsOverlay();
mMapView.getGraphicsOverlays().add(clipAreasOverlay);
// create a button to perform the clip operation
Button clipButton = findViewById(R.id.clipButton);
clipButton.setOnClickListener(v -> {
// disable button
clipButton.setEnabled(false);
// for each envelope, clip the Colorado geometry and show the result, replacing the original Colorado graphic
coloradoGraphic.setVisible(false);
for (Graphic graphic : envelopesOverlay.getGraphics()) {
Geometry geometry = GeometryEngine.clip(coloradoGraphic.getGeometry(), (Envelope) graphic.getGeometry());
if (geometry != null) {
Graphic clippedGraphic = new Graphic(geometry, fillSymbol);
clipAreasOverlay.getGraphics().add(clippedGraphic);
}
}
});
}
@Override
protected void onPause() {
mMapView.pause();
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
mMapView.resume();
}
@Override
protected void onDestroy() {
mMapView.dispose();
super.onDestroy();
}
}