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/* Copyright 2017 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.rgbrenderer;
import java.util.Arrays;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentManager;
import com.esri.arcgisruntime.layers.RasterLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.raster.MinMaxStretchParameters;
import com.esri.arcgisruntime.raster.PercentClipStretchParameters;
import com.esri.arcgisruntime.raster.RGBRenderer;
import com.esri.arcgisruntime.raster.Raster;
import com.esri.arcgisruntime.raster.StandardDeviationStretchParameters;
import com.esri.arcgisruntime.raster.StretchParameters;
public class MainActivity extends AppCompatActivity implements ParametersDialogFragment.ParametersListener {
private FragmentManager mFragmentManager;
private MapView mMapView;
private RasterLayer mRasterLayer;
private int mMinR;
private int mMaxR;
private int mMinG;
private int mMaxG;
private int mMinB;
private int mMaxB;
private int mPercentClipMin;
private int mPercentClipMax;
private int mStdDevFactor;
private StretchType mStretchType;
@Override
public void returnParameters(int minR, int maxR, int minG, int maxG, int minB, int maxB, int percentClipMin,
int percentClipMax, int stdDevFactor, StretchType stretchType) {
//gets dialog box parameters and calls updateRenderer
mMinR = minR;
mMaxR = maxR;
mMinG = minG;
mMaxG = maxG;
mMinB = minB;
mMaxB = maxB;
mPercentClipMin = percentClipMin;
mPercentClipMax = percentClipMax;
mStdDevFactor = stdDevFactor;
mStretchType = stretchType;
updateRenderer();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//set default values for rgb parameters
mMinR = 0;
mMaxR = 255;
mMinG = 0;
mMaxG = 255;
mMinB = 0;
mMaxB = 255;
mPercentClipMin = 0;
mPercentClipMax = 99;
mStdDevFactor = 1;
mStretchType = StretchType.MIN_MAX;
// retrieve the MapView from layout
mMapView = findViewById(R.id.mapView);
mFragmentManager = getSupportFragmentManager();
// create raster
Raster raster = new Raster(getExternalFilesDir(null) + getString(R.string.rgb_renderer_shasta_tif));
mRasterLayer = new RasterLayer(raster);
// create a basemap from the raster layer
Basemap basemap = new Basemap(mRasterLayer);
ArcGISMap map = new ArcGISMap(basemap);
// add the map to a map view
mMapView.setMap(map);
updateRenderer();
}
/**
* Creates StretchRenderer of the chosen type: MinMax, PercentClip or StandardDeviation.
*/
private void updateRenderer() {
StretchParameters stretchParameters;
switch (mStretchType) {
default:
stretchParameters = new MinMaxStretchParameters(
Arrays.asList((double) mMinR, (double) mMinG, (double) mMinB),
Arrays.asList((double) mMaxR, (double) mMaxG, (double) mMaxB));
break;
case PERCENT_CLIP:
stretchParameters = new PercentClipStretchParameters(mPercentClipMin, mPercentClipMax);
break;
case STANDARD_DEVIATION:
stretchParameters = new StandardDeviationStretchParameters(mStdDevFactor);
}
RGBRenderer rgbRenderer = new RGBRenderer(stretchParameters, Arrays.asList(0, 1, 2), null, true);
mRasterLayer.setRasterRenderer(rgbRenderer);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.rgb_parameters, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
//send parameters to fragment
ParametersDialogFragment paramDialog = new ParametersDialogFragment();
Bundle rgbParameters = new Bundle();
rgbParameters.putInt("minR", mMinR);
rgbParameters.putInt("maxR", mMaxR);
rgbParameters.putInt("minG", mMinG);
rgbParameters.putInt("maxG", mMaxG);
rgbParameters.putInt("minB", mMinB);
rgbParameters.putInt("maxB", mMaxB);
rgbParameters.putInt("percent_clip_min", mPercentClipMin);
rgbParameters.putInt("percent_clip_max", mPercentClipMax);
rgbParameters.putInt("std_dev_factor", mStdDevFactor);
rgbParameters.putSerializable("stretch_type", mStretchType);
paramDialog.setArguments(rgbParameters);
paramDialog.show(mFragmentManager, "param_dialog");
return super.onOptionsItemSelected(item);
}
@Override
protected void onPause() {
super.onPause();
mMapView.pause();
}
@Override
protected void onResume() {
super.onResume();
mMapView.resume();
}
@Override
protected void onDestroy() {
super.onDestroy();
mMapView.dispose();
}
enum StretchType {
MIN_MAX("Min Max"),
PERCENT_CLIP("Percent Clip"),
STANDARD_DEVIATION("Standard Deviation");
private final String stringValue;
StretchType(String toString) {
stringValue = toString;
}
@Override public String toString() {
return stringValue;
}
}
}
