1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/* 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;
}
}
}