Java Code Examples for mil.nga.geopackage.GeoPackage#getBoundingBox()
The following examples show how to use
mil.nga.geopackage.GeoPackage#getBoundingBox() .
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Example 1
| Source File: FeatureTileGenerator.java From geopackage-android with MIT License | 6 votes |
|
/**
* Get the bounding box for the feature tile generator, from the provided
* and from the feature table
*
* @param geoPackage GeoPackage
* @param featureTiles feature tiles
* @param boundingBox bounding box
* @param projection projection
* @return bounding box
*/
private static BoundingBox getBoundingBox(GeoPackage geoPackage,
FeatureTiles featureTiles, BoundingBox boundingBox,
Projection projection) {
String tableName = featureTiles.getFeatureDao().getTableName();
boolean manualQuery = boundingBox == null;
BoundingBox featureBoundingBox = geoPackage.getBoundingBox(projection,
tableName, manualQuery);
if (featureBoundingBox != null) {
if (boundingBox == null) {
boundingBox = featureBoundingBox;
} else {
boundingBox = boundingBox.overlap(featureBoundingBox);
}
}
if (boundingBox != null) {
boundingBox = featureTiles.expandBoundingBox(boundingBox,
projection);
}
return boundingBox;
}
Example 2
| Source File: FeatureTileGenerator.java From geopackage-java with MIT License | 6 votes |
|
/**
* Get the bounding box for the feature tile generator, from the provided
* and from the feature table
*
* @param geoPackage
* GeoPackage
* @param featureTiles
* feature tiles
* @param boundingBox
* bounding box
* @param projection
* projection
* @return bounding box
*/
private static BoundingBox getBoundingBox(GeoPackage geoPackage,
FeatureTiles featureTiles, BoundingBox boundingBox,
Projection projection) {
String tableName = featureTiles.getFeatureDao().getTableName();
boolean manualQuery = boundingBox == null;
BoundingBox featureBoundingBox = geoPackage.getBoundingBox(projection,
tableName, manualQuery);
if (featureBoundingBox != null) {
if (boundingBox == null) {
boundingBox = featureBoundingBox;
} else {
boundingBox = boundingBox.overlap(featureBoundingBox);
}
}
if (boundingBox != null) {
boundingBox = featureTiles.expandBoundingBox(boundingBox,
projection);
}
return boundingBox;
}
Example 3
| Source File: OAPIFeatureGeneratorTest.java From geopackage-android with MIT License | 4 votes |
|
/**
* Test a WFS server and create a GeoPackage
*
* @param server server url
* @param collection collection name
* @param name geoPackage and table name
* @param limit request limit
* @param totalLimit total limit
* @param boundingBox bounding box
* @param time time
* @param period period or end time
* @throws SQLException upon error
*/
private void testServer(String server, String collection, String name,
Integer limit, Integer totalLimit, BoundingBox boundingBox,
String time, String period) throws SQLException {
GeoPackageManager geoPackageManager = GeoPackageFactory.getManager(activity);
geoPackageManager.delete(collection);
geoPackageManager.create(collection);
GeoPackage geoPackage = geoPackageManager.open(collection);
OAPIFeatureGenerator generator = new OAPIFeatureGenerator(
geoPackage, name, server, collection);
generator.setLimit(limit);
generator.setTotalLimit(totalLimit);
generator.setBoundingBox(boundingBox);
generator.setTime(time);
generator.setPeriod(period);
generator.setDownloadAttempts(3);
int count = generator.generateFeatures();
if (totalLimit != null) {
TestCase.assertEquals(totalLimit.intValue(), count);
}
FeatureDao featureDao = generator.getFeatureDao();
if (totalLimit != null) {
TestCase.assertEquals(totalLimit.intValue(), featureDao.count());
}
FeatureIndexManager indexer = new FeatureIndexManager(activity, geoPackage, featureDao);
indexer.setIndexLocation(FeatureIndexType.GEOPACKAGE);
indexer.index();
indexer.close();
BoundingBox dataBounds = geoPackage
.getBoundingBox(featureDao.getTableName());
Contents contents = featureDao.getContents();
contents.setBoundingBox(dataBounds);
geoPackage.getContentsDao().update(contents);
geoPackage.close();
}
Example 4
| Source File: FeaturePreviewUtils.java From geopackage-android with MIT License | 4 votes |
|
/**
* Test the GeoPackage draw feature preview
*
* @param activity activity
* @param geoPackage GeoPackage
* @throws IOException upon error
*/
public static void testDraw(Activity activity, GeoPackage geoPackage) throws IOException {
for (String featureTable : geoPackage.getFeatureTables()) {
FeatureDao featureDao = geoPackage.getFeatureDao(featureTable);
int count = featureDao.count(
CoreSQLUtils.quoteWrap(featureDao.getGeometryColumnName())
+ " IS NOT NULL");
BoundingBox contentsBoundingBox = geoPackage
.getContentsBoundingBox(featureTable);
BoundingBox indexedBoundingBox = geoPackage
.getBoundingBox(featureTable);
boolean expectImage = (contentsBoundingBox != null
|| indexedBoundingBox != null) && count > 0;
boolean epsg = featureDao.getProjection().getAuthority()
.equalsIgnoreCase(ProjectionConstants.AUTHORITY_EPSG);
FeaturePreview preview = new FeaturePreview(activity, geoPackage, featureDao);
Bitmap image = preview.draw();
if (epsg) {
assertEquals(expectImage, image != null);
}
preview.setBufferPercentage(0.4);
preview.setLimit((int) Math.ceil(count / 2.0));
Bitmap imageLimit = preview.draw();
if (epsg) {
assertEquals(expectImage, imageLimit != null);
}
preview.setManual(true);
preview.setBufferPercentage(0.05);
preview.setLimit(null);
FeatureTiles featureTiles = preview.getFeatureTiles();
featureTiles.setTileWidth(TileUtils.TILE_PIXELS_DEFAULT);
featureTiles.setTileHeight(TileUtils.TILE_PIXELS_DEFAULT);
featureTiles.setDensity(
TileUtils.density(TileUtils.TILE_PIXELS_DEFAULT));
featureTiles.clearIconCache();
Bitmap imageManual = preview.draw();
if (epsg) {
assertNotNull(imageManual);
}
preview.setBufferPercentage(0.35);
preview.setLimit(Math.max(count - 1, 1));
Bitmap imageManualLimit = preview.draw();
if (epsg) {
assertNotNull(imageManualLimit);
}
preview.setBufferPercentage(0.15);
preview.setLimit(null);
preview.appendWhere(
CoreSQLUtils.quoteWrap(featureDao.getIdColumnName()) + " > "
+ ((int) Math.floor(count / 2.0)));
Bitmap imageManualWhere = preview.draw();
if (epsg) {
assertNotNull(imageManualWhere);
}
if(image != null) {
image.recycle();
}
if(imageLimit != null) {
imageLimit.recycle();
}
if(imageManual != null) {
imageManual.recycle();
}
if(imageManualLimit != null) {
imageManualLimit.recycle();
}
if(imageManualWhere != null) {
imageManualWhere.recycle();
}
preview.close();
}
}
Example 5
| Source File: OAPIFeatureGeneratorTest.java From geopackage-java with MIT License | 4 votes |
|
/**
* Test a WFS server and create a GeoPackage
*
* @param server
* server url
* @param collection
* collection name
* @param name
* geoPackage and table name
* @param limit
* request limit
* @param totalLimit
* total limit
* @param boundingBox
* bounding box
* @param time
* time
* @param period
* period or end time
* @param progressFrequency
* progress frequency
* @throws SQLException
* upon error
*/
private void testServer(String server, String collection, String name,
Integer limit, Integer totalLimit, BoundingBox boundingBox,
String time, String period, int progressFrequency)
throws SQLException {
File file = new File(PATH + name + ".gpkg");
file.delete();
GeoPackageManager.create(file);
GeoPackage geoPackage = GeoPackageManager.open(file);
OAPIFeatureGenerator generator = new OAPIFeatureGenerator(geoPackage,
name, server, collection);
generator.setLimit(limit);
generator.setTotalLimit(totalLimit);
generator.setBoundingBox(boundingBox);
generator.setTime(time);
generator.setPeriod(period);
generator.setDownloadAttempts(3);
generator.setProgress(new Progress(collection, progressFrequency, 10));
int count = generator.generateFeatures();
if (totalLimit != null) {
TestCase.assertEquals(totalLimit.intValue(), count);
}
FeatureDao featureDao = generator.getFeatureDao();
if (totalLimit != null) {
TestCase.assertEquals(totalLimit.intValue(), featureDao.count());
}
RTreeIndexExtension rTree = new RTreeIndexExtension(geoPackage);
rTree.create(featureDao.getTable());
BoundingBox dataBounds = geoPackage
.getBoundingBox(featureDao.getTableName());
Contents contents = featureDao.getContents();
contents.setBoundingBox(dataBounds);
geoPackage.getContentsDao().update(contents);
SQLExec.executeSQL(geoPackage,
"PRAGMA table_info(\"" + generator.getTableName() + "\")")
.printResults();
SQLExec.executeSQL(geoPackage,
"SELECT * FROM \"" + generator.getTableName() + "\"")
.printResults();
geoPackage.close();
}
Example 6
| Source File: FeaturePreviewUtils.java From geopackage-java with MIT License | 4 votes |
|
/**
* Test the GeoPackage draw feature preview
*
* @param geoPackage
* GeoPackage
* @throws IOException
* upon error
*/
public static void testDraw(GeoPackage geoPackage) throws IOException {
for (String featureTable : geoPackage.getFeatureTables()) {
FeatureDao featureDao = geoPackage.getFeatureDao(featureTable);
int count = featureDao.count(
CoreSQLUtils.quoteWrap(featureDao.getGeometryColumnName())
+ " IS NOT NULL");
BoundingBox contentsBoundingBox = geoPackage
.getContentsBoundingBox(featureTable);
BoundingBox indexedBoundingBox = geoPackage
.getBoundingBox(featureTable);
boolean expectImage = (contentsBoundingBox != null
|| indexedBoundingBox != null) && count > 0;
boolean epsg = featureDao.getProjection().getAuthority()
.equalsIgnoreCase(ProjectionConstants.AUTHORITY_EPSG);
FeaturePreview preview = new FeaturePreview(geoPackage, featureDao);
BufferedImage image = preview.draw();
if (epsg) {
assertEquals(expectImage, image != null);
}
if (writeImages) {
ImageIO.write(image, "png", new File("image.png"));
}
preview.setBufferPercentage(0.4);
preview.setLimit((int) Math.ceil(count / 2.0));
BufferedImage imageLimit = preview.draw();
if (epsg) {
assertEquals(expectImage, imageLimit != null);
}
if (writeImages) {
ImageIO.write(imageLimit, "png", new File("image_limit.png"));
}
preview.setManual(true);
preview.setBufferPercentage(0.05);
preview.setLimit(null);
FeatureTiles featureTiles = preview.getFeatureTiles();
featureTiles.setTileWidth(TileUtils.TILE_PIXELS_DEFAULT);
featureTiles.setTileHeight(TileUtils.TILE_PIXELS_DEFAULT);
featureTiles.setScale(
TileUtils.tileScale(TileUtils.TILE_PIXELS_DEFAULT));
featureTiles.clearIconCache();
BufferedImage imageManual = preview.draw();
if (epsg) {
assertNotNull(imageManual);
}
if (writeImages) {
ImageIO.write(imageManual, "png", new File("image_manual.png"));
}
preview.setBufferPercentage(0.35);
preview.setLimit(Math.max(count - 1, 1));
BufferedImage imageManualLimit = preview.draw();
if (epsg) {
assertNotNull(imageManualLimit);
}
if (writeImages) {
ImageIO.write(imageManualLimit, "png",
new File("image_manual_limit.png"));
}
preview.setBufferPercentage(0.15);
preview.setLimit(null);
preview.appendWhere(
CoreSQLUtils.quoteWrap(featureDao.getIdColumnName()) + " > "
+ ((int) Math.floor(count / 2.0)));
BufferedImage imageManualWhere = preview.draw();
if (epsg) {
assertNotNull(imageManualWhere);
}
if (writeImages) {
ImageIO.write(imageManualWhere, "png",
new File("image_manual_where.png"));
System.out.println("Breakpoint here");
}
}
}
