private static FeatureSource openShapefile(final String sFile) throws IOException {
final FileDataStore store = FileDataStoreFinder.getDataStore(new File(sFile));
final FeatureSource featureSource = store.getFeatureSource();
return featureSource;
}
private static void constructMapUI(final File shapefile) {
JMapFrame frame;
MapContent map = new MapContent();
FileDataStore dataStore;
SimpleFeatureSource shapefileSource;
try {
dataStore = FileDataStoreFinder.getDataStore(shapefile);
shapefileSource = dataStore.getFeatureSource();
} catch (IOException e) {
e.printStackTrace();
return;
}
Style shpStyle = SLD.createPolygonStyle(Color.RED, null, 0.0f);
Layer shpLayer = new FeatureLayer(shapefileSource, shpStyle);
map.addLayer(shpLayer);
frame = new JMapFrame(map);
frame.enableLayerTable(true);
frame.setSize(1000, 800);
frame.enableStatusBar(true);
frame.enableToolBar(true);
frame.setTitle("Map Viewer (courtesy of GeoTools");
JMenuBar menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
frame.setVisible(true);
frame.setDefaultCloseOperation(JMapFrame.HIDE_ON_CLOSE);
}
/**
* This method connects to the shapefile; retrieves information about its features; creates a map
* frame to display the shapefile and adds a custom feature selection tool to the toolbar of the
* map frame.
*/
public void displayShapefile(File file) throws Exception {
FileDataStore store = FileDataStoreFinder.getDataStore(file);
featureSource = store.getFeatureSource();
setGeometry();
/*
* Create the JMapFrame and set it to display the shapefile's features
* with a default line and colour style
*/
MapContext map = new DefaultMapContext();
map.setTitle("Feature selection tool example");
Style style = createDefaultStyle();
map.addLayer(featureSource, style);
mapFrame = new JMapFrame(map);
mapFrame.enableToolBar(true);
mapFrame.enableStatusBar(true);
/*
* Before making the map frame visible we add a new button to its
* toolbar for our custom feature selection tool
*/
JToolBar toolBar = mapFrame.getToolBar();
JButton btn = new JButton("Select");
toolBar.addSeparator();
toolBar.add(btn);
/*
* When the user clicks the button we want to enable
* our custom feature selection tool. Since the only
* mouse action we are intersted in is 'clicked', and
* we are not creating control icons or cursors here,
* we can just create our tool as an anonymous sub-class
* of CursorTool.
*/
btn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
mapFrame
.getMapPane()
.setCursorTool(
new CursorTool() {
@Override
public void onMouseClicked(MapMouseEvent ev) {
selectFeatures(ev);
}
});
}
});
/** Finally, we display the map frame. When it is closed this application will exit. */
mapFrame.setSize(600, 600);
mapFrame.setVisible(true);
}
public static List<SimpleFeature> fromShapefile(String shapePath) throws IOException {
FileDataStore store = FileDataStoreFinder.getDataStore(new File(shapePath));
FeatureSource<SimpleFeatureType, SimpleFeature> featureSource = store.getFeatureSource();
FeatureCollection<SimpleFeatureType, SimpleFeature> featureCollection =
featureSource.getFeatures();
List<SimpleFeature> featuresList = new ArrayList<SimpleFeature>();
FeatureIterator<SimpleFeature> featureIterator = featureCollection.features();
while (featureIterator.hasNext()) {
SimpleFeature feature = featureIterator.next();
featuresList.add(feature);
}
featureIterator.close();
return featuresList;
}
public static void printID(String filename) {
File file = new File(filename);
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
SimpleFeatureIterator iterator = featureCollection.features();
// List<Geometry> GeometryList = new ArrayList<Geometry>(sizeFeatureCollection);
try {
while (iterator.hasNext()) {
SimpleFeature feature = iterator.next();
System.out.println(feature.getID());
}
} finally {
iterator.close();
store.dispose();
}
}
/** The constructor. */
public ViewTest() {
// Create a map content and add our shapefile to it
map = new MapContent();
map.setTitle("simple map content");
// hey, try for an image aswell
String path = "/Users/ian/Desktop/ukrasterchart/2_BRITISH_ISLES.tif";
File chartFile = new File(path);
if (!chartFile.exists()) System.err.println("CANNOT FILE THE CHART FILE!!!");
WorldImageFormat format = new WorldImageFormat();
AbstractGridCoverage2DReader tiffReader = format.getReader(chartFile);
if (tiffReader != null) {
StyleFactoryImpl sf = new StyleFactoryImpl();
RasterSymbolizer symbolizer = sf.getDefaultRasterSymbolizer();
Style defaultStyle = SLD.wrapSymbolizers(symbolizer);
GeneralParameterValue[] params = null;
GridReaderLayer res = new GridReaderLayer(tiffReader, defaultStyle, params);
map.addLayer(res);
}
try {
URL url = GtActivator.getDefault().getBundle().getEntry("data/50m_admin_0_countries.shp");
String filePath = FileLocator.resolve(url).getFile();
File file = new File(filePath);
if (!file.exists()) System.err.println("can't find file!!!");
FileDataStore store = FileDataStoreFinder.getDataStore(file);
if (store != null) {
SimpleFeatureSource featureSource = store.getFeatureSource();
Style style = SLD.createSimpleStyle(featureSource.getSchema());
Layer layer = new FeatureLayer(featureSource, style);
map.addLayer(layer);
}
} catch (IOException e) {
}
//
}
public static void getAIDBufferByID(String filename, int bufferSize) {
File file = new File(filename);
String[] splited = filename.split("[\\\\/]");
String shapefilename = splited[splited.length - 1].split("\\.")[0] + ".";
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
int sum = 0;
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(GeoTools.getDefaultHints());
int numBuffs = sizeFeatureCollection / bufferSize;
int buff = 0;
List<SimpleFeatureCollection> buffers = new ArrayList<SimpleFeatureCollection>();
for (int i = 0; i < numBuffs; i++) {
int buffB = buff;
buff += bufferSize * (i + 1);
Set<FeatureId> fids = new HashSet<FeatureId>();
for (int id = buffB + 1; id < buff + 1; id++) {
fids.add(ff.featureId(shapefilename + id));
}
Filter filter = ff.id(fids);
SimpleFeatureCollection featuresF1 = null;
try {
featuresF1 = featureSource.getFeatures(filter);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
buffers.add(featuresF1);
}
Set<FeatureId> fids = new HashSet<FeatureId>();
for (int id = buff + 1; id < sizeFeatureCollection + 1; id++) {
fids.add(ff.featureId(shapefilename + id));
}
Filter filter = ff.id(fids);
SimpleFeatureCollection featuresF1 = null;
try {
featuresF1 = featureSource.getFeatures(filter);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
buffers.add(featuresF1);
// (i,j) pairs of buffers
for (int i = 0; i < numBuffs + 1; i++) {
System.out.println("B1: " + i);
List<double[]> temp1List = new ArrayList<double[]>();
SimpleFeatureCollection features1 = buffers.get(i);
try (SimpleFeatureIterator iterator = features1.features()) {
while (iterator.hasNext()) {
BoundingBox a1b = iterator.next().getBounds();
double[] a1m = new double[4];
a1m[0] = a1b.getMinX();
a1m[1] = a1b.getMaxX();
a1m[2] = a1b.getMinY();
a1m[3] = a1b.getMaxY();
temp1List.add(a1m);
}
}
int numF1 = temp1List.size();
// j=i
System.out.println("B2: " + i);
for (int id1 = 0; id1 < numF1; id1++) {
double[] a1m = temp1List.get(id1);
for (int id2 = id1 + 1; id2 < numF1; id2++) {
double[] a2m = temp1List.get(id2);
if (GeometryRelated.rectangleIntersect(a1m, a2m)) {
sum += 2;
}
}
}
// j>i
for (int j = i + 1; j < numBuffs + 1; j++) {
System.out.println("B2: " + j);
List<double[]> temp2List = new ArrayList<double[]>();
SimpleFeatureCollection features2 = buffers.get(j);
try (SimpleFeatureIterator iterator = features2.features()) {
while (iterator.hasNext()) {
BoundingBox a2b = iterator.next().getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
temp2List.add(a2m);
}
}
int numF2 = temp2List.size();
for (int id1 = 0; id1 < numF1; id1++) {
double[] a1m = temp1List.get(id1);
for (int id2 = 0; id2 < numF2; id2++) {
double[] a2m = temp2List.get(id2);
if (GeometryRelated.rectangleIntersect(a1m, a2m)) {
sum += 2;
}
}
}
}
}
store.dispose();
System.out.println("Total MBR Intersection#:" + sum);
System.out.println(
"Average Intersection Degree: " + ((double) sum / ((double) sizeFeatureCollection)));
}
public static void getAIDBuffer(String filename, int bufferSize) {
File file = new File(filename);
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
int sum = 0;
int buf = 0;
List<double[]> temp1GeometryList = new ArrayList<double[]>();
try (SimpleFeatureIterator iterator = featureCollection.features()) {
while (iterator.hasNext()) {
buf++;
BoundingBox a1b = iterator.next().getBounds();
double[] a1m = new double[4];
a1m[0] = a1b.getMinX();
a1m[1] = a1b.getMaxX();
a1m[2] = a1b.getMinY();
a1m[3] = a1b.getMaxY();
temp1GeometryList.add(a1m);
if (buf % bufferSize == 0) {
System.out.println("Buffer 1.");
try (SimpleFeatureIterator iterator2 = featureCollection.features()) {
List<double[]> temp2GeometryList = new ArrayList<double[]>();
int buf2 = 0;
while (iterator2.hasNext()) {
buf2++;
BoundingBox a2b = iterator2.next().getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
temp2GeometryList.add(a2m);
if (buf2 % bufferSize == 0) {
System.out.println("Buffer 2.");
for (double[] a11m : temp1GeometryList) {
for (double[] a22m : temp2GeometryList) {
if (GeometryRelated.rectangleIntersect(a11m, a22m)) {
sum += 1;
}
}
}
temp2GeometryList = new ArrayList<double[]>();
}
}
System.out.println("Buffer 2 left.");
for (double[] a11m : temp1GeometryList) {
for (double[] a22m : temp2GeometryList) {
if (GeometryRelated.rectangleIntersect(a11m, a22m)) {
sum += 1;
}
}
}
temp1GeometryList = new ArrayList<double[]>();
}
}
}
System.out.println("Buffer 1 left.");
try (SimpleFeatureIterator iterator2 = featureCollection.features()) {
List<double[]> temp2GeometryList = new ArrayList<double[]>();
int buf2 = 0;
while (iterator2.hasNext()) {
buf2++;
BoundingBox a2b = iterator2.next().getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
temp2GeometryList.add(a2m);
if (buf2 % bufferSize == 0) {
System.out.println("Buffer 2.");
for (double[] a11m : temp1GeometryList) {
for (double[] a22m : temp2GeometryList) {
if (GeometryRelated.rectangleIntersect(a11m, a22m)) {
sum += 1;
}
}
}
temp2GeometryList = new ArrayList<double[]>();
}
}
System.out.println("Buffer 2 left.");
for (double[] a11m : temp1GeometryList) {
for (double[] a22m : temp2GeometryList) {
if (GeometryRelated.rectangleIntersect(a11m, a22m)) {
sum += 1;
}
}
}
}
}
store.dispose();
sum -= sizeFeatureCollection;
System.out.println("Total MBR Intersection#:" + sum);
System.out.println(
"Average Intersection Degree: " + ((double) sum / ((double) sizeFeatureCollection)));
}
// Not efficient: for each a1, a2 will iterate over the whole dataset
public static void getAIDSemiBuffer(String filename) {
File file = new File(filename);
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
int sum = 0;
int it1 = 0;
int buf1 = 0;
List<double[]> tempGeometryList1 = new ArrayList<double[]>();
// List<Geometry> GeometryList = new ArrayList<Geometry>(sizeFeatureCollection);
try (SimpleFeatureIterator iterator = featureCollection.features()) {
while (iterator.hasNext()) {
buf1++;
SimpleFeature feature = iterator.next();
BoundingBox a1b = feature.getBounds();
double[] a1m = new double[4];
a1m[0] = a1b.getMinX();
a1m[1] = a1b.getMaxX();
a1m[2] = a1b.getMinY();
a1m[3] = a1b.getMaxY();
tempGeometryList1.add(a1m);
if (buf1 % 10000 == 0) {
for (double[] a1m1 : tempGeometryList1) {
it1++;
// TODO: don't get g2 for each a11 in g1, but share it!
try (SimpleFeatureIterator iterator2 = featureCollection.features()) {
int it2 = 0;
int buf2 = 0;
List<double[]> tempGeometryList2 = new ArrayList<double[]>();
while (iterator2.hasNext()) {
it2++;
SimpleFeature feature2 = iterator2.next();
// String a2ID = feature2.getID();
if (it1 != it2) {
buf2++;
BoundingBox a2b = feature2.getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
tempGeometryList2.add(a2m);
}
if (buf2 % 10000 == 0) {
for (double[] a2m1 : tempGeometryList2) {
if (GeometryRelated.rectangleIntersect(a1m1, a2m1)) {
sum += 1;
}
}
tempGeometryList2 = new ArrayList<double[]>();
}
}
for (double[] a2m1 : tempGeometryList2) {
if (GeometryRelated.rectangleIntersect(a1m1, a2m1)) {
sum += 1;
}
}
}
}
tempGeometryList1 = new ArrayList<double[]>();
}
}
for (double[] a1m1 : tempGeometryList1) {
it1++;
try (SimpleFeatureIterator iterator2 = featureCollection.features()) {
int it2 = 0;
int buf2 = 0;
List<double[]> tempGeometryList2 = new ArrayList<double[]>();
while (iterator2.hasNext()) {
it2++;
SimpleFeature feature2 = iterator2.next();
// String a2ID = feature2.getID();
if (it1 != it2) {
buf2++;
BoundingBox a2b = feature2.getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
tempGeometryList2.add(a2m);
}
if (buf2 % 10000 == 0) {
for (double[] a2m1 : tempGeometryList2) {
if (GeometryRelated.rectangleIntersect(a1m1, a2m1)) {
sum += 1;
}
}
tempGeometryList2 = new ArrayList<double[]>();
}
}
for (double[] a2m1 : tempGeometryList2) {
if (GeometryRelated.rectangleIntersect(a1m1, a2m1)) {
sum += 1;
}
}
}
}
} finally {
store.dispose();
}
System.out.println("Total MBR Intersection:" + sum);
System.out.println(
"Average Intersection Degree: " + ((double) sum / ((double) sizeFeatureCollection)));
}
public static void getAIDNoBuffer(String filename) {
File file = new File(filename);
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
int sum = 0;
// List<Geometry> GeometryList = new ArrayList<Geometry>(sizeFeatureCollection);
try (SimpleFeatureIterator iterator = featureCollection.features()) {
while (iterator.hasNext()) {
try (SimpleFeatureIterator iterator2 = featureCollection.features()) {
SimpleFeature feature = iterator.next();
String a1ID = feature.getID();
// System.out.println(a1ID);
BoundingBox a1b = feature.getBounds();
double[] a1m = new double[4];
a1m[0] = a1b.getMinX();
a1m[1] = a1b.getMaxX();
a1m[2] = a1b.getMinY();
a1m[3] = a1b.getMaxY();
// original code that is not chunk
while (iterator2.hasNext()) {
SimpleFeature feature2 = iterator2.next();
String a2ID = feature2.getID();
if (!a1ID.equals(a2ID)) {
BoundingBox a2b = feature2.getBounds();
double[] a2m = new double[4];
a2m[0] = a2b.getMinX();
a2m[1] = a2b.getMaxX();
a2m[2] = a2b.getMinY();
a2m[3] = a2b.getMaxY();
if (GeometryRelated.rectangleIntersect(a1m, a2m)) {
sum += 1;
}
}
}
}
}
}
store.dispose();
System.out.println("Total MBR Intersection:" + sum);
System.out.println(
"Average Intersection Degree: " + ((double) sum / ((double) sizeFeatureCollection)));
}
public static void getAIDMemBound(String filename) {
File file = new File(filename);
FileDataStore store = null;
try {
store = FileDataStoreFinder.getDataStore(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureSource featureSource = null;
try {
featureSource = store.getFeatureSource();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleFeatureCollection featureCollection = null;
try {
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // get features from source
int sizeFeatureCollection = featureCollection.size();
System.out.println(
"The number of features in the shapefile is: " + sizeFeatureCollection + ".");
int sum = 0;
List<double[]> mbrList = new ArrayList<double[]>(sizeFeatureCollection);
try (SimpleFeatureIterator iterator = featureCollection.features()) {
while (iterator.hasNext()) {
BoundingBox a1b = iterator.next().getBounds();
double[] a1m = new double[4];
a1m[0] = a1b.getMinX();
a1m[1] = a1b.getMaxX();
a1m[2] = a1b.getMinY();
a1m[3] = a1b.getMaxY();
mbrList.add(a1m);
}
}
for (int i = 0; i < sizeFeatureCollection; i++) {
int inter = 0;
double[] a1m = mbrList.get(i);
for (int j = i + 1; j < sizeFeatureCollection; j++) {
double[] a2m = mbrList.get(j);
if (GeometryRelated.rectangleIntersect(a1m, a2m)) {
sum += 2;
inter++;
}
}
if (inter > 200) {
System.out.println(inter + "," + i);
}
}
store.dispose();
// sum -= sizeFeatureCollection;
System.out.println("Total MBR Intersection:" + sum);
System.out.println(
"Average Intersection Degree: " + ((double) sum / ((double) sizeFeatureCollection)));
}