@Override
public MultiLineString apply(LineString object) throws UnconvertibleObjectException {
final MultiLineString geom =
object.getFactory().createMultiLineString(new LineString[] {object});
geom.setSRID(object.getSRID());
geom.setUserData(object.getUserData());
return geom;
}
/**
* Adds an Edge, DirectedEdges, and Nodes for the given LineString representation of an edge.
* Snaps all vertices according to GraphParams.GLOBAL_SNAP_DIST
*
* @param lineString
* @param id : the id coming out of OSM
*/
public void addLineString(
LineString lineString, int id, short envType, short cykType, double groenM) {
distancesCalculated = false;
if (lineString.isEmpty()) {
return;
}
if (lineString.getCoordinates().length < 2) {
System.exit(1);
}
Coordinate[] coordinates = lineString.getCoordinates();
modifyEnvelope(coordinates);
if (GraphParams.getInstance().getSnap()) {
double sd = GraphParams.getInstance().getSnapDistance();
for (Coordinate c : coordinates) {
c.x = c.x - (c.x % sd);
c.y = c.y - (c.y % sd);
}
}
Edge edge = getLineMergeGraphH4cked().addEdge(lineString);
edgeId__edge.put(id, edge);
if (edge != null) { // edge might not have been added because of coinciding coordinates
if (lineString.getUserData() == null) lineString.setUserData(new HashMap<String, Object>(3));
@SuppressWarnings("unchecked")
HashMap<String, Object> userdata = (HashMap<String, Object>) lineString.getUserData();
// HashMap<String, Object> hm = new HashMap<String, Object>();
userdata.put("id", id);
userdata.put("et", envType);
userdata.put("ct", cykType);
userdata.put("gm", groenM); // groenM
userdata.put("geom", lineString);
edge.setData(userdata);
// add edge data to the spatial index
}
}
/**
* Create a new instance of the builder giving the split line, the feature list and the CRS which
* the operation will be based on.
*
* @param featureList A non empty list of features.
* @param splitLine The split line.
* @param desiredCRS the crs where the split operation is done it
* @return a new instance of the builder.
*/
public static SplitFeatureBuilder newInstance(
final List<SimpleFeature> featureList,
final LineString splitLine,
final CoordinateReferenceSystem desiredCRS)
throws SplitFeatureBuilderFailException {
if (featureList == null)
throw new NullPointerException("The source feature list is required"); // $NON-NLS-1$
if (splitLine == null)
throw new NullPointerException("The split line is required"); // $NON-NLS-1$
if (desiredCRS == null)
throw new NullPointerException("The desired crs is required, i.e: map crs"); // $NON-NLS-1$
if (!(splitLine.getUserData() instanceof CoordinateReferenceSystem))
throw new IllegalArgumentException(
"Set the crs of the line before calling newInstance (splitLine.setUserData(CoordinateReferenceSystem))"); //$NON-NLS-1$
LOGGER.fine("featureList parameter:" + prettyPrint(featureList)); // $NON-NLS-1$
LOGGER.fine("splitLine parameter:" + splitLine.toText()); // $NON-NLS-1$
LOGGER.fine(((CoordinateReferenceSystem) splitLine.getUserData()).toWKT());
try {
LineString splitReprojected =
(LineString)
GeoToolsUtils.reproject(
splitLine, (CoordinateReferenceSystem) splitLine.getUserData(), desiredCRS);
SplitFeatureBuilder sfb = new SplitFeatureBuilder();
sfb.splitLine = splitReprojected;
sfb.splitStrategy = new SplitStrategy(splitLine);
sfb.splitResultList = null;
sfb.originalGeometryList = new LinkedList<Geometry>();
sfb.featuresThatSufferedSplit = new LinkedList<SimpleFeature>();
sfb.featureList = featureList;
sfb.desiredCRS = desiredCRS;
return sfb;
} catch (Exception e) {
throw makeFailException(e);
}
}
@DescribeResult(name = "result", description = "The contours feature collection")
public SimpleFeatureCollection execute(
@DescribeParameter(name = "data", description = "The raster to be used as the source")
GridCoverage2D gc2d,
@DescribeParameter(
name = "band",
description = "The source image band to process",
min = 0,
max = 1)
Integer band,
@DescribeParameter(name = "levels", description = "Values for which to generate contours")
double[] levels,
@DescribeParameter(
name = "interval",
description = "Interval between contour values (ignored if levels arg is supplied)",
min = 0)
Double interval,
@DescribeParameter(
name = "simplify",
description = "Values for which to generate contours",
min = 0)
Boolean simplify,
@DescribeParameter(
name = "smooth",
description = "Values for which to generate contours",
min = 0)
Boolean smooth,
@DescribeParameter(
name = "roi",
description = "The geometry used to delineate the area of interest in model space",
min = 0)
Geometry roi,
ProgressListener progressListener)
throws ProcessException {
//
// initial checks
//
if (gc2d == null) {
throw new ProcessException("Invalid input, source grid coverage should be not null");
}
if (band != null && (band < 0 || band >= gc2d.getNumSampleDimensions())) {
throw new ProcessException("Invalid input, invalid band number:" + band);
}
boolean hasValues = !(levels == null || levels.length == 0);
if (!hasValues && interval == null) {
throw new ProcessException("One between interval and values must be valid");
}
// switch to geophisics if necessary
gc2d = gc2d.view(ViewType.GEOPHYSICS);
//
// GRID TO WORLD preparation
//
final AffineTransform mt2D =
(AffineTransform) gc2d.getGridGeometry().getGridToCRS2D(PixelOrientation.CENTER);
// get the list of nodata, if any
List<Object> noDataList = new ArrayList<Object>();
for (GridSampleDimension sd : gc2d.getSampleDimensions()) {
// grab all the explicit nodata
final double[] sdNoData = sd.getNoDataValues();
if (sdNoData != null) {
for (double nodata : sdNoData) {
noDataList.add(nodata);
}
}
// handle also readers setting up nodata in a category with a specific name
if (sd.getCategories() != null) {
for (Category cat : sd.getCategories()) {
if (cat.getName().equals(NO_DATA)) {
final NumberRange<? extends Number> catRange = cat.getRange();
if (catRange.getMinimum() == catRange.getMaximum()) {
noDataList.add(catRange.getMinimum());
} else {
Range<Double> noData =
new Range<Double>(
catRange.getMinimum(),
catRange.isMinIncluded(),
catRange.getMaximum(),
catRange.isMaxIncluded());
noDataList.add(noData);
}
}
}
}
}
// get the rendered image
final RenderedImage raster = gc2d.getRenderedImage();
// perform jai operation
ParameterBlockJAI pb = new ParameterBlockJAI("Contour");
pb.setSource("source0", raster);
if (roi != null) {
pb.setParameter("roi", CoverageUtilities.prepareROI(roi, mt2D));
}
if (band != null) {
pb.setParameter("band", band);
}
if (interval != null) {
pb.setParameter("interval", interval);
} else {
final ArrayList<Double> elements = new ArrayList<Double>(levels.length);
for (double level : levels) elements.add(level);
pb.setParameter("levels", elements);
}
if (simplify != null) {
pb.setParameter("simplify", simplify);
}
if (smooth != null) {
pb.setParameter("smooth", smooth);
}
if (noDataList != null) {
pb.setParameter("nodata", noDataList);
}
final RenderedOp dest = JAI.create("Contour", pb);
@SuppressWarnings("unchecked")
final Collection<LineString> prop =
(Collection<LineString>) dest.getProperty(ContourDescriptor.CONTOUR_PROPERTY_NAME);
// wrap as a feature collection and return
final SimpleFeatureType schema = CoverageUtilities.createFeatureType(gc2d, LineString.class);
final SimpleFeatureBuilder builder = new SimpleFeatureBuilder(schema);
int i = 0;
final ListFeatureCollection featureCollection = new ListFeatureCollection(schema);
final AffineTransformation jtsTransformation =
new AffineTransformation(
mt2D.getScaleX(),
mt2D.getShearX(),
mt2D.getTranslateX(),
mt2D.getShearY(),
mt2D.getScaleY(),
mt2D.getTranslateY());
for (LineString line : prop) {
// get value
Double value = (Double) line.getUserData();
line.setUserData(null);
// filter coordinates in place
line.apply(jtsTransformation);
// create feature and add to list
builder.set("the_geom", line);
builder.set("value", value);
featureCollection.add(builder.buildFeature(String.valueOf(i++)));
}
// return value
return featureCollection;
}