root / org.gvsig.geotools.proj / trunk / org.gvsig.geotools.proj / org.gvsig.geotools.proj.catalog.impl / src / main / java / org / gvsig / geotools / proj / catalog / DefaultTransformationDefinition.java @ 867
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package org.gvsig.geotools.proj.catalog; |
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import java.util.ArrayList; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Set; |
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import org.geotools.metadata.iso.citation.Citations; |
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import org.geotools.referencing.operation.transform.ConcatenatedTransform; |
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import org.geotools.referencing.wkt.Formatter; |
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import org.geotools.referencing.wkt.Symbols; |
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import org.gvsig.geotools.proj.catalog.extent.DefaultExtent; |
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import org.gvsig.geotools.proj.catalog.extent.DefaultGeographicBoundingBox; |
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import org.gvsig.geotools.proj.catalog.extent.DefaultVerticalExtent; |
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import org.gvsig.geotools.proj.catalog.utils.GtUtils; |
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import org.gvsig.proj.catalog.CRSDefinition; |
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import org.gvsig.proj.catalog.TextSerialization.Format; |
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import org.gvsig.proj.catalog.TextSerialization.WKTConvention; |
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import org.gvsig.proj.catalog.TransformationDefinition; |
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import org.gvsig.proj.catalog.exception.CoordinateReferenceSystemException; |
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import org.gvsig.proj.catalog.exception.NoninvertibleTransformException; |
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import org.gvsig.proj.catalog.exception.TransformationException; |
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import org.gvsig.proj.catalog.exception.UnsupportedFormatException; |
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import org.gvsig.proj.catalog.exception.UnsupportedTransformationException; |
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import org.gvsig.proj.catalog.extent.Extent; |
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import org.gvsig.proj.catalog.extent.GeographicBoundingBox; |
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import org.gvsig.proj.catalog.extent.VerticalExtent; |
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import org.opengis.referencing.ReferenceIdentifier; |
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import org.opengis.referencing.operation.ConcatenatedOperation; |
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import org.opengis.referencing.operation.CoordinateOperation; |
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import org.opengis.referencing.operation.MathTransform; |
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import org.opengis.referencing.operation.PassThroughOperation; |
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import org.opengis.referencing.operation.Projection; |
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import org.opengis.referencing.operation.SingleOperation; |
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import org.opengis.referencing.operation.Transformation; |
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public class DefaultTransformationDefinition implements TransformationDefinition { |
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final private CoordinateOperation operation; |
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final private MathTransform mathTransform; |
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final private DefaultCRSDefinition source; |
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final private DefaultCRSDefinition target; |
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// FIXME: do we need the inverse concept in the definition??
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final private boolean inverse; |
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/**
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* Creates a DefaultTransformationDefinition object
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*
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* @param operation
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* @param source
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* @param target
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* @throws UnsupportedTransformationException
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*/
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public DefaultTransformationDefinition(CoordinateOperation operation,
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DefaultCRSDefinition source, DefaultCRSDefinition target) |
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throws UnsupportedTransformationException {
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if (source.getInternalCRS().equals(operation.getSourceCRS())
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&& target.getInternalCRS().equals(operation.getTargetCRS())) {
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this.inverse = false; |
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} |
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else if (source.getInternalCRS().equals(operation.getTargetCRS()) |
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&& target.getInternalCRS().equals(operation.getSourceCRS())) {
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this.inverse = true; |
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} |
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else {
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throw new UnsupportedTransformationException( |
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"The provided source and target do not match any of the sources and targets of the provided operation");
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} |
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if (inverse) {
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try {
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this.mathTransform = operation.getMathTransform().inverse();
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} catch (org.opengis.referencing.operation.NoninvertibleTransformException e) {
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throw new UnsupportedTransformationException(e); |
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} |
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} |
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else {
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this.mathTransform = operation.getMathTransform();
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} |
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this.operation = operation;
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this.source = source;
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this.target = target;
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} |
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/**
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* Creates a DefaultTransformationDefinition object
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*
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* @param mathTransform
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* @param source
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* @param target
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* @throws UnsupportedTransformationException
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*/
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public DefaultTransformationDefinition(MathTransform mathTransform,
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DefaultCRSDefinition source, DefaultCRSDefinition target) throws CoordinateReferenceSystemException {
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this.mathTransform = mathTransform;
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this.inverse = false; |
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this.operation = null; |
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this.source = source;
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this.target = target;
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} |
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public CoordinateOperation getInternalOperation() {
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return operation;
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} |
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@Override
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public DefaultCRSDefinition getSourceDefinition() {
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return source;
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} |
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@Override
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public DefaultCRSDefinition getTargetDefinition() {
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return target;
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} |
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@Override
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public String getName() { |
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if (operation != null) { |
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return nameFromOperation(operation);
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} |
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return nameFromMathTransform();
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} |
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protected String nameFromMathTransform() { |
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StringBuilder meaningfulName = new StringBuilder(); |
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appendSourceTargetToName(meaningfulName); |
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meaningfulName.append(" using ");
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meaningfulName.append(mathTransform.getClass().getSimpleName()); |
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return meaningfulName.toString();
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} |
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protected void appendSourceTargetToName(StringBuilder builder) { |
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builder.append(source.getName()); |
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builder.append(" to ");
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builder.append(target.getName()); |
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} |
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protected String nameFromOperation(CoordinateOperation op) { |
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if (op instanceof ConcatenatedOperation) { |
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StringBuilder meaningfulName = new StringBuilder(); |
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List<SingleOperation> opList = ((ConcatenatedOperation) op).getOperations();
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for (SingleOperation singleOp: opList) {
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if (singleOp instanceof Transformation) { |
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String id = GtUtils.getIdentifier(singleOp);
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if (id!=null) { |
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meaningfulName.append(id).append("-based concat operation").append(" - "); |
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} |
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if (singleOp.getName() != null) { |
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meaningfulName.append(singleOp.getName()); |
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} |
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} |
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} |
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if (op.getName() != null) { |
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if (meaningfulName.length()==0) { |
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meaningfulName.append("Concat operation");
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} |
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} |
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if (meaningfulName.length()>0) { |
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return meaningfulName.toString();
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} |
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} |
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else if (op instanceof PassThroughOperation) { |
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return nameFromOperation(((PassThroughOperation)op).getOperation());
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} |
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if (op.getName() !=null) { |
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return op.getName().toString().replace("\u21e8", "=>"); |
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} |
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return nameFromMathTransform();
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} |
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@Override
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public String getIdentifier() { |
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if (operation==null) { |
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return null; |
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} |
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return GtUtils.getIdentifier(operation);
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} |
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@Override
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public Set<String> getIdentifiers() { |
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HashSet<String> ids = new HashSet<String>(); |
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for (ReferenceIdentifier id: operation.getIdentifiers()) {
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ids.add(id.toString()); |
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} |
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return ids;
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} |
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@Override
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public String getAuthorityName() { |
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if (operation==null || |
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operation.getName()==null ||
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operation.getName().getAuthority()==null) {
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return null; |
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} |
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return GtUtils.getIdentifier(operation.getName().getAuthority().getIdentifiers());
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} |
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@Override
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public String getOperationVersion() { |
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if (operation==null) { |
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return null; |
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} |
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return operation.getOperationVersion();
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} |
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@Override
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public Extent getDomainOfValidity() {
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org.opengis.metadata.extent.Extent extent = operation.getDomainOfValidity(); |
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if (extent != null) { |
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String desc;
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if (operation.getDomainOfValidity().getDescription() != null) { |
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desc = operation.getDomainOfValidity().getDescription().toString(); |
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} |
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else {
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desc = null;
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} |
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ArrayList<GeographicBoundingBox> horizontalExtentList = new ArrayList<GeographicBoundingBox>(); |
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for (org.opengis.metadata.extent.GeographicExtent horizExtent: operation.getDomainOfValidity().getGeographicElements()) {
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if (horizExtent instanceof org.opengis.metadata.extent.GeographicBoundingBox) { |
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DefaultGeographicBoundingBox bb = new DefaultGeographicBoundingBox(
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((org.opengis.metadata.extent.GeographicBoundingBox) horizExtent).getWestBoundLongitude(), |
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((org.opengis.metadata.extent.GeographicBoundingBox) horizExtent).getEastBoundLongitude(), |
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((org.opengis.metadata.extent.GeographicBoundingBox) horizExtent).getNorthBoundLatitude(), |
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((org.opengis.metadata.extent.GeographicBoundingBox) horizExtent).getSouthBoundLatitude()); |
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horizontalExtentList.add(bb); |
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} |
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} |
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ArrayList<VerticalExtent> vertExtentList = new ArrayList<VerticalExtent>(); |
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for (org.opengis.metadata.extent.VerticalExtent verticalExtent: operation.getDomainOfValidity().getVerticalElements()) {
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DefaultVerticalExtent ve = new DefaultVerticalExtent(
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new DefaultCRSDefinition(verticalExtent.getVerticalCRS()),
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verticalExtent.getMinimumValue(), |
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verticalExtent.getMaximumValue() |
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); |
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vertExtentList.add(ve); |
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} |
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return new DefaultExtent(desc, horizontalExtentList, vertExtentList); |
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} |
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return null; |
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} |
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@Override
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public String getDescription() { |
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if (operation==null) { |
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return null; |
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} |
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StringBuilder desc = new StringBuilder(); |
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CoordinateOperation op = GtUtils.getDefiningOperation(operation); |
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if (op!=null) { |
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fillDescription(op, desc); |
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if (desc.length()>0) { |
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return desc.toString();
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} |
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} |
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fillDescription(operation, desc); |
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return desc.toString();
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} |
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protected StringBuilder fillDescription(CoordinateOperation op, StringBuilder desc) { |
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if (op.getName() != null) { |
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desc.append("Summary: Concatenated operation");
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String id = GtUtils.getIdentifier(op);
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if (id!=null) { |
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desc.append(" based on ").append(id).append(","); |
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} |
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desc.append(" transforming ");
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desc.append(op.getName().toString().replace("\u21e8", "=>")).append("\n"); |
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} |
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if (op.getScope() != null) { |
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desc.append("Scope: ").append(op.getScope());
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} |
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if (op.getRemarks() != null) { |
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if (desc.length()>0) { |
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desc.append("\nRemarks: ");
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} |
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else {
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desc.append("Remarks: ");
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} |
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desc.append(op.getRemarks()); |
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} |
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if (op.getDomainOfValidity() != null && |
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op.getDomainOfValidity().getDescription() != null) {
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if (desc.length()>0) { |
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desc.append("\nDomain: ");
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} |
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else {
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desc.append("Domain: ");
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} |
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desc.append(op.getDomainOfValidity().getDescription()); |
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} |
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return desc;
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} |
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@Override
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public TransformationDefinition getInverseDefinition()
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throws NoninvertibleTransformException, UnsupportedTransformationException { |
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if (this.operation==null) { |
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try {
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return new DefaultTransformationDefinition(mathTransform.inverse(), target, source); |
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} catch (CoordinateReferenceSystemException
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| org.opengis.referencing.operation.NoninvertibleTransformException e) {
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throw new NoninvertibleTransformException(e); |
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} |
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} |
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return new DefaultTransformationDefinition(this.operation, target, source); |
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} |
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@Override
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public String toWKT() throws UnsupportedOperationException { |
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return mathTransform.toWKT();
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} |
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@Override
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public String export(Format format) throws UnsupportedFormatException { |
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if (format==Format.WKT1) { |
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return toWKT();
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} |
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throw new UnsupportedFormatException(format); |
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} |
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@Override
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public String export(Format format, WKTConvention convention, int indentation) throws UnsupportedFormatException { |
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if (format==Format.WKT1) { |
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Formatter formatter = new Formatter(Symbols.DEFAULT, indentation); |
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if (convention==WKTConvention.EPSG) {
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formatter.setAuthority(Citations.EPSG); |
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} |
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else if (convention==WKTConvention.ESRI) { |
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formatter.setAuthority(Citations.ESRI); |
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} |
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formatter.append(mathTransform); |
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return formatter.toString();
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} |
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throw new UnsupportedFormatException(format); |
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} |
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public MathTransform getMathTransform() {
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return mathTransform;
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} |
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@Override
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public String toString() { |
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return getName();
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} |
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@Override
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public boolean equals(Object obj) { |
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// TODO Auto-generated method stub
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return super.equals(obj); |
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} |
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} |