root / org.gvsig.geotools.proj / trunk / org.gvsig.geotools.proj / org.gvsig.geotools.proj.catalog.impl / src / main / java / org / gvsig / geotools / proj / catalog / DefaultCRSDefinition.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.CRS; |
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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.datum.DefaultDatum; |
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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.CRSType; |
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import org.gvsig.proj.catalog.CoordinateSystemAxis; |
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import org.gvsig.proj.catalog.TextSerialization; |
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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.datum.Datum; |
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import org.gvsig.proj.catalog.exception.CoordinateReferenceSystemException; |
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import org.gvsig.proj.catalog.exception.UnsupportedCoordinateReferenceSystemException; |
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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.metadata.Identifier; |
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import org.opengis.referencing.FactoryException; |
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import org.opengis.referencing.ReferenceIdentifier; |
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import org.opengis.referencing.crs.CompoundCRS; |
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import org.opengis.referencing.crs.CoordinateReferenceSystem; |
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import org.opengis.referencing.crs.GeneralDerivedCRS; |
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import org.opengis.referencing.crs.GeocentricCRS; |
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import org.opengis.referencing.crs.GeographicCRS; |
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import org.opengis.referencing.crs.ProjectedCRS; |
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import org.opengis.referencing.crs.SingleCRS; |
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import org.opengis.referencing.crs.TemporalCRS; |
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import org.opengis.referencing.crs.VerticalCRS; |
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import org.opengis.referencing.operation.Conversion; |
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public class DefaultCRSDefinition implements CRSDefinition { |
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/**
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* Coordinate reference system in the original axis order
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*/
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final private CoordinateReferenceSystem origCrs; |
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/**
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* Coordinate reference system in the internal axis order (east-north)
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*/
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final private CoordinateReferenceSystem internalCrs; |
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final private String wkt; |
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private CoordinateReferenceSystem epsgCrs = null; |
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public DefaultCRSDefinition(CoordinateReferenceSystem crs) {
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this(crs, crs, null); |
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} |
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public DefaultCRSDefinition(CoordinateReferenceSystem crs, String wkt) { |
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this(crs, crs, wkt);
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} |
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public DefaultCRSDefinition(CoordinateReferenceSystem crs, CoordinateReferenceSystem eastNorthCrs, String wkt) { |
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this.origCrs = crs;
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this.wkt = wkt;
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this.internalCrs = eastNorthCrs;
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} |
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/**
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* Gets the Geotools instance backing this definition, using the gvSIG internal
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* axis order (east-north).
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* definition
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*
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* @return
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*/
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public CoordinateReferenceSystem getInternalCRS() {
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return internalCrs;
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} |
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/**
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* Gets the Geotools instance backing this definition, using the original,
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* unmodified axis order as defined by the defining authority or WKT string.
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*
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* @return
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*/
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public CoordinateReferenceSystem getOrigCRS() {
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return origCrs;
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} |
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@Override
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public String getName() { |
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if (origCrs.getName() != null) { |
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return origCrs.getName().getCode();
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} |
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if (getIdentifier() != null) { |
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return getIdentifier();
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} |
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StringBuilder name = new StringBuilder(); |
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if (origCrs.getCoordinateSystem().getName() != null) { |
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name.append(origCrs.getCoordinateSystem().getName()); |
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} |
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if (getDatum().getName() != null) { |
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if (name.length()>0) { |
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name.append(" - ");
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} |
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name.append(origCrs.getCoordinateSystem().getName()); |
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} |
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if (name.length()>0) { |
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return name.toString();
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} |
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return origCrs.getClass().getSimpleName();
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} |
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@Override
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public String getIdentifier() { |
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String id = GtUtils.getIdentifier(origCrs);
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if (id!=null) { |
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return id;
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} |
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return null; |
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/*return IdentifiedObjectUtils.getIdentifier(getEpsgCrs());*/
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} |
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/**
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* Gets an EPSG code which can be considered equivalent to this CRS or
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* null if not found
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* @return
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*/
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/*protected CoordinateReferenceSystem getEpsgCrs() {
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// FIXME: this method makes the class mutable
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if (epsgCrs==null) {
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try {
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String code = CRS.lookupIdentifier(Citations.EPSG, origCrs, true);
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if (code!=null) {
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epsgCrs = CRS.decode("EPSG:"+code);
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}
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}
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catch (FactoryException exc) {}
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}
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return epsgCrs;
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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: origCrs.getIdentifiers()) {
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ids.add(id.toString()); |
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} |
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/*
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if (!getAuthorityName().equals("EPSG") && getEpsgCrs() != null) {
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for (ReferenceIdentifier id: getEpsgCrs().getIdentifiers()) {
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ids.add(id.toString());
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}
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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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return GtUtils.getIdentifier(origCrs.getName().getAuthority().getIdentifiers());
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} |
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@Override
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public Extent getDomainOfValidity() {
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// FIXME: should we cache this?
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org.opengis.metadata.extent.Extent extent = origCrs.getDomainOfValidity(); |
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if (extent != null) { |
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String desc;
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if (origCrs.getDomainOfValidity().getDescription() != null) { |
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desc = origCrs.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: origCrs.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: origCrs.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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StringBuilder desc = new StringBuilder(); |
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if (origCrs.getScope() != null) { |
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desc.append("Scope: ").append(origCrs.getScope());
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} |
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if (origCrs.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(origCrs.getRemarks()); |
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} |
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if (origCrs.getDomainOfValidity() != null && |
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origCrs.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(origCrs.getDomainOfValidity().getDescription()); |
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} |
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return desc.toString();
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} |
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@Override
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public CRSType getType() {
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if (origCrs instanceof ProjectedCRS) { |
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return CRSType.ProjectedCRSType;
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} |
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if (origCrs instanceof GeographicCRS) { |
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return CRSType.GeographicCRSType;
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} |
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if (origCrs instanceof GeocentricCRS) { |
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return CRSType.GeocentricCRSType;
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} |
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if (origCrs instanceof GeneralDerivedCRS) { |
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return CRSType.OtherDerivedCRSType;
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} |
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if (origCrs instanceof CompoundCRS) { |
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return CRSType.CompoundCRSType;
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} |
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if (origCrs instanceof VerticalCRS) { |
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return CRSType.VerticalCRSType;
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} |
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if (origCrs instanceof TemporalCRS) { |
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return CRSType.TemporalCRSType;
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} |
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return CRSType.OtherCRSType;
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} |
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@Override
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public String toWKT() throws UnsupportedOperationException { |
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if (wkt!=null) { |
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return wkt;
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} |
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return export(Format.WKT1); |
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} |
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@Override
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public String toString() { |
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return (getIdentifier()!=null)?(getIdentifier() + " - " + getName()):getName(); |
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} |
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@Override
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public String export(Format format) throws UnsupportedOperationException { |
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return export(format, null, 2); |
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} |
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@Override
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public String export(TextSerialization.Format format, WKTConvention convention, int indentation) throws UnsupportedOperationException { |
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// FIXME: should we consider this.wkt if it is not null??
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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==null) { |
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formatter.append(this.origCrs);
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return formatter.toString();
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} |
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else if (convention==null || convention==WKTConvention.EPSG) { |
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formatter.setAuthority(Citations.EPSG); |
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if (!this.getAuthorityName().equals("EPSG")) { |
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String id;
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try {
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id = CRS.lookupIdentifier(Citations.EPSG, this.origCrs, true); |
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if (id!=null) { |
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if (!id.startsWith("EPSG:")) { |
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id = "EPSG:" + id;
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} |
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CoordinateReferenceSystem crs = CRS.decode(id); |
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formatter.append(crs); |
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return formatter.toString();
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} |
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} catch (FactoryException e) {
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} |
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} |
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formatter.append(this.origCrs);
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return formatter.toString();
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} |
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if (convention==WKTConvention.ESRI) {
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// FIXME: should we consider this.wkt if it is not null??
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formatter.setAuthority(Citations.ESRI); |
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formatter.append(this.origCrs);
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return formatter.toString();
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} |
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return toWKT();
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} |
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throw new UnsupportedOperationException("Format not supported"); |
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} |
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@Override
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public List<CRSDefinition> getComponents() { |
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if (origCrs instanceof CompoundCRS) { |
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ArrayList<CRSDefinition> list = new ArrayList<CRSDefinition>(); |
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for (CoordinateReferenceSystem component: ((CompoundCRS) origCrs).getCoordinateReferenceSystems()) {
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list.add(new DefaultCRSDefinition(component));
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} |
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return list;
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} |
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return null; |
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} |
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@Override
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public int getAxisCount() { |
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return origCrs.getCoordinateSystem().getDimension();
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} |
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@Override
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public CoordinateSystemAxis getAxis(int dimension) throws IndexOutOfBoundsException { |
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return new DefaultCoordinateSystemAxis(origCrs.getCoordinateSystem().getAxis(dimension)); |
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} |
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@Override
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public CoordinateSystemAxis getAxisInternal(int dimension) throws IndexOutOfBoundsException { |
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return new DefaultCoordinateSystemAxis(internalCrs.getCoordinateSystem().getAxis(dimension)); |
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} |
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@Override
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public CRSDefinition getBaseCRS() {
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// FIXME: consider the axis order of the base CRS
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if (origCrs instanceof GeneralDerivedCRS) { |
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CoordinateReferenceSystem base = ((GeneralDerivedCRS)origCrs).getBaseCRS(); |
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return new DefaultCRSDefinition(base); |
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} |
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return null; |
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} |
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@Override
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public TransformationDefinition getConversionFromBase() throws CoordinateReferenceSystemException { |
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DefaultCRSDefinition baseDef = (DefaultCRSDefinition) getBaseCRS(); |
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if (baseDef!=null) { |
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CoordinateReferenceSystem base = baseDef.getInternalCRS(); |
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Conversion conversion = ((GeneralDerivedCRS)origCrs).getConversionFromBase(); |
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return new DefaultTransformationDefinition(conversion, baseDef, this); |
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} |
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return null; |
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} |
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@Override
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public Datum getDatum() {
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if (origCrs instanceof SingleCRS) { |
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SingleCRS singleCrs = (SingleCRS)origCrs; |
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return new DefaultDatum(singleCrs.getDatum()); |
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} |
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else {
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SingleCRS horizontalCrs = CRS.getHorizontalCRS(origCrs); |
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return new DefaultDatum(horizontalCrs.getDatum()); |
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} |
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} |
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@Override
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public Object clone() throws CloneNotSupportedException { |
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return new DefaultCRSDefinition(this.origCrs, this.internalCrs, this.wkt); |
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} |
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@Override
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public boolean equals(Object obj) { |
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if (obj instanceof DefaultCRSDefinition) { |
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return origCrs.equals(((DefaultCRSDefinition)obj).getOrigCRS());
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} |
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if (obj instanceof CRSDefinition) { |
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return export(Format.WKT1, WKTConvention.EPSG, 0).equals(((CRSDefinition)obj).export(Format.WKT1, WKTConvention.EPSG, 0)); |
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} |
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return false; |
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} |
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@Override
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public boolean equals(CRSDefinition definition, boolean ignoreAxis, boolean ignoreMetadata) { |
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if (definition instanceof DefaultCRSDefinition) { |
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DefaultCRSDefinition def = (DefaultCRSDefinition) definition; |
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if (ignoreAxis) {
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if (ignoreMetadata) {
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return CRS.equalsIgnoreMetadata(this.internalCrs, def.getInternalCRS()); |
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} |
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else {
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return this.internalCrs.equals(def.getInternalCRS()); |
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} |
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} |
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else if (ignoreMetadata) { |
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return CRS.equalsIgnoreMetadata(this.origCrs, def.getOrigCRS()); |
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} |
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else {
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return CRS.equalsIgnoreMetadata(this.origCrs, def.getOrigCRS()); |
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} |
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} |
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else {
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return equals(definition);
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} |
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} |
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@Override
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public int hashCode() { |
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return origCrs.hashCode();
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} |
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} |