svn-gvsig-desktop / branches / Mobile_Compatible_Hito_1 / libFMap_mobile_shp_driver / src-file / org / gvsig / data / datastores / vectorial / file / shp / SHPStore.java @ 21927
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package org.gvsig.data.datastores.vectorial.file.shp; |
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import java.awt.geom.Point2D; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.lang.ref.WeakReference; |
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import java.nio.ByteOrder; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.apache.log4j.Logger; |
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import org.gvsig.data.CloseException; |
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import org.gvsig.data.DataCollection; |
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import org.gvsig.data.DataStoreParameters; |
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import org.gvsig.data.InitializeException; |
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import org.gvsig.data.OpenException; |
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import org.gvsig.data.ReadException; |
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import org.gvsig.data.WriteException; |
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import org.gvsig.data.datastores.vectorial.FeaturesWriter; |
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import org.gvsig.data.datastores.vectorial.file.dbf.DBFFeatureID; |
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import org.gvsig.data.datastores.vectorial.file.dbf.DBFStore; |
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import org.gvsig.data.datastores.vectorial.file.shp.utils.SHP; |
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import org.gvsig.data.datastores.vectorial.file.shp.utils.ShapeFileHeader2; |
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import org.gvsig.data.datastores.vectorial.file.shp_util.IGeometricDataStore; |
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import org.gvsig.data.spatialprovisionalold.Extent; |
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import org.gvsig.data.spatialprovisionalold.IExtent; |
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import org.gvsig.data.vectorial.AttributeDescriptor; |
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import org.gvsig.data.vectorial.DefaultFeatureType; |
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import org.gvsig.data.vectorial.Feature; |
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import org.gvsig.data.vectorial.FeatureAttributeDescriptor; |
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import org.gvsig.data.vectorial.FeatureCollection; |
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import org.gvsig.data.vectorial.FeatureID; |
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import org.gvsig.data.vectorial.FeatureType; |
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import org.gvsig.data.vectorial.IsNotAttributeSettingException; |
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import org.gvsig.data.vectorial.IsNotFeatureSettingException; |
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import org.gvsig.datasources.common.IBigByteBuffer; |
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import org.gvsig.datasources.common.IRandomFileChannel; |
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import org.gvsig.datasources.impljme.Impl; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryFactory; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.FShape; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.NullGeometry; |
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import org.gvsig.metadata.IMetadata; |
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import org.gvsig.metadata.IMetadataManager; |
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import org.gvsig.metadata.MetadataManager; |
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import org.opengis.filter.Filter; |
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import org.opengis.filter.sort.SortBy; |
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/**
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* This class was created by VCN and modified by jldominguez to make it
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* compatible with JME. Some interfaces are used to avoid the use of classes
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* that are not available on JME. See <tt>org.gvsig.datasources.common.*</tt>
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* for details.
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*
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* @see org.gvsig.datasources.common
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*
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* @author vcn
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* @author jldominguez
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*
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*/
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public class SHPStore extends DBFStore implements IGeometricDataStore { |
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private static Logger logger = Logger.getLogger(SHPStore.class); |
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public static String DATASTORE_NAME = "SHPStore"; |
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static {
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Register.selfRegister(); |
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} |
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private SHPStoreParameters shpParameters = null; |
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private File fileShp; |
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// private FileInputStream fin;
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private IRandomFileChannel channel;
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private IBigByteBuffer bb;
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private File fileShx; |
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// private FileInputStream finShx;
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private IRandomFileChannel channelShx;
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private IBigByteBuffer bbShx;
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private Extent extent;
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private int type; |
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private boolean onlyGeometry = false; |
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public void init(DataStoreParameters parameters) throws InitializeException { |
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super.init(parameters);
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featureType = super.getDefaultFeatureType();
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DefaultFeatureType ft_type = (DefaultFeatureType) featureType; |
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AttributeDescriptor dad = (AttributeDescriptor) ft_type.createNewAttributeDescriptor(); |
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dad.loading(); |
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// DefaultAttributeDescriptor dad = new DefaultAttributeDescriptor();
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dad.setOrdinal(featureType.size()); |
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try {
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dad.setName("GEOMETRY");
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dad.setType(FeatureAttributeDescriptor.TYPE_GEOMETRY); |
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} catch (IsNotAttributeSettingException e1) {
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throw new InitializeException(this.getName(), e1.getMessage()); |
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} |
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dad.stopLoading(); |
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featureType.add(dad); |
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featureType.setDefaultGeometry("GEOMETRY");
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SHPStoreParameters shpParameters = (SHPStoreParameters) parameters; |
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fileShp = shpParameters.getSHPFile(); |
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try {
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// fin = new FileInputStream(fileShp);
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// Open the file and then get a channel from the stream
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channel = Impl.getRandomFileChannel(fileShp); // fin.getChannel();
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// long size = channel.size();
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// Get the file's size and then map it into memory
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// bb = channel.map(FileChannel.MapMode.READ_ONLY, 0, size);
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bb = Impl.getBigByteBuffer(channel, |
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IRandomFileChannel.ACCESS_MODE_READ_ONLY); |
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fileShx = shpParameters.getSHXFile(); |
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// finShx = new FileInputStream(fileShx);
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// Open the file and then get a channel from the stream
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channelShx = Impl.getRandomFileChannel(fileShx); // finShx.getChannel();
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// long sizeShx = channelShx.size();
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// Get the file's size and then map it into memory
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// bb = channel.map(FileChannel.MapMode.READ_ONLY, 0, size);
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// bbShx = channelShx.map(FileChannel.MapMode.READ_ONLY, 0,
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// sizeShx);
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// bbShx = new IBigByteBuffer(channelShx,
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// FileChannel.MapMode.READ_ONLY);
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bbShx = Impl.getBigByteBuffer(channelShx, |
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IRandomFileChannel.ACCESS_MODE_READ_ONLY); |
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bbShx.order(ByteOrder.BIG_ENDIAN);
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} catch (FileNotFoundException e) { |
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throw new OpenException(getName(), e); |
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} catch (IOException e) { |
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throw new OpenException(getName(), e); |
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} |
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} |
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// private IFeatureAttributeDescriptor createFeatureAttribute(int i) {
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// char fieldType = dbf.getFieldType(i);
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// DefaultAttributeDescriptor dad=new DefaultAttributeDescriptor();
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// dad.setOrdinal(i);
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// dad.setName(dbf.getFieldName(i));
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// dad.setSize(dbf.getFieldLength(i));
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// if (fieldType == 'L') {
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// dad.setType(IFeatureAttributeDescriptor.TYPE_BOOLEAN);
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//
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// } else if ((fieldType == 'F') || (fieldType == 'N')) {
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// int precision = dbf.getFieldDecimalLength(i);
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// if (precision > 0){
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// dad.setType(IFeatureAttributeDescriptor.TYPE_DOUBLE);
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// dad.setPrecision(precision);
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// } else{
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// dad.setType(IFeatureAttributeDescriptor.TYPE_INT);
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// }
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// } else if (fieldType == 'C') {
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// dad.setType(IFeatureAttributeDescriptor.TYPE_STRING);
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// } else if (fieldType == 'D') {
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// dad.setType(IFeatureAttributeDescriptor.TYPE_DATE);
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// } else {
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// // throw new
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// BadFieldDriverException(getName(),null,String.valueOf(fieldType));
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// }
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// return dad;
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//
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// }
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protected void doFinishEdition() throws WriteException, ReadException { |
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FeaturesWriter writer = getFeaturesWriter(); |
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writer.init(this);
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writer.updateFeatureType(featureType); |
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writer.preProcess(); |
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Collection collection = getDataCollection();
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Iterator iterator = collection.iterator();
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Feature feature; |
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while (iterator.hasNext()) {
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feature = (Feature) iterator.next(); |
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writer.insertFeature(feature); |
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} |
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writer.postProcess(); |
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} |
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public DataCollection getDataCollection(FeatureType type, Filter filter, |
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SortBy[] order) throws ReadException { |
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if (type == null) { |
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type = getDefaultFeatureType(); |
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} |
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FeatureCollection coll; |
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if (order == null) { |
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coll = new ShpFeatureCollection(featureManager, this, type, filter); |
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} else {
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coll = new ShpFeatureCollectionWithFeatureID(featureManager, this, |
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type, filter, order); |
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} |
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this.addObserver(new WeakReference(coll)); |
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return coll;
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} |
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public Feature getFeatureByID(FeatureID id) throws ReadException { |
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if (this.alterMode) { |
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if (featureManager.contains(id)) {
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return featureManager.getFeature(id, this, featureType); |
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} |
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} |
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return getFeatureByPosition(featureType, ((DBFFeatureID) id).getIndex());
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} |
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public List getFeatureTypes() { |
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if (featureTypes.size() == 0) { |
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featureTypes.add(new Integer(0)); |
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featureTypes.set(0, getDefaultFeatureType());
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} |
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return featureTypes;
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} |
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public FeatureType getDefaultFeatureType() {
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FeatureType ft = featureType; |
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if (isEditing()) {
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// Aqu? hay que construir un FeatureType con los cambios que se
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// hayan hecho en la edici?n.
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return attributeManager.getFeatureType();
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} |
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return ft;
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} |
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public boolean isWithDefaultLegend() { |
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return false; |
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} |
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public Object getDefaultLegend() { |
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return null; |
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} |
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public Object getDefaultLabelingStrategy() { |
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return null; |
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} |
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public boolean canAlterFeatureType() { |
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return true; |
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} |
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public String getName() { |
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return DATASTORE_NAME;
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} |
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public void doOpen() throws OpenException { |
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.BEFORE_OPEN));
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super.doOpen();
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// create a new header.
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ShapeFileHeader2 myHeader = new ShapeFileHeader2();
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bb.position(0);
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// read the header
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myHeader.readHeader(bb); |
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extent = new Extent(myHeader.myXmin, myHeader.myYmin, myHeader.myXmax,
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myHeader.myYmax); |
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// extent = new Rectangle2D.Double(myHeader.myXmin, myHeader.myYmin,
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// myHeader.myXmax - myHeader.myXmin,
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// myHeader.myYmax - myHeader.myYmin);
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type = myHeader.myShapeType; |
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double x = myHeader.myXmin;
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double y = myHeader.myYmin;
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double w = myHeader.myXmax - myHeader.myXmin;
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double h = myHeader.myYmax - myHeader.myYmin;
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if (w == 0) { |
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x -= 0.1;
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w = 0.2;
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} |
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if (h == 0) { |
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y -= 0.1;
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h = 0.2;
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} |
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featureType.setGeometryTypes(new int[] { getGeometryType() }); |
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// String strFichDbf = m_Path.toLowerCase().replaceAll("\\.shp",
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// ".dbf");
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// String strFichDbf = fileShp.getAbsolutePath().replaceAll("\\.shp",
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// ".dbf");
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// strFichDbf = strFichDbf.replaceAll("\\.SHP", ".DBF");
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//
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// DbaseFileNIO m_FichDbf = new DbaseFileNIO();
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//
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// try {
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// m_FichDbf.open(new File(strFichDbf));
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// } catch (IOException e) {
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// // throw new FileNotFoundDriverException(getName(),e,strFichDbf);
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// }
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// numReg = m_FichDbf.getRecordCount();
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.AFTER_OPEN));
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} |
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public void doClose() throws CloseException { |
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.BEFORE_CLOSE));
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// super.close();
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CloseException ret = null;
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try {
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channel.close(); |
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channelShx.close(); |
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} catch (IOException e) { |
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ret = new CloseException(getName(), e);
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} finally {
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// try {
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// fin.close();
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// } catch (IOException e1) {
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// ret = new CloseException(getName(),e1);
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// }
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} |
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// if (ret != null) {
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// throw ret;
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// }
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bb = null;
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bbShx = null;
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super.doClose();
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.AFTER_CLOSE));
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} |
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public void doDispose() { |
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.BEFORE_DISPOSE));
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super.doDispose();
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// this.observable.notifyObservers(new
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// DefaultFeatureStoreNotification(this,
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// DefaultFeatureStoreNotification.AFTER_DISPOSE));
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} |
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public boolean isEditable() { |
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if (super.isEditable() && fileShp.canWrite() && fileShx.canWrite()) |
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return true; |
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return false; |
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} |
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public IMetadata getMetadata() throws BaseException { |
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if (metadata == null) { |
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IMetadataManager manager = MetadataManager.getManager(); |
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metadata = manager.create(DATASTORE_NAME); |
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IExtent extent = getFullExtent(); |
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metadata.set("extent", extent);
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String srs = getSRS();
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metadata.set("srs", srs);
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} |
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if (this.alterMode) { |
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Envelope extent = (Envelope) metadata.get("extent");
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FeatureCollection featureCollection = (FeatureCollection) getDataCollection(); |
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if (spatialManager.isFullExtentDirty()) {
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if (!featureCollection.isEmpty()) {
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Iterator featureIterator = featureCollection.iterator();
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extent = ((Feature) featureIterator.next()).getExtent(); |
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while (featureIterator.hasNext()) {
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Feature feature = (Feature) featureIterator.next(); |
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Envelope boundExtent = feature.getExtent(); |
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if (boundExtent != null) |
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extent.add(boundExtent); |
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} |
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} |
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} |
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metadata.set("extent", extent);
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} |
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return metadata;
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} |
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protected Feature getFeatureByPosition(FeatureType featureType,
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long position) throws ReadException { |
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ShpFeature feature = new ShpFeature(featureType, this, position); |
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// feature.loadOnlyGeometry(getGeometry(position));
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try {
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if (onlyGeometry) {
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feature.load(getGeometry(position)); |
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} else {
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feature.load(dbf, getGeometry(position)); |
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} |
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} catch (IsNotFeatureSettingException e) {
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logger.error("While loading feature: " + e.getMessage());
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} |
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return feature;
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} |
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protected FeaturesWriter getFeaturesWriter() {
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FeaturesWriter writer = new ShpFeaturesWriter();
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// writer.init(this);
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return writer;
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} |
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protected long getFeatureCount() { |
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return dbf.getRecordCount();
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} |
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public DataStoreParameters getParameters() {
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return parameters;
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} |
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private synchronized Geometry getGeometry(long position) { |
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Point2D p = new Point2D.Double(); |
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int numParts;
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int numPoints;
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int i;
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int j;
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int shapeType;
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GeometryFactory gFactory = GeometryManager.getInstance().getGeometryFactory(); |
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bb.position(getPositionForRecord(position)); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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shapeType = bb.getInt(); |
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// el shape tal con tema tal y n?mro tal es null
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if (shapeType == SHP.NULL) {
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return new NullGeometry(); |
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} |
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// retrieve that shape.
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// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
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switch (type) {
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case (SHP.POINT2D):
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p = readPoint(bb); |
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return gFactory.createPoint2D(p.getX(), p.getY());
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case (SHP.POLYLINE2D):
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bb.position(bb.position() + 32);
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numParts = bb.getInt(); |
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numPoints = bb.getInt(); |
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// part indexes.
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// Geometry geom = GeometryFactory.toGeometryArray();
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GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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numPoints); |
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int[] tempParts = new int[numParts]; |
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for (i = 0; i < numParts; i++) { |
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tempParts[i] = bb.getInt(); |
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} |
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j = 0;
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for (i = 0; i < numPoints; i++) { |
| 485 |
p = readPoint(bb); |
| 486 |
|
| 487 |
if (i == tempParts[j]) {
|
| 488 |
elShape.moveTo(p.getX(), p.getY()); |
| 489 |
|
| 490 |
if (j < (numParts - 1)) { |
| 491 |
j++; |
| 492 |
} |
| 493 |
} else {
|
| 494 |
elShape.lineTo(p.getX(), p.getY()); |
| 495 |
} |
| 496 |
} |
| 497 |
|
| 498 |
return gFactory.createPolyline2D(elShape);
|
| 499 |
|
| 500 |
case (SHP.POLYGON2D):
|
| 501 |
|
| 502 |
// BoundingBox = readRectangle(bb);
|
| 503 |
// bb.getDouble();
|
| 504 |
// bb.getDouble();
|
| 505 |
// bb.getDouble();
|
| 506 |
// bb.getDouble();
|
| 507 |
|
| 508 |
long posz = bb.position();
|
| 509 |
bb.position(bb.position() + 32);
|
| 510 |
numParts = bb.getInt(); |
| 511 |
|
| 512 |
numPoints = bb.getInt(); |
| 513 |
|
| 514 |
// part indexes.
|
| 515 |
// Geometry geom = GeometryFactory.toGeometryArray();
|
| 516 |
elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
|
| 517 |
|
| 518 |
tempParts = new int[numParts]; |
| 519 |
|
| 520 |
for (i = 0; i < numParts; i++) { |
| 521 |
tempParts[i] = bb.getInt(); |
| 522 |
} |
| 523 |
|
| 524 |
j = 0;
|
| 525 |
|
| 526 |
for (i = 0; i < numPoints; i++) { |
| 527 |
|
| 528 |
p = readPoint(bb); |
| 529 |
|
| 530 |
if (i == tempParts[j]) {
|
| 531 |
elShape.moveTo(p.getX(), p.getY()); |
| 532 |
|
| 533 |
if (j < (numParts - 1)) { |
| 534 |
j++; |
| 535 |
} |
| 536 |
} else {
|
| 537 |
if (i == numPoints - 1) { |
| 538 |
elShape.closePath(); |
| 539 |
} else {
|
| 540 |
elShape.lineTo(p.getX(), p.getY()); |
| 541 |
} |
| 542 |
} |
| 543 |
} |
| 544 |
|
| 545 |
return gFactory.createPolygon2D(elShape);
|
| 546 |
|
| 547 |
case (SHP.POINT3D):
|
| 548 |
|
| 549 |
double x = bb.getDouble();
|
| 550 |
double y = bb.getDouble();
|
| 551 |
double z = bb.getDouble();
|
| 552 |
|
| 553 |
return gFactory.createPoint3D(x, y, z);
|
| 554 |
|
| 555 |
case (SHP.POLYLINE3D):
|
| 556 |
bb.position(bb.position() + 32);
|
| 557 |
numParts = bb.getInt(); |
| 558 |
numPoints = bb.getInt(); |
| 559 |
elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
|
| 560 |
tempParts = new int[numParts]; |
| 561 |
|
| 562 |
for (i = 0; i < numParts; i++) { |
| 563 |
tempParts[i] = bb.getInt(); |
| 564 |
} |
| 565 |
|
| 566 |
j = 0;
|
| 567 |
|
| 568 |
for (i = 0; i < numPoints; i++) { |
| 569 |
p = readPoint(bb); |
| 570 |
|
| 571 |
if (i == tempParts[j]) {
|
| 572 |
elShape.moveTo(p.getX(), p.getY()); |
| 573 |
|
| 574 |
if (j < (numParts - 1)) { |
| 575 |
j++; |
| 576 |
} |
| 577 |
} else {
|
| 578 |
elShape.lineTo(p.getX(), p.getY()); |
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
double[] boxZ = new double[2]; |
| 583 |
boxZ[0] = bb.getDouble();
|
| 584 |
boxZ[1] = bb.getDouble();
|
| 585 |
|
| 586 |
double[] pZ = new double[numPoints]; |
| 587 |
|
| 588 |
for (i = 0; i < numPoints; i++) { |
| 589 |
pZ[i] = bb.getDouble(); |
| 590 |
} |
| 591 |
|
| 592 |
return gFactory.createPolyline3D(elShape, pZ);
|
| 593 |
case (SHP.POLYGON3D):
|
| 594 |
bb.position(bb.position() + 32);
|
| 595 |
numParts = bb.getInt(); |
| 596 |
numPoints = bb.getInt(); |
| 597 |
elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
|
| 598 |
tempParts = new int[numParts]; |
| 599 |
|
| 600 |
for (i = 0; i < numParts; i++) { |
| 601 |
tempParts[i] = bb.getInt(); |
| 602 |
} |
| 603 |
|
| 604 |
j = 0;
|
| 605 |
|
| 606 |
for (i = 0; i < numPoints; i++) { |
| 607 |
p = readPoint(bb); |
| 608 |
|
| 609 |
if (i == tempParts[j]) {
|
| 610 |
elShape.moveTo(p.getX(), p.getY()); |
| 611 |
|
| 612 |
if (j < (numParts - 1)) { |
| 613 |
j++; |
| 614 |
} |
| 615 |
} else {
|
| 616 |
if (i == numPoints - 1) { |
| 617 |
elShape.closePath(); |
| 618 |
} else {
|
| 619 |
elShape.lineTo(p.getX(), p.getY()); |
| 620 |
} |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
double[] boxpoZ = new double[2]; |
| 625 |
boxpoZ[0] = bb.getDouble();
|
| 626 |
boxpoZ[1] = bb.getDouble();
|
| 627 |
|
| 628 |
double[] poZ = new double[numPoints]; |
| 629 |
|
| 630 |
for (i = 0; i < numPoints; i++) { |
| 631 |
poZ[i] = bb.getDouble(); |
| 632 |
} |
| 633 |
|
| 634 |
return gFactory.createPolygon3D(elShape, poZ);
|
| 635 |
|
| 636 |
case (SHP.MULTIPOINT2D):
|
| 637 |
bb.position(bb.position() + 32);
|
| 638 |
numPoints = bb.getInt(); |
| 639 |
|
| 640 |
double[] tempX = new double[numPoints]; |
| 641 |
double[] tempY = new double[numPoints]; |
| 642 |
|
| 643 |
for (i = 0; i < numPoints; i++) { |
| 644 |
tempX[i] = bb.getDouble(); |
| 645 |
tempY[i] = bb.getDouble(); |
| 646 |
} |
| 647 |
|
| 648 |
return gFactory.createMultipoint2D(tempX, tempY);
|
| 649 |
|
| 650 |
case (SHP.MULTIPOINT3D):
|
| 651 |
bb.position(bb.position() + 32);
|
| 652 |
numPoints = bb.getInt(); |
| 653 |
|
| 654 |
double[] temX = new double[numPoints]; |
| 655 |
double[] temY = new double[numPoints]; |
| 656 |
double[] temZ = new double[numPoints]; |
| 657 |
|
| 658 |
for (i = 0; i < numPoints; i++) { |
| 659 |
temX[i] = bb.getDouble(); |
| 660 |
temY[i] = bb.getDouble(); |
| 661 |
// temZ[i] = bb.getDouble();
|
| 662 |
} |
| 663 |
|
| 664 |
for (i = 0; i < numPoints; i++) { |
| 665 |
temZ[i] = bb.getDouble(); |
| 666 |
} |
| 667 |
return gFactory.createMultipoint3D(temX, temY, temZ);
|
| 668 |
} |
| 669 |
|
| 670 |
return null; |
| 671 |
|
| 672 |
} |
| 673 |
|
| 674 |
private long getPositionForRecord(long numRec) { |
| 675 |
// shx file has a 100 bytes header, then, records
|
| 676 |
// 8 bytes length, one for each entity.
|
| 677 |
// first 4 bytes are the offset
|
| 678 |
// next 4 bytes are length
|
| 679 |
|
| 680 |
int posIndex = 100 + ((int) numRec * 8); |
| 681 |
// bbShx.position(posIndex);
|
| 682 |
long pos = 8 + 2 * bbShx.getInt(posIndex); |
| 683 |
|
| 684 |
return pos;
|
| 685 |
} |
| 686 |
|
| 687 |
/**
|
| 688 |
* Reads the Point from the shape file.
|
| 689 |
*
|
| 690 |
* @param in
|
| 691 |
* ByteBuffer.
|
| 692 |
*
|
| 693 |
* @return Point2D.
|
| 694 |
*/
|
| 695 |
private synchronized Point2D readPoint(IBigByteBuffer in) { |
| 696 |
// create a new point
|
| 697 |
Point2D.Double tempPoint = new Point2D.Double(); |
| 698 |
|
| 699 |
// bytes 1 to 4 are the type and have already been read.
|
| 700 |
// bytes 4 to 12 are the X coordinate
|
| 701 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
| 702 |
tempPoint.setLocation(in.getDouble(), in.getDouble()); |
| 703 |
|
| 704 |
return tempPoint;
|
| 705 |
} |
| 706 |
|
| 707 |
/**
|
| 708 |
* Lee un rect?ngulo del fichero.
|
| 709 |
*
|
| 710 |
* @param in
|
| 711 |
* ByteBuffer.
|
| 712 |
*
|
| 713 |
* @return Rect?ngulo.
|
| 714 |
*
|
| 715 |
* @throws IOException
|
| 716 |
*/
|
| 717 |
private synchronized IExtent readRectangle(IBigByteBuffer in) { |
| 718 |
|
| 719 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
| 720 |
double x = in.getDouble();
|
| 721 |
double y = in.getDouble();
|
| 722 |
|
| 723 |
double x2 = in.getDouble();
|
| 724 |
|
| 725 |
if (x2 - x == 0) { |
| 726 |
x2 = 0.2;
|
| 727 |
x -= 0.1;
|
| 728 |
} |
| 729 |
|
| 730 |
double y2 = in.getDouble();
|
| 731 |
|
| 732 |
if (y2 - y == 0) { |
| 733 |
y2 = 0.2;
|
| 734 |
y -= 0.1;
|
| 735 |
} |
| 736 |
IExtent tempRect = new Extent(x, y, x2, y2);
|
| 737 |
return tempRect;
|
| 738 |
} |
| 739 |
|
| 740 |
public org.gvsig.fmap.geom.primitive.Envelope getBoundingBox(
|
| 741 |
long featureIndex) {
|
| 742 |
Point2D p = new Point2D.Double(); |
| 743 |
IExtent BoundingBox = null;
|
| 744 |
try {
|
| 745 |
bb.position(getPositionForRecord(featureIndex)); |
| 746 |
} catch (Exception e) { |
| 747 |
e.printStackTrace(); |
| 748 |
// logger.error(" Shapefile is corrupted. Drawing aborted. ="+e+ "
|
| 749 |
// "+"index = "+index);
|
| 750 |
} |
| 751 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 752 |
|
| 753 |
int tipoShape = bb.getInt();
|
| 754 |
|
| 755 |
// AZABALA: si tipoShape viene con valores erroneos deja de funcionar
|
| 756 |
// el metodo getShape(i)
|
| 757 |
// if (tipoShape != SHP.NULL) {
|
| 758 |
// type = tipoShape;
|
| 759 |
//
|
| 760 |
// }
|
| 761 |
|
| 762 |
// retrieve that shape.
|
| 763 |
// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
|
| 764 |
switch (tipoShape) {
|
| 765 |
case (SHP.POINT2D):
|
| 766 |
case (SHP.POINT3D):
|
| 767 |
p = readPoint(bb); |
| 768 |
BoundingBox = new Extent(p.getX() - 0.1, p.getY() - 0.1, |
| 769 |
p.getX() + 0.2, p.getY() + 0.2); |
| 770 |
// new Rectangle2D.Double(p.getX() - 0.1,
|
| 771 |
// p.getY() - 0.1, 0.2, 0.2);
|
| 772 |
|
| 773 |
break;
|
| 774 |
|
| 775 |
case (SHP.POLYLINE2D):
|
| 776 |
case (SHP.POLYGON2D):
|
| 777 |
case (SHP.MULTIPOINT2D):
|
| 778 |
case (SHP.POLYLINE3D):
|
| 779 |
case (SHP.POLYGON3D):
|
| 780 |
case (SHP.MULTIPOINT3D):
|
| 781 |
|
| 782 |
// BoundingBox
|
| 783 |
BoundingBox = readRectangle(bb); |
| 784 |
|
| 785 |
break;
|
| 786 |
} |
| 787 |
|
| 788 |
double[] min = { BoundingBox.getMin(0), BoundingBox.getMin(1) }; |
| 789 |
double[] max = { BoundingBox.getMax(0), BoundingBox.getMax(1) }; |
| 790 |
return new DefaultEnvelope(2, min, max); |
| 791 |
} |
| 792 |
|
| 793 |
private int getGeometryType() { |
| 794 |
int auxType = 0; |
| 795 |
|
| 796 |
switch (type) {
|
| 797 |
case (SHP.POINT2D):
|
| 798 |
case (SHP.POINT3D):
|
| 799 |
auxType = auxType | FShape.POINT; |
| 800 |
|
| 801 |
break;
|
| 802 |
|
| 803 |
case (SHP.POLYLINE2D):
|
| 804 |
case (SHP.POLYLINE3D):
|
| 805 |
auxType = auxType | FShape.LINE; |
| 806 |
|
| 807 |
break;
|
| 808 |
|
| 809 |
case (SHP.POLYGON2D):
|
| 810 |
case (SHP.POLYGON3D):
|
| 811 |
auxType = auxType | FShape.POLYGON; |
| 812 |
|
| 813 |
break;
|
| 814 |
case (SHP.MULTIPOINT2D):
|
| 815 |
case (SHP.MULTIPOINT3D):
|
| 816 |
auxType = auxType | FShape.MULTIPOINT; |
| 817 |
|
| 818 |
break;
|
| 819 |
} |
| 820 |
|
| 821 |
return auxType;
|
| 822 |
} |
| 823 |
|
| 824 |
/**
|
| 825 |
* @return
|
| 826 |
*/
|
| 827 |
public IExtent getFullExtent() {
|
| 828 |
return extent;
|
| 829 |
} |
| 830 |
|
| 831 |
/**
|
| 832 |
* @deprecated
|
| 833 |
* @return
|
| 834 |
*/
|
| 835 |
private String getSRS() { |
| 836 |
// TODO Auto-generated method stub
|
| 837 |
return null; |
| 838 |
} |
| 839 |
|
| 840 |
public void setOnlyGeometry(boolean b) { |
| 841 |
onlyGeometry = b; |
| 842 |
} |
| 843 |
|
| 844 |
} |