Revision 13000 branches/v10/extensions/extGraph_predes/src/com/iver/cit/gvsig/graph/solvers/EdgesMemoryDriver.java
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* |
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* $Id$ |
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* $Log$ |
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* Revision 1.1.2.1 2007-08-08 11:43:40 fjp |
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* Revision 1.1.2.2 2007-08-09 12:18:27 fjp |
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* Area de influencia con leyenda |
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* |
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* Revision 1.1.2.1 2007/08/08 11:43:40 fjp |
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* Principio de giros y area de influencia |
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* |
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* Revision 1.2 2006/11/08 19:32:36 azabala |
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*/ |
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package com.iver.cit.gvsig.graph.solvers; |
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import java.awt.Color; |
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import java.awt.geom.Line2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import java.sql.Types; |
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import java.util.List;
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import java.text.NumberFormat;
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import javax.swing.table.DefaultTableModel;
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import javax.swing.JOptionPane;
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.hardcode.gdbms.engine.data.edition.DataWare; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.cit.gvsig.fmap.core.FPolyline2D;
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import com.iver.andami.PluginServices;
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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import com.iver.cit.gvsig.fmap.drivers.MemoryDriver; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDriver; |
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import com.iver.cit.gvsig.fmap.drivers.WithDefaultLegend; |
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import com.iver.cit.gvsig.fmap.rendering.FInterval; |
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import com.iver.cit.gvsig.fmap.rendering.Legend; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialIntervalLegend; |
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import com.iver.cit.gvsig.graph.core.GvEdge; |
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import com.iver.cit.gvsig.graph.core.GvNode; |
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import com.iver.cit.gvsig.graph.core.Network; |
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/** |
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* Driver wrapper around arcs from a network. It may be useful to show |
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* the arcs as a layer without consuming more memory. Maybe it could be useful
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* also to have an Edges version instead of Arcs.
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* Driver wrapper around arcs from a network. It may be useful to show the arcs
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* as a layer without consuming more memory. Maybe it could be useful also to
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* have an Edges version instead of Arcs. |
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* |
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* @author Fco. Jos? Pe?arrubia |
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* |
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*/ |
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public class EdgesMemoryDriver implements VectorialDriver, ObjectDriver {
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public class EdgesMemoryDriver implements VectorialDriver, ObjectDriver, |
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WithDefaultLegend {
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static FieldDescription[] fields = new FieldDescription[6]; |
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static {
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FieldDescription fieldDesc = new FieldDescription(); |
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fieldDesc.setFieldLength(25); |
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fieldDesc.setFieldDecimalCount(0); |
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fields[3] = fieldDesc; |
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fieldDesc = new FieldDescription(); |
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fieldDesc.setFieldName("COSTN1");
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fieldDesc.setFieldType(Types.DOUBLE); |
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fieldDesc.setFieldLength(20); |
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fieldDesc.setFieldDecimalCount(5); |
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fields[5] = fieldDesc; |
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} |
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Network net; |
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Rectangle2D fullExtent; |
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GvEdge edge = net.getGraph().getEdgeByID(index); |
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GvNode n1 = net.getGraph().getNodeByID(edge.getIdNodeOrig()); |
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GvNode n2 = net.getGraph().getNodeByID(edge.getIdNodeEnd()); |
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Line2D.Double line = new Line2D.Double(n1.getX(), n1.getY(), n2.getX(), n2.getY()); |
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Line2D.Double line = new Line2D.Double(n1.getX(), n1.getY(), n2.getX(), |
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n2.getY()); |
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return ShapeFactory.createPolyline2D(new GeneralPathX(line)); |
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} |
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public void reload() throws IOException, DriverException {
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} |
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/* (non-Javadoc) |
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/* |
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* (non-Javadoc) |
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* |
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* @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldValue(long, int) |
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*/ |
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public Value getFieldValue(long rowIndex, int fieldId) |
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throws DriverException {
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throws DriverException {
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Value val = ValueFactory.createNullValue(); |
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GvEdge edge = net.getGraph().getEdgeByID((int) rowIndex); |
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switch (fieldId) |
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{
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switch (fieldId) {
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case 0: // idArc |
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return ValueFactory.createValue(edge.getIdArc()); |
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case 1: // weight |
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return ValueFactory.createValue(edge.getType() + ""); |
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case 4: // cost node1 |
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GvNode n1 = net.getGraph().getNodeByID(edge.getIdNodeOrig()); |
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if (n1.getBestCost() == Double.MAX_VALUE) |
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return ValueFactory.createValue(-1.0); |
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else |
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else |
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return ValueFactory.createValue(n2.getBestCost()); |
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} |
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return val; |
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} |
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public int getFieldCount() throws DriverException {
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return fields.length; |
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} |
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public String getFieldName(int fieldId) throws DriverException {
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return fields[fieldId].getFieldName(); |
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} |
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/* (non-Javadoc) |
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/* |
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* (non-Javadoc) |
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* |
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* @see com.hardcode.gdbms.engine.data.ReadDriver#getRowCount() |
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*/ |
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public long getRowCount() throws DriverException {
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return net.getGraph().numEdges(); |
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} |
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/* (non-Javadoc) |
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* @see com.hardcode.gdbms.engine.data.driver.GDBMSDriver#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory) |
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*/ |
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public void setDataSourceFactory(DataSourceFactory dsf) {
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} |
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public int getFieldWidth(int fieldId) |
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{
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return fields[fieldId].getFieldLength(); |
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} |
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/* |
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* (non-Javadoc) |
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* |
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* @see com.hardcode.gdbms.engine.data.driver.GDBMSDriver#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory) |
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*/ |
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public void setDataSourceFactory(DataSourceFactory dsf) {
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} |
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public int getFieldWidth(int fieldId) {
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return fields[fieldId].getFieldLength(); |
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} |
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private FInterval[] calculateEqualIntervals(int numIntervals, |
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double minValue, double maxValue) {
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FInterval[] theIntervalArray = new FInterval[numIntervals]; |
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double step = (maxValue - minValue) / numIntervals; |
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if (numIntervals > 1) {
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theIntervalArray[0] = new FInterval(minValue, minValue + step); |
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for (int i = 1; i < (numIntervals - 1); i++) {
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theIntervalArray[i] = new FInterval(minValue + (i * step) |
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+ 0.01, minValue + ((i + 1) * step)); |
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} |
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theIntervalArray[numIntervals - 1] = new FInterval(minValue |
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+ ((numIntervals - 1) * step) + 0.01, maxValue); |
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} else {
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theIntervalArray[0] = new FInterval(minValue, maxValue); |
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} |
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return theIntervalArray; |
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} |
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public Legend getDefaultLegend() {
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VectorialIntervalLegend legend = new VectorialIntervalLegend( |
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FShape.LINE); |
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legend.setFieldName("COSTN1");
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legend.setStartColor(Color.RED); |
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legend.setEndColor(Color.BLUE); |
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FInterval[] arrayIntervalos = calculateEqualIntervals(20, 0, 20000); |
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FInterval elIntervalo; |
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NumberFormat.getInstance().setMaximumFractionDigits(2); |
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int r; |
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int g; |
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int b; |
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int stepR; |
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int stepG; |
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int stepB; |
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r = legend.getStartColor().getRed(); |
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g = legend.getStartColor().getGreen(); |
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b = legend.getStartColor().getBlue(); |
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stepR = (legend.getEndColor().getRed() - r) / arrayIntervalos.length; |
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stepG = (legend.getEndColor().getGreen() - g) / arrayIntervalos.length; |
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stepB = (legend.getEndColor().getBlue() - b) / arrayIntervalos.length; |
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for (int k = 0; k < arrayIntervalos.length; k++) {
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elIntervalo = arrayIntervalos[k]; |
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// clave = elIntervalo; // elIntervalo.getMin() + " - " + |
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// elIntervalo.getMax(); |
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// System.out.println("k = " + k + " clave = " + clave);
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// //Comprobar que no esta repetido y no hace falta introducir en el |
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// hashtable el campo junto con el simbolo. |
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// if (!m_Renderer.m_symbolList.containsKey(elIntervalo)) {
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// si no esta creado el simbolo se crea |
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FSymbol theSymbol = new FSymbol(FShape.LINE, new Color(r, g, b)); |
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theSymbol.setDescription(NumberFormat.getInstance().format(elIntervalo.getMin()) + |
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" - " + |
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NumberFormat.getInstance().format(elIntervalo.getMax())); |
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// //////////////////////////////////// |
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// CALCULAMOS UN COLOR APROPIADO |
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r = r + stepR; |
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g = g + stepG; |
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b = b + stepB; |
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// /////////////////////////////// |
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legend.addSymbol(elIntervalo, theSymbol); |
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} // for |
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return legend; |
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} |
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} |
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