svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / drivers / dgn / DGNDriver.java @ 695
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package com.iver.cit.gvsig.fmap.drivers.dgn; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Arc2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import com.hardcode.gdbms.engine.data.DriverException; |
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import com.hardcode.gdbms.engine.data.FileDriver; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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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.drivers.VectorialFileDriver; |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class DGNDriver implements VectorialFileDriver, FileDriver { |
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DGNReader m_DgnReader; |
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private final int ID_FIELD_ID=0; |
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private final int ID_FIELD_ENTITY=1; |
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private final int ID_FIELD_LAYER=2; |
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private final int ID_FIELD_COLOR=3; |
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private final int ID_FIELD_HEIGHTTEXT=4; |
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private final int ID_FIELD_ROTATIONTEXT=5; |
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private final int ID_FIELD_TEXT=6; |
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private String path; |
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private File m_Fich; |
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// Campos del registro en cache:
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Object [] auxRow = new Object[7]; |
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Object [] cellRow = new Object[7]; |
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Object [] complexRow = new Object[7]; |
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/**
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* Traduce las posiciones de comienzo de las entidades del DGN
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* a nuestras entidades FShape. (Una FShape puede corresponder
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* a varias entidades de un DGN).
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*/
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private int[] m_posShapes; |
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/**
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#open(java.io.File)
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*/
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public void open(File f) throws IOException { |
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m_Fich = f; |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#close()
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*/
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public void close() throws IOException { |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShape(int)
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*/
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public IGeometry getShape(int index) throws IOException { |
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boolean bElementoCompuesto = false, bEsPoligono = false; |
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boolean bInsideCell = false; |
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boolean bFirstHoleEntity = false; |
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boolean bConnect = false; // Se usa para que los pol?gonos cierren bien cuando son formas compuestas |
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// int contadorSubElementos =0, numSubElementos = 0;
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int complex_index_fill_color= -1; |
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int nClass; // Para filtrar los elementos de construcci?n, etc. |
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ArrayList arrayFields = new ArrayList(); |
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arrayFields.add("ID");
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arrayFields.add("Entity");
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arrayFields.add("Layer");
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arrayFields.add("Color");
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arrayFields.add("HeightText");
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arrayFields.add("RotationText");
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arrayFields.add("Text");
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IGeometry aux; |
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GeneralPathX elementoCompuesto = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);
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m_DgnReader.DGNGotoElement(index); |
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DGNElemCore elemento = m_DgnReader.DGNReadElement(); |
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nClass= 0;
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if (elemento.properties != 0) |
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nClass = elemento.properties & DGNFileHeader.DGNPF_CLASS; |
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if ((elemento != null) && (elemento.deleted == 0) && (nClass == 0)) //Leer un elemento |
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{
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aux = null;
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// if ((elemento.element_id > 3800) && (elemento.element_id < 3850))
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// m_DgnReader.DGNDumpElement(m_DgnReader.getInfo(),elemento,"");
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if ((elemento.stype == DGNFileHeader.DGNST_MULTIPOINT) || (elemento.stype == DGNFileHeader.DGNST_ARC)
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|| (elemento.stype == DGNFileHeader.DGNST_CELL_HEADER) |
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|| (elemento.stype == DGNFileHeader.DGNST_SHARED_CELL_DEFN) |
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|| (elemento.stype == DGNFileHeader.DGNST_COMPLEX_HEADER)) |
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{
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if (elemento.complex != 0) |
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{
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bElementoCompuesto = true;
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} |
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else
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{
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if (bElementoCompuesto)
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{
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if (bInsideCell)
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{
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auxRow[ID_FIELD_ENTITY] = cellRow[ID_FIELD_ENTITY]; |
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} |
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else
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{
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auxRow = complexRow; |
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} |
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// System.err.println("Entidad compuesta. bInsideCell = " + bInsideCell + " auxRow = " + auxRow[ID_FIELD_ENTITY]);
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// TODO: CREACION DE LINEA lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, elementoCompuesto), auxRow);
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if (bEsPoligono)
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{
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if (complex_index_fill_color != -1) |
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auxRow[ID_FIELD_COLOR] = new Integer(complex_index_fill_color); |
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// TODO: CREAR POLIGONO lyrPolygons.addShape(new FShape(FConstant.SHAPE_TYPE_POLYGON, elementoCompuesto), auxRow);
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} |
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elementoCompuesto = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);
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} |
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// System.err.println("Entidad simple");
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bElementoCompuesto = false;
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bEsPoligono = false;
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bConnect = false;
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// elementoCompuesto = new GeneralPathX();
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bInsideCell = false;
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} |
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} |
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switch (elemento.stype)
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{
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case DGNFileHeader.DGNST_SHARED_CELL_DEFN:
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bInsideCell = true;
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cellRow[ID_FIELD_ID] = new Integer(elemento.element_id); |
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cellRow[ID_FIELD_LAYER] = new Integer(elemento.level); |
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cellRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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cellRow[ID_FIELD_ENTITY] = new String("Shared Cell"); |
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break;
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case DGNFileHeader.DGNST_CELL_HEADER:
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bInsideCell = true;
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DGNElemCellHeader psCellHeader = (DGNElemCellHeader) elemento; |
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cellRow[ID_FIELD_ID] = new Integer(elemento.element_id); |
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cellRow[ID_FIELD_LAYER] = new Integer(elemento.level); |
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cellRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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cellRow[ID_FIELD_ENTITY] = new String("Cell"); |
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complex_index_fill_color = m_DgnReader.DGNGetShapeFillInfo(elemento); |
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// System.err.println("Cell Header " + complex_index_fill_color);
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break;
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case DGNFileHeader.DGNST_COMPLEX_HEADER:
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// bElementoCompuesto = true;
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// System.err.println("Complex Header");
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// contadorSubElementos = 0;
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DGNElemComplexHeader psComplexHeader = (DGNElemComplexHeader) elemento; |
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// numSubElementos = psComplexHeader.numelems;
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complexRow[ID_FIELD_ID] = new Integer(elemento.element_id); |
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complexRow[ID_FIELD_LAYER] = new Integer(elemento.level); |
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complexRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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complexRow[ID_FIELD_ENTITY] = new String("Complex"); |
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if (psComplexHeader.type == DGNFileHeader.DGNT_COMPLEX_SHAPE_HEADER)
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{
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bEsPoligono = true;
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// Si es un agujero, no conectamos con el anterior
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if ((psComplexHeader.properties & 0x8000) != 0) |
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bFirstHoleEntity = true;
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else
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{
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// Miramos si tiene color de relleno
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// complex_index_fill_color = -1;
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// if (elemento.attr_bytes > 0) {
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complex_index_fill_color = m_DgnReader.DGNGetShapeFillInfo(elemento); |
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// System.err.println("complex shape fill color = " + elemento.color);
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// }
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} |
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bConnect = true;
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} |
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else
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{
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bEsPoligono = false;
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bConnect = false;
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} |
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break;
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case DGNFileHeader.DGNST_MULTIPOINT:
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// OJO: Si lo que viene en este multipoint es un elemento con type=11 (curve), se trata de una "parametric
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// spline curve". La vamos a tratar como si no fuera curva, pero seg?n la documentaci?n, los 2 primeros puntos
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// y los 2 ?ltimos puntos definen "endpoint derivatives" y NO se muestran.
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// TODAV?A HAY UN PEQUE?O FALLO CON EL FICHERO dgn-sample.dgn, pero lo dejo por ahora.
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// Es posible que tenga que ver con lo de los arcos (arco distorsionado), que
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// todav?a no est? metido.
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DGNElemMultiPoint psLine = (DGNElemMultiPoint) elemento; |
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auxRow[ID_FIELD_LAYER] = new Integer(elemento.level); |
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auxRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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if ((psLine.num_vertices == 2) && (psLine.vertices[0].x == psLine.vertices[1].x) |
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&& (psLine.vertices[0].y == psLine.vertices[1].y)) |
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{
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auxRow[ID_FIELD_ENTITY] = new String("Point"); |
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// TODO: CREAR PUNTO lyrPoints.addShape(new FShape(new FPoint(psLine.vertices[0].x,
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// psLine.vertices[0].y,psLine.vertices[0].z),FConstant.SHAPE_TYPE_POINT), auxRow);
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return ShapeFactory.createPoint3D(psLine.vertices[0].x, psLine.vertices[0].y,psLine.vertices[0].z); |
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} |
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else
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{
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GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);
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if (psLine.type == DGNFileHeader.DGNT_CURVE)
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{
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psLine.num_vertices = psLine.num_vertices - 4;
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for (int aux_n = 0; aux_n < psLine.num_vertices; aux_n++) |
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{
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psLine.vertices[aux_n] = psLine.vertices[aux_n+2];
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} |
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} |
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if ((psLine.type == DGNFileHeader.DGNT_SHAPE)
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&& ((psLine.properties & 0x8000) != 0)) |
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{
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// Invertimos el orden porque es un agujero
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elShape.moveTo(psLine.vertices[psLine.num_vertices-1].x,
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psLine.vertices[psLine.num_vertices-1].y);
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for (int i = psLine.num_vertices-2; i >= 0; i--) |
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elShape.lineTo( psLine.vertices[i].x, |
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psLine.vertices[i].y); |
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} |
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else
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{
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elShape.moveTo(psLine.vertices[0].x, psLine.vertices[0].y); |
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for (int i = 1; i < psLine.num_vertices; i++) |
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elShape.lineTo( psLine.vertices[i].x, |
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psLine.vertices[i].y); |
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} |
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auxRow[ID_FIELD_ID] = new Integer(elemento.element_id); |
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auxRow[ID_FIELD_ENTITY] = new String("Multipoint"); |
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if ((psLine.vertices[0].x == psLine.vertices[psLine.num_vertices-1].x) |
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&& (psLine.vertices[0].y == psLine.vertices[psLine.num_vertices-1].y)) |
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{
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// Lo a?adimos tambi?n como pol?gono
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bEsPoligono = true;
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// Miramos si tiene color de relleno
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if (elemento.attr_bytes > 0) { |
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elemento.color = m_DgnReader.DGNGetShapeFillInfo(elemento); |
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// System.err.println("fill color = " + elemento.color);
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if (elemento.color != -1) |
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auxRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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} |
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if (elemento.complex == 0) |
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{
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// TODO: A?adir POLIGONO lyrPolygons.addShape(new FShape(FConstant.SHAPE_TYPE_POLYGON, elShape), auxRow);
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return ShapeFactory.createPolygon2D(elShape);
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} |
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} |
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if (elemento.complex != 0) |
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// Si es un agujero o
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// es la primera entidad del agujero, lo a?adimos sin unir al anterior
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if (bFirstHoleEntity || ((psLine.type == DGNFileHeader.DGNT_SHAPE) && ((psLine.properties & 0x8000) != 0))) |
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{
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elementoCompuesto.append(elShape, false);
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bFirstHoleEntity = false;
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} |
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else
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elementoCompuesto.append(elShape, bConnect); |
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else
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{
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// TODO: A?adir LINEA lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, elShape), auxRow);
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return ShapeFactory.createPolyline2D(elShape);
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} |
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} |
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break;
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case DGNFileHeader.DGNST_ARC:
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// m_DgnReader.DGNDumpElement(m_DgnReader.getInfo(), elemento,"");
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DGNElemArc psArc = (DGNElemArc) elemento; |
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// La definici?n de arco de MicroStation es distinta a la de Java.
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// En el dgn el origin se entiende que es el centro del arco,
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// y a la hora de crear un Arc2D las 2 primeras coordenadas son
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// la esquina inferior izquierda del rect?ngulo que rodea al arco.
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// 1.- Creamos la elipse sin rotaci?n.
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// 2.- Creamos el arco
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// 3.- Rotamos el resultado
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/* System.out.println("Arco con primari axis: " + psArc.primary_axis +
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" start angle: " + psArc.startang + " sweepang = " + psArc.sweepang);
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System.out.println("secondaria axis: " + psArc.secondary_axis +
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" rotation = " + psArc.rotation); */
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AffineTransform mT = AffineTransform.getRotateInstance( |
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Math.toRadians(psArc.rotation), psArc.origin.x, psArc.origin.y);
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// mT.preConcatenate(AffineTransform.getScaleInstance(100.0,100.0));
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Arc2D.Double elArco = new Arc2D.Double( |
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psArc.origin.x - psArc.primary_axis, psArc.origin.y - psArc.secondary_axis, |
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2.0 * psArc.primary_axis, 2.0 * psArc.secondary_axis, |
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-psArc.startang, -psArc.sweepang, Arc2D.OPEN);
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// Ellipse2D.Double elArco = new Ellipse2D.Double(psArc.origin.x - psArc.primary_axis,
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// psArc.origin.y - psArc.secondary_axis,2.0 * psArc.primary_axis, 2.0 * psArc.secondary_axis);
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GeneralPathX elShapeArc = new GeneralPathX(elArco);
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// Transformamos el GeneralPahtX porque si transformamos elArco nos lo convierte
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// a GeneralPath y nos guarda las coordenadas en float, con la correspondiente p?rdida de precisi?n
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elShapeArc.transform(mT); |
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if (m_DgnReader.getInfo().dimension == 3) { |
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//Aqu? podr?amos hacer cosas con la coordenada Z
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} |
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auxRow[ID_FIELD_ID] = new Integer(elemento.element_id); |
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auxRow[ID_FIELD_ENTITY] = new String("Arc"); |
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auxRow[ID_FIELD_LAYER] = new Integer(elemento.level); |
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auxRow[ID_FIELD_COLOR] = new Integer(elemento.color); |
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/* Line2D.Double ejeMayor = new Line2D.Double(psArc.origin.x - psArc.primary_axis, psArc.origin.y,
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psArc.origin.x + psArc.primary_axis, psArc.origin.y);
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lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, new GeneralPathX(ejeMayor)), auxRow); */
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// lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, elShapeArc), auxRow);
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if (elemento.complex != 0) |
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{
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// Esto es una posible fuente de fallos si detr?s de una
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// elipse vienen m?s cosas pegadas. Deber?amos volver
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// a conectar una vez pasada la elipse.
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if (elemento.type == DGNFileHeader.DGNT_ELLIPSE)
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bConnect = false;
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// SI LA ELIPSE ES UN AGUJERO, SE A?ADE SIN PEGAR
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// Y EL ELEMENTO ES UN POLIGONO
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if (bFirstHoleEntity || ((elemento.type == DGNFileHeader.DGNT_SHAPE)
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&& ((elemento.properties & 0x8000) != 0))) |
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{
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elementoCompuesto.append(elShapeArc, false);
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bFirstHoleEntity = false;
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} |
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else
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elementoCompuesto.append(elShapeArc, bConnect); |
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} |
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else
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{
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// TODO: A?ADIR LINEA lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, elShapeArc), auxRow);
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if (psArc.type == DGNFileHeader.DGNT_ELLIPSE)
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{
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// TODO: A?adir POLIGONO lyrPolygons.addShape(new FShape(FConstant.SHAPE_TYPE_POLYGON, elShapeArc), auxRow);
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} |
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} |
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// System.err.println("Entra un Arco");
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break;
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case DGNFileHeader.DGNST_TEXT:
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DGNElemText psText = (DGNElemText) elemento; |
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// TODO: DEVOLVER UN TEXTO??
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/* FPoint2D elShapeTxt = new FPoint2D(
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psText.origin.x, psText.origin.y,psText.origin.z);
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auxRow[ID_FIELD_ID] = new Integer(elemento.element_id);
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auxRowTxt[ID_FIELD_ENTITY] = new String("Text");
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auxRowTxt[ID_FIELD_LAYER] = new Integer(elemento.level);
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auxRowTxt[ID_FIELD_COLOR] = new Integer(elemento.color);
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heightText = (float) psText.height_mult;
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auxRowTxt[ID_FIELD_HEIGHTTEXT] = new Double(heightText);
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auxRowTxt[ID_FIELD_ROTATIONTEXT] = new Double(psText.rotation);
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auxRowTxt[ID_FIELD_TEXT] = psText.string; // .trim();
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lyrTexts.addShape(new FShape(elShapeTxt,FConstant.SHAPE_TYPE_POINT),
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auxRowTxt);
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*/
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break;
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/* default:
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m_DgnReader.DGNDumpElement(m_DgnReader.getInfo(), elemento, "");
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*/
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|
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} // switch
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|
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|
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} // if
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|
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// } // for
|
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|
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if (bElementoCompuesto)
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{
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if (bInsideCell)
|
| 394 |
{
|
| 395 |
auxRow = cellRow; |
| 396 |
} |
| 397 |
else
|
| 398 |
{
|
| 399 |
auxRow = complexRow; |
| 400 |
} |
| 401 |
// System.err.println("Entidad compuesta. bInsideCell = " + bInsideCell + " auxRow = " + auxRow[ID_FIELD_ENTITY]);
|
| 402 |
// TODO: LINEA lyrLines.addShape(new FShape(FConstant.SHAPE_TYPE_POLYLINE, elementoCompuesto), auxRow);
|
| 403 |
if (bEsPoligono)
|
| 404 |
{
|
| 405 |
if (complex_index_fill_color != -1) |
| 406 |
auxRow[ID_FIELD_COLOR] = new Integer(complex_index_fill_color); |
| 407 |
|
| 408 |
// TODO: POLIGONO lyrPolygons.addShape(new FShape(FConstant.SHAPE_TYPE_POLYGON, elementoCompuesto), auxRow);
|
| 409 |
} |
| 410 |
} |
| 411 |
return null; |
| 412 |
} |
| 413 |
|
| 414 |
/**
|
| 415 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShapeCount()
|
| 416 |
*/
|
| 417 |
public int getShapeCount() throws IOException { |
| 418 |
return m_DgnReader.getNumEntities();
|
| 419 |
} |
| 420 |
|
| 421 |
/**
|
| 422 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getFullExtent()
|
| 423 |
*/
|
| 424 |
public Rectangle2D getFullExtent() throws IOException { |
| 425 |
return m_DgnReader.getBoundingBox();
|
| 426 |
} |
| 427 |
|
| 428 |
/**
|
| 429 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#initialize()
|
| 430 |
*/
|
| 431 |
public void initialize() throws IOException { |
| 432 |
m_DgnReader = new DGNReader(m_Fich.getAbsolutePath());
|
| 433 |
} |
| 434 |
|
| 435 |
/**
|
| 436 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeType()
|
| 437 |
*/
|
| 438 |
public int getShapeType() { |
| 439 |
return 15; |
| 440 |
} |
| 441 |
|
| 442 |
/**
|
| 443 |
* @see com.hardcode.driverManager.Driver#getType()
|
| 444 |
*/
|
| 445 |
public String getName() { |
| 446 |
return "gvSIG DGN Driver"; |
| 447 |
} |
| 448 |
|
| 449 |
/**
|
| 450 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#accept(java.io.File)
|
| 451 |
*/
|
| 452 |
public boolean accept(File f) { |
| 453 |
return f.getName().toUpperCase().endsWith("DGN"); |
| 454 |
} |
| 455 |
|
| 456 |
/**
|
| 457 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataDriverName()
|
| 458 |
*/
|
| 459 |
public String getDataDriverName() { |
| 460 |
//TODO implementar bien
|
| 461 |
return null; |
| 462 |
} |
| 463 |
|
| 464 |
/**
|
| 465 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataFile(java.io.File)
|
| 466 |
*/
|
| 467 |
public File getDataFile(File f) { |
| 468 |
//TODO implementar bien
|
| 469 |
return null; |
| 470 |
} |
| 471 |
|
| 472 |
/* (non-Javadoc)
|
| 473 |
* @see com.hardcode.gdbms.engine.data.FileDriver#fileAccepted(java.io.File)
|
| 474 |
*/
|
| 475 |
public boolean fileAccepted(File f) { |
| 476 |
return f.getName().toUpperCase().endsWith("DGN"); |
| 477 |
} |
| 478 |
|
| 479 |
/* (non-Javadoc)
|
| 480 |
* @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldValue(long, int)
|
| 481 |
*/
|
| 482 |
public Value getFieldValue(long rowIndex, int fieldId) throws DriverException { |
| 483 |
// TODO Auto-generated method stub
|
| 484 |
return null; |
| 485 |
} |
| 486 |
|
| 487 |
/* (non-Javadoc)
|
| 488 |
* @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldCount()
|
| 489 |
*/
|
| 490 |
public int getFieldCount() throws DriverException { |
| 491 |
// TODO Auto-generated method stub
|
| 492 |
return 0; |
| 493 |
} |
| 494 |
|
| 495 |
/* (non-Javadoc)
|
| 496 |
* @see com.hardcode.gdbms.engine.data.ReadDriver#getFieldName(int)
|
| 497 |
*/
|
| 498 |
public String getFieldName(int fieldId) throws DriverException { |
| 499 |
// TODO Auto-generated method stub
|
| 500 |
return null; |
| 501 |
} |
| 502 |
|
| 503 |
/* (non-Javadoc)
|
| 504 |
* @see com.hardcode.gdbms.engine.data.ReadDriver#getRowCount()
|
| 505 |
*/
|
| 506 |
public long getRowCount() throws DriverException { |
| 507 |
try {
|
| 508 |
return getShapeCount();
|
| 509 |
} catch (IOException e) { |
| 510 |
e.printStackTrace(); |
| 511 |
} |
| 512 |
return -1; |
| 513 |
} |
| 514 |
} |