// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/layer/vpf/EdgeTable.java,v $// $Revision: 1.4.2.2 $ $Date: 2005/01/10 16:39:40 $ $Author: dietrick $// **********************************************************************package com.bbn.openmap.layer.vpf;import java.util.ArrayList;import java.util.List;import com.bbn.openmap.LatLonPoint;import com.bbn.openmap.io.FormatException;import com.bbn.openmap.util.Debug;/** * Read VPF format edge tables to generate polyline graphics for * OpenMap. */public class EdgeTable extends PrimitiveTable {    /** The set of columns that we need */    private static final String[] edgcolumns = { Constants.ID,            Constants.EDG_START_NODE, Constants.EDG_END_NODE,            Constants.EDG_RIGHT_FACE, Constants.EDG_LEFT_FACE,            Constants.EDG_RIGHT_EDGE, Constants.EDG_LEFT_EDGE,            Constants.EDG_COORDINATES };    /**     * Construct an EdgeTable object for a tile of a coverage.     *      * @param cov the coverage table that this tile is part of     * @param tile the tile to parse     * @throws FormatException a problem was encountered initializing     *         this tile     */    public EdgeTable(CoverageTable cov, TileDirectory tile)            throws FormatException {        super(cov, tile, "edg");        if (Debug.debugging("vpf")) {            Debug.output("EdgeTable(): " + filename);        }        if (cov.cachedLineSchema == null) {            cov.cachedLineSchema = lookupSchema(edgcolumns, false);        }    }    /**     * Get the value of the ID column     *      * @param l the list to retrieve the value from     */    public final int getId(List l) {        return ((Number) l.get(covtable.cachedLineSchema[0])).intValue();    }    /**     * Get the value of the start_node column     *      * @param l the list to retrieve the value from     */    public final int getStartNode(List l) {        return ((Number) l.get(covtable.cachedLineSchema[1])).intValue();    }    /**     * Get the value of the end_node column     *      * @param l the list to retrieve the value from     */    public final int getEndNode(List l) {        return ((Number) l.get(covtable.cachedLineSchema[2])).intValue();    }    /**     * Get the value of the right_face column     *      * @param l the list to retrieve the value from     * @deprecated use the getRightFaceTilingAdapter method instead     *             (using this could cause a ClassCastException for     *             some VPF data)     */    public final DcwCrossTileID getRightFace(List l) {        return (DcwCrossTileID) l.get(covtable.cachedLineSchema[3]);    }    /**     * Get the TilingAdapter for the right_face column     */    public final TilingAdapter getRightFaceTilingAdapter() {        return getTilingAdapter(Constants.EDG_RIGHT_FACE);    }    /**     * Get the value of the left_face column     *      * @param l the list to retrieve the value from     * @deprecated use the getLeftFaceTilingAdapter method instead     *             (using this could cause a ClassCastException for     *             some VPF data)     */    public final DcwCrossTileID getLeftFace(List l) {        return (DcwCrossTileID) l.get(covtable.cachedLineSchema[4]);    }    /**     * Get the TilingAdapter for the left_face column     */    public final TilingAdapter getLeftFaceTilingAdapter() {        return getTilingAdapter(Constants.EDG_LEFT_FACE);    }    /**     * Get the value of the right_edge column     *      * @param l the list to retrieve the value from     * @deprecated use the getRightEdgeTilingAdapter method instead     *             (using this could cause a ClassCastException for     *             some VPF data)     */    public final DcwCrossTileID getRightEdge(List l) {        return (DcwCrossTileID) l.get(covtable.cachedLineSchema[5]);    }    /**     * Get the TilingAdapter for the right_edge column     */    public final TilingAdapter getRightEdgeTilingAdapter() {        return getTilingAdapter(Constants.EDG_RIGHT_EDGE);    }    /**     * Get the value of the left_edge column     *      * @param l the list to retrieve the value from     * @deprecated use the getLeftEdgeTilingAdapter method instead     *             (using this could cause a ClassCastException for     *             some VPF data)     */    public final DcwCrossTileID getLeftEdge(List l) {        return (DcwCrossTileID) l.get(covtable.cachedLineSchema[6]);    }    /**     * Get the TilingAdapter for the left_edge column     */    public final TilingAdapter getLeftEdgeTilingAdapter() {        return getTilingAdapter(Constants.EDG_LEFT_EDGE);    }    /**     * Get the value of the coordinates column     *      * @param l the list to retrieve the value from     */    public final CoordFloatString getCoordinates(List l) {        return (CoordFloatString) l.get(covtable.cachedLineSchema[7]);    }    /**     * get the topology level of the edge table     *      * @return the vpf topology level     */    public int topologyLevel() {        if (covtable.cachedLineSchema[1] == -1) {//no start_node,                                                 // topology level 0            return 0;        }        if (covtable.cachedLineSchema[3] == -1) {//no right_face,                                                 // level 1 or 2            return 2;        }        return 3;    }    /**     * get the coverage table that this edge is in     */    public CoverageTable getCoverageTable() {        return covtable;    }    /**     * Parse the edge records for this tile, calling     * warehouse.createEdge once for each record.     *      * @param warehouse the warehouse used for createEdge calls (must     *        not be null)     * @param dpplat threshold for latitude thinning (passed to     *        warehouse)     * @param dpplon threshold for longitude thinngin (passed to     *        warehouse)     * @param ll1 upperleft of selection region (passed to warehouse)     * @param ll2 lowerright of selection region (passed to warehouse)     * @see VPFGraphicWarehouse#createEdge     */    public void drawTile(VPFGraphicWarehouse warehouse, float dpplat,                         float dpplon, LatLonPoint ll1, LatLonPoint ll2) {        if (warehouse == null) {            return;        }        try {            seekToRow(1);            for (List edge = new ArrayList(); parseRow(edge);) {                warehouse.createEdge(covtable,                        this,                        edge,                        ll1,                        ll2,                        dpplat,                        dpplon,                        getCoordinates(edge));            }        } catch (FormatException f) {            System.out.println("Exception: " + f.getClass() + " "                    + f.getMessage());        }    }    /**     * Use the warehouse to create a graphic from the edge feature, if     * you aleady have the line from the edgetable.     *      * @param warehouse the warehouse used for createEdge calls (must     *        not be null)     * @param dpplat threshold for latitude thinning (passed to     *        warehouse)     * @param dpplon threshold for longitude thinngin (passed to     *        warehouse)     * @param ll1 upperleft of selection region (passed to warehouse)     * @param ll2 lowerright of selection region (passed to warehouse)     * @param edge list containing the EdgeTable row contents.     * @param featureType the name of the feature. The warehouse may     *        want to do some intelligent rendering.     * @see VPFGraphicWarehouse#createEdge     */    public void drawFeature(VPFFeatureWarehouse warehouse, float dpplat,                            float dpplon, LatLonPoint ll1, LatLonPoint ll2,                            List edge, String featureType) {        if (warehouse == null) {            return;        }        warehouse.createEdge(covtable,                this,                edge,                ll1,                ll2,                dpplat,                dpplon,                getCoordinates(edge),                featureType);    }}