// **********************************************************************// // <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/corba/com/bbn/openmap/layer/specialist/shape/ShapeSpecialist.java,v $// $RCSfile: ShapeSpecialist.java,v $// $Revision: 1.2.2.2 $// $Date: 2005/08/09 21:18:00 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.layer.specialist.shape;import java.awt.Color;import java.io.File;import java.util.Properties;import java.util.Vector;import com.bbn.openmap.Environment;import com.bbn.openmap.MoreMath;import com.bbn.openmap.CSpecialist.MouseEvent;import com.bbn.openmap.CSpecialist.UGraphic;import com.bbn.openmap.CSpecialist.WidgetChange;import com.bbn.openmap.layer.shape.ESRIRecord;import com.bbn.openmap.layer.shape.SpatialIndex;import com.bbn.openmap.layer.specialist.SColor;import com.bbn.openmap.layer.specialist.SGraphic;import com.bbn.openmap.layer.specialist.Specialist;import com.bbn.openmap.util.Debug;import com.bbn.openmap.util.PropUtils;/** * Implements the Specialist interface so that we can serve graphics * to OpenMap via CORBA. This specialist handles shape files, with the * coordinates in the shape files being in decimal degrees, not * pre-projected x-y coordinates. The specialist looks for a property * file to know where where the shape file and spatial index file is, * and how to color the shapes. */public class ShapeSpecialist extends Specialist {    /** The name of the property that holds the name of the shape file. */    public final static String shapeFileProperty = "shapeFile";    /**     * The name of the property that holds the name of the spatial     * index file.     */    public final static String spatialIndexProperty = "spatialIndex";    /**     * The name of the property that holds the line color of the     * graphics.     */    public final static String lineColorProperty = "lineColor";    /**     * The name of the property that holds the fill color of the     * graphics.     */    public final static String fillColorProperty = "fillColor";    /** The spatial index to use to pick the graphics to return. */    protected SpecialistSpatialIndex spatialIndex;    /** The read-in properties. */    protected Properties properties = null;    /** The color to outline the shapes. */    protected SColor lineColor = null;    /** The color to fill the shapes. */    protected SColor fillColor = null;//    final private static SColor nullColor = new SColor((short) 0, (short) 0, (short) 0);//    final private static EStipple nullStipple = new EStipple(null, (short) 0, (short) 0, new byte[0]);//    final private static EComp nullComp = new EComp(null, "");//    final private static XYPoint nullP1 = new XYPoint((short) 0, (short) 0);//    final private static XYPoint[] nullPA = new XYPoint[0];//    final private static LLPoint nullLL1 = new LLPoint(0.0f, 0.0f);    /**     * default constructor is called when we're loading the class     * directly into OpenMap. Not used.     */    public ShapeSpecialist() {        super("ShapeSpecialist", (short) 2, false);    }    /**     * The real constructor to use.     *      * @param shapeFile the shapefile.     * @param spatialIndexFile the created index file (.ssx) for this     *        shp file.     */    public ShapeSpecialist(String shapeFile, String spatialIndexFile) {        super("ShapeSpecialist", (short) 2, false);        init(shapeFile, spatialIndexFile);    }    /**     * Loads the spatial index from the two files.     *      * @param shapeFile the shapefile.     * @param spatialIndexFile the created index file (.ssx) for this     *        shp file.     */    public void init(String shapeFile, String spatialIndexFile) {        spatialIndex = locateAndSetShapeData(shapeFile, spatialIndexFile);    }    /**     * Gets the layer graphics.     *      * @param ll1 the upper left LLPoint.     * @param ll2 the lower right LLPoint.     * @return OMGraphicList     */    protected Vector computeGraphics(com.bbn.openmap.CSpecialist.LLPoint ll1,                                     com.bbn.openmap.CSpecialist.LLPoint ll2) {        if (spatialIndex == null)            return new Vector();        Vector list = null;        // check for dateline anomaly on the screen. we check for        // ll1.lon >=        // ll2.lon, but we need to be careful of the check for        // equality because        // of floating point arguments...        if ((ll1.lon > ll2.lon)                || MoreMath.approximately_equal(ll1.lon, ll2.lon, .001f)) {            if (Debug.debugging("shape")) {                Debug.output("Dateline is on screen");            }            double ymin = (double) Math.min(ll1.lat, ll2.lat);            double ymax = (double) Math.max(ll1.lat, ll2.lat);            try {                ESRIRecord records1[] = spatialIndex.locateRecords(ll1.lon,                        ymin,                        180.0d,                        ymax);                ESRIRecord records2[] = spatialIndex.locateRecords(-180.0d,                        ymin,                        ll2.lon,                        ymax);                int nRecords1 = records1.length;                int nRecords2 = records2.length;                list = new Vector(nRecords1 + nRecords2);                for (int i = 0; i < nRecords1; i++) {                    ((ESRISpecialistRecord) records1[i]).writeGraphics(list,                            lineColor,                            fillColor);                }                for (int i = 0; i < nRecords2; i++) {                    ((ESRISpecialistRecord) records2[i]).writeGraphics(list,                            lineColor,                            fillColor);                }            } catch (java.io.IOException ex) {                ex.printStackTrace();            } catch (com.bbn.openmap.io.FormatException fe) {                fe.printStackTrace();            }        } else {            double xmin = (double) Math.min(ll1.lon, ll2.lon);            double xmax = (double) Math.max(ll1.lon, ll2.lon);            double ymin = (double) Math.min(ll1.lat, ll2.lat);            double ymax = (double) Math.max(ll1.lat, ll2.lat);            try {                ESRIRecord records[] = spatialIndex.locateRecords(xmin,                        ymin,                        xmax,                        ymax);                int nRecords = records.length;                list = new Vector(nRecords);                for (int i = 0; i < nRecords; i++) {                    ((ESRISpecialistRecord) records[i]).writeGraphics(list,                            lineColor,                            fillColor);                }            } catch (java.io.IOException ex) {                ex.printStackTrace();            } catch (com.bbn.openmap.io.FormatException fe) {                fe.printStackTrace();