Examples of com.bbn.openmap.omGraphics.OMGraphic

com.bbn.openmap.omGraphics.OMGraphic
Used to be the base class of OpenMap graphics, but now inherits from BasicGeometry, which now contains all the information about the geometry of the OMGraphic. The OMGraphic also contains information about how the geometry should be drawn.
The OMGraphics are raster and vector graphic objects that know how to position and render themselves on a given x-y window or lat-lon map projection. All you have to do is supply the location data (x/y, lat/lon) and drawing information (color, line width) and the graphic handles the rest.
This class contains parameters that are common to most types of graphics. If a parameter doesn't make sense for a particular graphic type, it is ignored.
The OMGraphics are being updated to be able to provide java.awt.Shape representations of themselves after they have been generated(). The getShape() method returns a java.awt.Shape object. With the Shape object, you can do some spatial analysis (object operations) on the projected OMGraphics. NOTES:
- Color values cannot be set to null, but can be set to OMGraphic.clear. Actually, if you set them to null, they will set themselves to be clear.
- XY Rendering: Java specifies that the origin is the top left of the window, x increases to the right, y increases down.
- LatLon Rendering: Defined by the Projection object. The center of the window usually corresponds to the center of the projection. OMGraphics should project themselves using the appropriate forward() method listed in the Projection interface
- Offset Rendering: same as XY, but with origin set to a projected LatLon point.
@see OMBitmap @see OMCircle @see OMLine @see OMPoly @see OMRect @see OMRaster @see OMText @see OMGraphicList @see Projection

        holder.add(btnPanel, BorderLayout.SOUTH);


        redrawSelected.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (!(graphicIndex < 0)) {
                    OMGraphic omg = getEsriGraphicList().getOMGraphicAt(graphicIndex);
                    repaintGraphics(omg);
                }
            }
        });

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        EsriGraphicList list = getEsriGraphicList();
        boolean ret = false;
        graphicIndex = -1;


        if (list != null) {
            OMGraphic omg = list.selectClosest(e.getX(), e.getY(), 4);
            if (omg != null) {
                // graphicIndex has to be set before selectEntry
                // called.
                graphicIndex = list.indexOf(omg);
                selectEntry(omg);

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     */
    public boolean mouseMoved(MouseEvent e) {
        EsriGraphicList list = getEsriGraphicList();
        boolean ret = false;
        if (list != null) {
            OMGraphic omg = list.findClosest(e.getX(), e.getY(), 4);
            if (omg != null) {
                int index;


                Integer I = ((Integer) omg.getAttribute(SHAPE_INDEX_ATTRIBUTE));
                if (I != null) {
                    index = I.intValue() - 1;
                } else {
                    index = list.indexOf(omg);
                }

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                if (Debug.debugging("mysql")) {
                    Debug.output("MysqlGeometryLayer result: " + result);
                }


                MysqlGeometry mg = MysqlWKTGeometryFactory.createGeometry(result);
                OMGraphic omg = createGraphic(mg);
                omg.generate(proj);
                graphics.add(omg);
            }


            rs.close();
            conn.close();

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     */
    protected OMGraphic createPolygon(MysqlPolygon myPoly) {
        Vector v = myPoly.getRings();
        int size = v.size();


        OMGraphic ret = null;
        OMPoly ompoly = null;
        OMGraphicList subList = null;


        if (size > 1) {
            subList = new OMGraphicList();

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     * Method chooses what type of geometry to render.
     * 
     * @param mg Database object which will be rendered
     */
    protected OMGraphic createGraphic(MysqlGeometry mg) {
        OMGraphic ret = null;


        if (mg != null) {
            String type = mg.getType();


            if (type.equals(MysqlGeometry.POINTTYPE)) {
                ret = createPoint((MysqlPoint) mg);
            } else if (type.equals(MysqlGeometry.LINESTRINGTYPE)) {
                ret = createLine((MysqlLine) mg);
            } else if (type.equals(MysqlGeometry.POLYGONTTYPE)) {
                ret = createPolygon((MysqlPolygon) mg);
            } else if (type.equals(MysqlGeometry.MULTIPOINTTYPE)
                    || type.equals(MysqlGeometry.MULTILINESTRINGTYPE)
                    || type.equals(MysqlGeometry.MULTIPOLYGONTYPE)
                    || type.equals(MysqlGeometry.GEOMETRYCOLLECTIONTYPE)) {


                MysqlMulti multi = (MysqlMulti) mg;
                OMGraphicList subList = new OMGraphicList();
                for (int i = 0; i < multi.countElements(); i++) {
                    OMGraphic subRet = null;
                    if (type.equals(MysqlGeometry.MULTIPOINTTYPE)) {
                        subRet = createPoint((MysqlPoint) multi.getElementByIndex(i));
                    } else if (type.equals(MysqlGeometry.MULTILINESTRINGTYPE)) {
                        subRet = createLine((MysqlLine) multi.getElementByIndex(i));
                    } else if (type.equals(MysqlGeometry.MULTIPOLYGONTYPE)) {

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     * @param e MouseEvent
     * @return true if the listener was able to process the event.
     */
    public boolean mouseMoved(java.awt.event.MouseEvent e) {
        if (receiver instanceof PlugIn && omList != null) {
            OMGraphic graphic = omList.getOMGraphicThatContains(e.getX(),
                    e.getY());
            String label = null;
            if (graphic instanceof Node) {
                label = ((Node) graphic).getLabel();
                // } else if (graphic instanceof Line) {

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        public void generate(Projection p, long time, boolean showScenario) {
            synchronized (graphics) {
                Iterator it = iterator();
                while (it.hasNext()) {
                    OMGraphic graphic = (OMGraphic) it.next();
                    if (graphic instanceof ScenarioGraphic) {
                        ((ScenarioGraphic) graphic).generate(p,
                                time,
                                showScenario);
                    } else {
                        graphic.generate(p);
                    }
                }
            }
        }

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     * @param grid
     * @param proj
     * @return OMRaster that reflects slope information.
     */
    public OMRaster generateRasterForProjection(OMGrid grid, Projection proj) {
        OMGraphic omg = generate(grid, proj);
        if (omg instanceof OMRaster) {
            return (OMRaster) omg;
        } else {
            return null;
        }

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    }


    protected void updateDrawingParameters(OMGraphicList omgl) {
        if (omgl != null) {
            for (Iterator it = omgl.iterator(); it.hasNext();) {
                OMGraphic omg = (OMGraphic) it.next();
                Integer recNum = (Integer) omg.getAttribute(ShapeConstants.SHAPE_INDEX_ATTRIBUTE);
                if (recNum != null) {
                    getDrawParams(recNum.intValue()).setTo(omg);
                    omg.putAttribute(OMGraphic.INFOLINE, getName(recNum));
                }
            }
        }
    }

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