linkgraphiclist.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

    /**
     * Write an arc with a certain radius at a Lat/Lon location, and
     * allows you to specify units of the radius, as well as the
     * number of verticies to use to approximate the arc.
     * 
     * @param latPoint latitude of center of arc in decimal degrees
     * @param lonPoint longitude of center of arc in decimal degrees
     * @param radius distance
     * @param units integer value for units for distance - OMArc.KM,
     *        OMArc.MILES, OMArc.NMILES. If < 0, assume decimal
     *        degrees.
     * @param nverts number of vertices for the poly-arc (if < 3,
     *        value is generated internally).
     * @param s starting angle of arc, decimal degrees
     * @param e angular extent of arc, decimal degrees
     * @param properties attributes for the arc.
     * @throws IOException
     */
    public void addArc(float latPoint, float lonPoint, float radius, int units,
                       int nverts, float s, float e, LinkProperties properties)
            throws IOException {
        LinkArc.write(latPoint,
                lonPoint,
                radius,
                units,
                nverts,
                s,
                e,
                properties,
                link.dos);
    }

    /**
     * Write a bitmap in the response.
     * 
     * @param lt latitude of placement of upper left corner of bitmap.
     * @param ln longitude of placement of upper left corner of
     *        bitmap.
     * @param w pixel width of bitmap.
     * @param h pixel height of bitmap.
     * @param bytes bitmap data.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkBitmap
     */
    public void addBitmap(float lt, float ln, int w, int h, byte[] bytes,
                          LinkProperties properties) throws IOException {
        LinkBitmap.write(lt, ln, w, h, bytes, properties, link.dos);
    }

    /**
     * Write a bitmap in the response.
     * 
     * @param x1 horizontal placement of upper left corner of bitmap.
     * @param y1 vertical placement of upper left corner of bitmap.
     * @param w pixel width of bitmap.
     * @param h pixel height of bitmap.
     * @param bytes bitmap data.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkBitmap
     */
    public void addBitmap(int x1, int y1, int w, int h, byte[] bytes,
                          LinkProperties properties) throws IOException {
        LinkBitmap.write(x1, y1, w, h, bytes, properties, link.dos);
    }

    /**
     * Write a bitmap in the response.
     * 
     * @param lt latitude of placement of upper left corner of bitmap.
     * @param ln longitude of placement of upper left corner of
     *        bitmap.
     * @param offset_x1 horizontal offset of upper left corner of
     *        bitmap.
     * @param offset_y1 vertical offset of upper left corner of
     *        bitmap.
     * @param w pixel width of bitmap.
     * @param h pixel height of bitmap.
     * @param bytes bitmap data.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkBitmap
     */
    public void addBitmap(float lt, float ln, int offset_x1, int offset_y1,
                          int w, int h, byte[] bytes, LinkProperties properties)
            throws IOException {
        LinkBitmap.write(lt,
                ln,
                offset_x1,
                offset_y1,
                w,
                h,
                bytes,
                properties,
                link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param latPoint latitude of placement of center of circle.
     * @param lonPoint longitude of placement of center of circle.
     * @param w pixel width of circle.
     * @param h pixel height of circle.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(float latPoint, float lonPoint, int w, int h,
                          LinkProperties properties) throws IOException {
        LinkCircle.write(latPoint, lonPoint, w, h, properties, link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param x1 horizontal pixel placement of center of circle..
     * @param y1 vertical pixel placement of center of circle..
     * @param w pixel width of circle.
     * @param h pixel height of circle.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(int x1, int y1, int w, int h,
                          LinkProperties properties) throws IOException {
        LinkCircle.write(x1, y1, w, h, properties, link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param latPoint latitude of placement of center of circle.
     * @param lonPoint longitude of placement of center of circle.
     * @param offset_x1 horizontal pixel offset of center of circle..
     * @param offset_y1 vertical pixel offset of center of circle..
     * @param w width of circle.
     * @param h height of circle.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(float latPoint, float lonPoint, int offset_x1,
                          int offset_y1, int w, int h, LinkProperties properties)
            throws IOException {
        LinkCircle.write(latPoint,
                lonPoint,
                offset_x1,
                offset_y1,
                w,
                h,
                properties,
                link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param latPoint latitude of placement of center of circle.
     * @param lonPoint longitude of placement of center of circle.
     * @param radius radius of circle, in decimal degrees..
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(float latPoint, float lonPoint, float radius,
                          LinkProperties properties) throws IOException {
        LinkCircle.write(latPoint,
                lonPoint,
                radius,
                -1,
                -1,
                properties,
                link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param latPoint latitude of placement of center of circle.
     * @param lonPoint longitude of placement of center of circle.
     * @param radius radius of circle, in decimal degrees..
     * @param units units of the radius - km, miles, nmiles, degrees..
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(float latPoint, float lonPoint, float radius,
                          int units, LinkProperties properties)
            throws IOException {
        LinkCircle.write(latPoint,
                lonPoint,
                radius,
                units,
                -1,
                properties,
                link.dos);
    }

    /**
     * Write a circle in the response.
     * 
     * @param latPoint latitude of placement of center of circle.
     * @param lonPoint longitude of placement of center of circle.
     * @param radius radius of circle, in decimal degrees..
     * @param units units of the radius - km, miles, nmiles, degrees..
     * @param nverts number of points to use to approximate the
     *        circle. If negative, the client algorithm will figure
     *        out what is best.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkCircle
     */
    public void addCircle(float latPoint, float lonPoint, float radius,
                          int units, int nverts, LinkProperties properties)
            throws IOException {
        LinkCircle.write(latPoint,
                lonPoint,
                radius,
                units,
                nverts,
                properties,
                link.dos);
    }

    /**
     * Add a Grid with Lat/Lon placement.
     * 
     * @param lt latitude of the top of the grid.
     * @param ln longitude of the left side of the grid.
     * @param rows number of vertical points of the grid.
     * @param columns number of horizontal points of the grid.
     * @param orientation the direction of the vertical axits of the
     *        grid, in radians from up ( North).
     * @param vResolution degrees/point between rows of the grid.
     * @param hResolution degrees/point between columns of the grid.
     * @param major designation of the presentation of the data, as
     *        columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
     * @param data data points of the grid.
     * @param properties Properties containing attributes.
     * @throws IOException
     */
    public void addGrid(float lt, float ln, int rows, int columns,
                        float orientation, float vResolution,
                        float hResolution, int major, int[] data,
                        LinkProperties properties) throws IOException {
        LinkGrid.write(lt,
                ln,
                rows,
                columns,
                orientation,
                vResolution,
                hResolution,
                major,
                data,
                properties,
                link.dos);
    }

    /**
     * Add a Grid with XY placement.
     * 
     * @param x1 window location of the left side of the grid.
     * @param y1 window location of the top of the grid.
     * @param rows number of vertical points of the grid.
     * @param columns number of horizontal points of the grid.
     * @param orientation the direction of the vertical axits of the
     *        grid, in radians from up ( North).
     * @param vResolution pixels/point between rows of the grid.
     * @param hResolution pixels/point between columns of the grid.
     * @param major designation of the presentation of the data, as
     *        columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
     * @param data data points of the grid.
     * @param properties Properties containing attributes.
     * @throws IOException
     */
    public void addGrid(int x1, int y1, int rows, int columns,
                        float orientation, float vResolution,
                        float hResolution, int major, int[] data,
                        LinkProperties properties) throws IOException {
        LinkGrid.write(x1,
                y1,
                rows,
                columns,
                orientation,
                vResolution,
                hResolution,
                major,
                data,
                properties,
                link.dos);
    }

    /**
     * Grid Lat/lon placement with XY offset.
     * 
     * @param lt latitude of the top of the grid, before the offset.
     * @param ln longitude of the left side of the grid, before the
     *        offset.
     * @param offset_x1 number of pixels to move grid to the right.
     * @param offset_y1 number of pixels to move grid down.
     * @param rows number of vertical points of the grid.
     * @param columns number of horizontal points of the grid.
     * @param orientation the direction of the vertical axits of the
     *        grid, in radians from up ( North).
     * @param vResolution pixels/point between rows of the grid.
     * @param hResolution pixels/point between columns of the grid.
     * @param major designation of the presentation of the data, as
     *        columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
     * @param data data points of the grid.
     * @param properties Properties containing attributes.
     * @throws IOException
     */
    public void addGrid(float lt, float ln, int offset_x1, int offset_y1,
                        int rows, int columns, float orientation,
                        float vResolution, float hResolution, int major,
                        int[] data, LinkProperties properties)
            throws IOException {
        LinkGrid.write(lt,
                ln,
                offset_x1,
                offset_y1,
                rows,
                columns,
                orientation,
                vResolution,
                hResolution,
                major,
                data,
                properties,
                link.dos);
    }

    /**
     * Write a line in the response.
     * 
     * @param lat_1 latitude of placement of start of line.
     * @param lon_1 longitude of placement of start of line.
     * @param lat_2 latitude of placement of end of line.
     * @param lon_2 longitude of placement of end of line.
     * @param lineType type of line - straight, rhumb, great circle..
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkLine
     */
    public void addLine(float lat_1, float lon_1, float lat_2, float lon_2,
                        int lineType, LinkProperties properties)
            throws IOException {
        LinkLine.write(lat_1,
                lon_1,
                lat_2,
                lon_2,
                lineType,
                properties,
                link.dos);
    }

    /**
     * Write a line in the response.
     * 
     * @param lat_1 latitude of placement of start of line.
     * @param lon_1 longitude of placement of start of line.
     * @param lat_2 latitude of placement of end of line.
     * @param lon_2 longitude of placement of end of line.
     * @param lineType type of line - straight, rhumb, great circle..
     * @param nsegs number of points to use to approximate curved
     *        line..
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkLine
     */
    public void addLine(float lat_1, float lon_1, float lat_2, float lon_2,
                        int lineType, int nsegs, LinkProperties properties)
            throws IOException {
        LinkLine.write(lat_1,
                lon_1,
                lat_2,
                lon_2,
                lineType,
                nsegs,
                properties,
                link.dos);
    }

    /**
     * Write a line in the response.
     * 
     * @param x1 Horizontal pixel placement of start of line.
     * @param y1 Vertical pixel placement of start of line.
     * @param x2 Horizontal pixel placement of end of line.
     * @param y2 Vertical pixel placement of end of line.
     * @param properties Properties containing attributes.
     * @throws IOException
     * @see com.bbn.openmap.layer.link.LinkLine
     */
    public void addLine(int x1, int y1, int x2, int y2,
                        LinkProperties properties) throws IOException {
        LinkLine.write(x1, y1, x2, y2, properties, link.dos);
    }