public LineRenderer3D() 
{
             
        super(true, false);  //Create a line renderer only
        this.xOffset = DEFAULT_X_OFFSET;
        this.yOffset = DEFAULT_Y_OFFSET;
        this.wallPaint = DEFAULT_WALL_PAINT;
}

Creates a new renderer.

 public  void drawBackground(Graphics2D g2,
    CategoryPlot plot,
    Rectangle2D dataArea) 
{
        float x0 = (float) dataArea.getX();
        float x1 = x0 + (float) Math.abs(this.xOffset);
        float x3 = (float) dataArea.getMaxX();
        float x2 = x3 - (float) Math.abs(this.xOffset);
        float y0 = (float) dataArea.getMaxY();
        float y1 = y0 - (float) Math.abs(this.yOffset);
        float y3 = (float) dataArea.getMinY();
        float y2 = y3 + (float) Math.abs(this.yOffset);
        GeneralPath clip = new GeneralPath();
        clip.moveTo(x0, y0);
        clip.lineTo(x0, y2);
        clip.lineTo(x1, y3);
        clip.lineTo(x3, y3);
        clip.lineTo(x3, y1);
        clip.lineTo(x2, y0);
        clip.closePath();
        Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
                plot.getBackgroundAlpha()));
        // fill background...
        Paint backgroundPaint = plot.getBackgroundPaint();
        if (backgroundPaint != null) {
            g2.setPaint(backgroundPaint);
            g2.fill(clip);
        }
        GeneralPath leftWall = new GeneralPath();
        leftWall.moveTo(x0, y0);
        leftWall.lineTo(x0, y2);
        leftWall.lineTo(x1, y3);
        leftWall.lineTo(x1, y1);
        leftWall.closePath();
        g2.setPaint(getWallPaint());
        g2.fill(leftWall);
        GeneralPath bottomWall = new GeneralPath();
        bottomWall.moveTo(x0, y0);
        bottomWall.lineTo(x1, y1);
        bottomWall.lineTo(x3, y1);
        bottomWall.lineTo(x2, y0);
        bottomWall.closePath();
        g2.setPaint(getWallPaint());
        g2.fill(bottomWall);
        // higlight the background corners...
        g2.setPaint(Color.lightGray);
        Line2D corner = new Line2D.Double(x0, y0, x1, y1);
        g2.draw(corner);
        corner.setLine(x1, y1, x1, y3);
        g2.draw(corner);
        corner.setLine(x1, y1, x3, y1);
        g2.draw(corner);
        // draw background image, if there is one...
        Image backgroundImage = plot.getBackgroundImage();
        if (backgroundImage != null) {
            Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX()
                    + getXOffset(), dataArea.getY(),
                    dataArea.getWidth() - getXOffset(),
                    dataArea.getHeight() - getYOffset());
            plot.drawBackgroundImage(g2, adjusted);
        }
        g2.setComposite(originalComposite);
}

Draws the background for the plot.

 public  void drawDomainGridline(Graphics2D g2,
    CategoryPlot plot,
    Rectangle2D dataArea,
    double value) 
{
        Line2D line1 = null;
        Line2D line2 = null;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            double y0 = value;
            double y1 = value - getYOffset();
            double x0 = dataArea.getMinX();
            double x1 = x0 + getXOffset();
            double x2 = dataArea.getMaxX();
            line1 = new Line2D.Double(x0, y0, x1, y1);
            line2 = new Line2D.Double(x1, y1, x2, y1);
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            double x0 = value;
            double x1 = value + getXOffset();
            double y0 = dataArea.getMaxY();
            double y1 = y0 - getYOffset();
            double y2 = dataArea.getMinY();
            line1 = new Line2D.Double(x0, y0, x1, y1);
            line2 = new Line2D.Double(x1, y1, x1, y2);
        }
        g2.setPaint(plot.getDomainGridlinePaint());
        g2.setStroke(plot.getDomainGridlineStroke());
        g2.draw(line1);
        g2.draw(line2);
}

Draws a grid line against the domain axis.

 public  void drawItem(Graphics2D g2,
    CategoryItemRendererState state,
    Rectangle2D dataArea,
    CategoryPlot plot,
    CategoryAxis domainAxis,
    ValueAxis rangeAxis,
    CategoryDataset dataset,
    int row,
    int column,
    int pass) 
{
        if (!getItemVisible(row, column)) {
            return;
        }
        // nothing is drawn for null...
        Number v = dataset.getValue(row, column);
        if (v == null) {
            return;
        }
        Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
                dataArea.getY() + getYOffset(),
                dataArea.getWidth() - getXOffset(),
                dataArea.getHeight() - getYOffset());
        PlotOrientation orientation = plot.getOrientation();
        // current data point...
        double x1 = domainAxis.getCategoryMiddle(column, getColumnCount(),
                adjusted, plot.getDomainAxisEdge());
        double value = v.doubleValue();
        double y1 = rangeAxis.valueToJava2D(value, adjusted,
                plot.getRangeAxisEdge());
        Shape shape = getItemShape(row, column);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
        }
        if (getItemLineVisible(row, column)) {
            if (column != 0) {
                Number previousValue = dataset.getValue(row, column - 1);
                if (previousValue != null) {
                    // previous data point...
                    double previous = previousValue.doubleValue();
                    double x0 = domainAxis.getCategoryMiddle(column - 1,
                            getColumnCount(), adjusted,
                            plot.getDomainAxisEdge());
                    double y0 = rangeAxis.valueToJava2D(previous, adjusted,
                            plot.getRangeAxisEdge());
                    double x2 = x0 + getXOffset();
                    double y2 = y0 - getYOffset();
                    double x3 = x1 + getXOffset();
                    double y3 = y1 - getYOffset();
                    GeneralPath clip = new GeneralPath();
                    if (orientation == PlotOrientation.HORIZONTAL) {
                        clip.moveTo((float) y0, (float) x0);
                        clip.lineTo((float) y1, (float) x1);
                        clip.lineTo((float) y3, (float) x3);
                        clip.lineTo((float) y2, (float) x2);
                        clip.lineTo((float) y0, (float) x0);
                        clip.closePath();
                    }
                    else if (orientation == PlotOrientation.VERTICAL) {
                        clip.moveTo((float) x0, (float) y0);
                        clip.lineTo((float) x1, (float) y1);
                        clip.lineTo((float) x3, (float) y3);
                        clip.lineTo((float) x2, (float) y2);
                        clip.lineTo((float) x0, (float) y0);
                        clip.closePath();
                    }
                    g2.setPaint(getItemPaint(row, column));
                    g2.fill(clip);
                    g2.setStroke(getItemOutlineStroke(row, column));
                    g2.setPaint(getItemOutlinePaint(row, column));
                    g2.draw(clip);
                }
            }
        }
        // draw the item label if there is one...
        if (isItemLabelVisible(row, column)) {
            drawItemLabel(g2, orientation, dataset, row, column, x1, y1,
                    (value <  0.0));
        }
        // add an item entity, if this information is being collected
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addItemEntity(entities, dataset, row, column, shape);
        }
}

Draw a single data item.

 public  void drawOutline(Graphics2D g2,
    CategoryPlot plot,
    Rectangle2D dataArea) 
{
        float x0 = (float) dataArea.getX();
        float x1 = x0 + (float) Math.abs(this.xOffset);
        float x3 = (float) dataArea.getMaxX();
        float x2 = x3 - (float) Math.abs(this.xOffset);
        float y0 = (float) dataArea.getMaxY();
        float y1 = y0 - (float) Math.abs(this.yOffset);
        float y3 = (float) dataArea.getMinY();
        float y2 = y3 + (float) Math.abs(this.yOffset);
        GeneralPath clip = new GeneralPath();
        clip.moveTo(x0, y0);
        clip.lineTo(x0, y2);
        clip.lineTo(x1, y3);
        clip.lineTo(x3, y3);
        clip.lineTo(x3, y1);
        clip.lineTo(x2, y0);
        clip.closePath();
        // put an outline around the data area...
        Stroke outlineStroke = plot.getOutlineStroke();
        Paint outlinePaint = plot.getOutlinePaint();
        if ((outlineStroke != null) && (outlinePaint != null)) {
            g2.setStroke(outlineStroke);
            g2.setPaint(outlinePaint);
            g2.draw(clip);
        }
}

Draws the outline for the plot.

 public  void drawRangeGridline(Graphics2D g2,
    CategoryPlot plot,
    ValueAxis axis,
    Rectangle2D dataArea,
    double value) 
{
        Range range = axis.getRange();
        if (!range.contains(value)) {
            return;
        }
        Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
                dataArea.getY() + getYOffset(),
                dataArea.getWidth() - getXOffset(),
                dataArea.getHeight() - getYOffset());
        Line2D line1 = null;
        Line2D line2 = null;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            double x0 = axis.valueToJava2D(value, adjusted,
                    plot.getRangeAxisEdge());
            double x1 = x0 + getXOffset();
            double y0 = dataArea.getMaxY();
            double y1 = y0 - getYOffset();
            double y2 = dataArea.getMinY();
            line1 = new Line2D.Double(x0, y0, x1, y1);
            line2 = new Line2D.Double(x1, y1, x1, y2);
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            double y0 = axis.valueToJava2D(value, adjusted,
                    plot.getRangeAxisEdge());
            double y1 = y0 - getYOffset();
            double x0 = dataArea.getMinX();
            double x1 = x0 + getXOffset();
            double x2 = dataArea.getMaxX();
            line1 = new Line2D.Double(x0, y0, x1, y1);
            line2 = new Line2D.Double(x1, y1, x2, y1);
        }
        g2.setPaint(plot.getRangeGridlinePaint());
        g2.setStroke(plot.getRangeGridlineStroke());
        g2.draw(line1);
        g2.draw(line2);
}

Draws a grid line against the range axis.

 public  void drawRangeMarker(Graphics2D g2,
    CategoryPlot plot,
    ValueAxis axis,
    Marker marker,
    Rectangle2D dataArea) 
{
        Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
                dataArea.getY() + getYOffset(),
                dataArea.getWidth() - getXOffset(),
                dataArea.getHeight() - getYOffset());
        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = axis.getRange();
            if (!range.contains(value)) {
                return;
            }
            GeneralPath path = null;
            PlotOrientation orientation = plot.getOrientation();
            if (orientation == PlotOrientation.HORIZONTAL) {
                float x = (float) axis.valueToJava2D(value, adjusted,
                        plot.getRangeAxisEdge());
                float y = (float) adjusted.getMaxY();
                path = new GeneralPath();
                path.moveTo(x, y);
                path.lineTo((float) (x + getXOffset()),
                        y - (float) getYOffset());
                path.lineTo((float) (x + getXOffset()),
                        (float) (adjusted.getMinY() - getYOffset()));
                path.lineTo(x, (float) adjusted.getMinY());
                path.closePath();
            }
            else if (orientation == PlotOrientation.VERTICAL) {
                float y = (float) axis.valueToJava2D(value, adjusted,
                        plot.getRangeAxisEdge());
                float x = (float) dataArea.getX();
                path = new GeneralPath();
                path.moveTo(x, y);
                path.lineTo(x + (float) this.xOffset, y - (float) this.yOffset);
                path.lineTo((float) (adjusted.getMaxX() + this.xOffset),
                        y - (float) this.yOffset);
                path.lineTo((float) (adjusted.getMaxX()), y);
                path.closePath();
            }
            g2.setPaint(marker.getPaint());
            g2.fill(path);
            g2.setPaint(marker.getOutlinePaint());
            g2.draw(path);
        }
        else {
            super.drawRangeMarker(g2, plot, axis, marker, adjusted);
            // TODO: draw the interval marker with a 3D effect
        }
}

Draws a range marker.

 public boolean equals(Object obj) 
{
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof LineRenderer3D)) {
            return false;
        }
        LineRenderer3D that = (LineRenderer3D) obj;
        if (this.xOffset != that.xOffset) {
            return false;
        }
        if (this.yOffset != that.yOffset) {
            return false;
        }
        if (!PaintUtilities.equal(this.wallPaint, that.wallPaint)) {
            return false;
        }
        return super.equals(obj);
}

Checks this renderer for equality with an arbitrary object.

 public Paint getWallPaint() 
{
        return this.wallPaint;
}

Returns the paint used to highlight the left and bottom wall in the plot background.

 public double getXOffset() 
{
        return this.xOffset;
}

Returns the x-offset for the 3D effect.

 public double getYOffset() 
{
        return this.yOffset;
}

Returns the y-offset for the 3D effect.

 public  void setWallPaint(Paint paint) 
{
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.wallPaint = paint;
        fireChangeEvent();
}

Sets the paint used to hightlight the left and bottom walls in the plot background, and sends a RendererChangeEvent to all registered listeners.

 public  void setXOffset(double xOffset) 
{
        this.xOffset = xOffset;
        fireChangeEvent();
}

Sets the x-offset and sends a RendererChangeEvent to all registered listeners.

 public  void setYOffset(double yOffset) 
{
        this.yOffset = yOffset;
        fireChangeEvent();
}

Sets the y-offset and sends a RendererChangeEvent to all registered listeners.