Examples of org.jamesii.gui.visualization.chart.axes.IAxis.transform()

Package org.jamesii.gui.visualization.chart.axes

Class org.jamesii.gui.visualization.chart.axes.IAxis

Examples of org.jamesii.gui.visualization.chart.axes.IAxis.transform()

org.jamesii.gui.visualization.chart.axes.IAxis.transform()
main method that transforms a specific value from value space into axis space @param value the value to transform @return the given value transformed into axis space where{@link #getMinimum()} maps to 0 and {@link #getMaximum()} to 1 ifthe supplied value would lie below {@link #getMinimum()} a value <0 should be returned and a value> 1 should be returned in case the value lies above {@link #getMaximum()}

      referenceAxis.setMinimum(min);
      referenceAxis.setMaximum(max);


      for (int j = 0; j < 1000; j++) {
        double v = Math.random() * (max - min) + min;
        assertEquals(referenceAxis.transform(v), axis.transform(v), 0.00000001);
      }
    }


    for (int i = 0; i < 100; i++) {
      double min = Math.random() * 100000 - 50000;

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      referenceAxis.setMinimum(min);
      referenceAxis.setMaximum(max);


      for (int j = 0; j < 1000; j++) {
        double v = Math.random() * (max - min) + min;
        assertEquals(referenceAxis.transform(v), axis.transform(v), 0.00000001);
      }
    }


    // small test for symmetry around the basePointValue

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    if (vTicks != null && vAxis != null) {
      g.setColor(Color.LIGHT_GRAY);
      g.setStroke(new BasicStroke(1f, BasicStroke.CAP_BUTT,
          BasicStroke.JOIN_BEVEL, 0, new float[] { 3, 3 }, 0));
      for (Double d : vTicks) {
        double v = vAxis.transform(d) * plotDimension.getHeight();
        g.drawLine(plotOrigin.x,
            (int) (plotOrigin.y + plotDimension.height - v), plotOrigin.x
                + plotDimension.width, (int) (plotOrigin.y
                + plotDimension.height - v));
      }

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    IAxis yAxis = getAxis(this.getAxisForGroup(yGroup));


    double x = getModel().getValue(series, 0, valueIndex).doubleValue();
    double y = getModel().getValue(series, 1, valueIndex).doubleValue();


    return new Point2D.Double(xAxis.transform(x), yAxis.transform(y));
  }


  // TODO sr137: optimize
  @Override
  public Dimension getPlotDimension(Graphics2D g, int x, int y, int width,

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