Ejemplo n.º 1
0
  protected int computeYPixelValue(Rectangle drawingRect, DataRange axisDefinition, double dataY) {

    double maxValue = axisDefinition.getMaximum();
    double minValue = axisDefinition.getMinimum();

    double yScaleFactor = drawingRect.getHeight() / (maxValue - minValue);

    // Compute the pixel y location.  Clip to bounds of rectangle.
    // The distince in pixels frmo the data value to the axis maximum
    double delta = (maxValue - dataY) * yScaleFactor;
    double pY = drawingRect.getY() + delta;

    return (int) Math.max(drawingRect.getMinY(), Math.min(drawingRect.getMaxY(), pY));
  }
Ejemplo n.º 2
0
  /**
   * Render the track in the given rectangle.
   *
   * @param track
   * @param locusScores
   * @param context
   * @param arect
   */
  public synchronized void renderScores(
      Track track, List<LocusScore> locusScores, RenderContext context, Rectangle arect) {

    boolean showMissingData =
        PreferenceManager.getInstance().getAsBoolean(PreferenceManager.SHOW_MISSING_DATA_KEY);

    Graphics2D noDataGraphics = context.getGraphic2DForColor(UIConstants.NO_DATA_COLOR);
    Graphics2D tickGraphics = context.getGraphic2DForColor(Color.BLACK);

    Rectangle adjustedRect = calculateDrawingRect(arect);
    double origin = context.getOrigin();
    double locScale = context.getScale();

    Color posColor = track.getColor();
    Color negColor = track.getAltColor();

    // Get the Y axis definition, consisting of minimum, maximum, and base value.  Often
    // the base value is == min value which is == 0.

    DataRange dataRange = track.getDataRange();
    float maxValue = dataRange.getMaximum();
    float baseValue = dataRange.getBaseline();
    float minValue = dataRange.getMinimum();
    boolean isLog = dataRange.isLog();

    if (isLog) {
      minValue = (float) (minValue == 0 ? 0 : Math.log10(minValue));
      maxValue = (float) Math.log10(maxValue);
    }

    // Calculate the Y scale factor.

    double delta = (maxValue - minValue);
    double yScaleFactor = adjustedRect.getHeight() / delta;

    // Calculate the Y position in pixels of the base value.  Clip to bounds of rectangle
    double baseDelta = maxValue - baseValue;
    int baseY = (int) (adjustedRect.getY() + baseDelta * yScaleFactor);
    if (baseY < adjustedRect.y) {
      baseY = adjustedRect.y;
    } else if (baseY > adjustedRect.y + adjustedRect.height) {
      baseY = adjustedRect.y + adjustedRect.height;
    }

    int lastPx = 0;
    for (LocusScore score : locusScores) {

      // Note -- don't cast these to an int until the range is checked.
      // could get an overflow.
      double pX = ((score.getStart() - origin) / locScale);
      double dx = Math.ceil((Math.max(1, score.getEnd() - score.getStart())) / locScale) + 1;
      if ((pX + dx < 0)) {
        continue;
      } else if (pX > adjustedRect.getMaxX()) {
        break;
      }

      float dataY = score.getScore();
      if (isLog && dataY <= 0) {
        continue;
      }

      if (!Float.isNaN(dataY)) {

        // Compute the pixel y location.  Clip to bounds of rectangle.
        double dy = isLog ? Math.log10(dataY) - baseValue : (dataY - baseValue);
        int pY = baseY - (int) (dy * yScaleFactor);
        if (pY < adjustedRect.y) {
          pY = adjustedRect.y;
        } else if (pY > adjustedRect.y + adjustedRect.height) {
          pY = adjustedRect.y + adjustedRect.height;
        }

        Color color = (dataY >= baseValue) ? posColor : negColor;
        drawDataPoint(color, (int) dx, (int) pX, baseY, pY, context);
      }
      if (showMissingData) {

        // Draw from lastPx + 1  to pX - 1;
        int w = (int) pX - lastPx - 4;
        if (w > 0) {
          noDataGraphics.fillRect(lastPx + 2, (int) arect.getY(), w, (int) arect.getHeight());
        }
      }
      if (!Float.isNaN(dataY)) {

        lastPx = (int) pX + (int) dx;
      }
    }
    if (showMissingData) {
      int w = (int) arect.getMaxX() - lastPx - 4;
      if (w > 0) {
        noDataGraphics.fillRect(lastPx + 2, (int) arect.getY(), w, (int) arect.getHeight());
      }
    }
  }
Ejemplo n.º 3
0
  @Override
  public void renderBorder(Track track, RenderContext context, Rectangle arect) {

    Rectangle adjustedRect = calculateDrawingRect(arect);

    // Draw boundaries if there is room
    if (adjustedRect.getHeight() >= 10) {

      /// TrackProperties pros = track.getProperties();

      // midline

      DataRange axisDefinition = track.getDataRange();
      float maxValue = axisDefinition.getMaximum();
      float baseValue = axisDefinition.getBaseline();
      float minValue = axisDefinition.getMinimum();

      double maxX = adjustedRect.getMaxX();
      double x = adjustedRect.getX();
      double y = adjustedRect.getY();

      if ((baseValue > minValue) && (baseValue < maxValue)) {
        int baseY = computeYPixelValue(adjustedRect, axisDefinition, baseValue);

        getBaselineGraphics(context).drawLine((int) x, baseY, (int) maxX, baseY);
      }

      PreferenceManager prefs = PreferenceManager.getInstance();

      Color altColor = track.getAltColor();
      Color borderColor =
          (prefs.getAsBoolean(PreferenceManager.CHART_COLOR_BORDERS)
                  && altColor != null
                  && altColor.equals(track.getColor()))
              ? track.getColor()
              : Color.lightGray;
      Graphics2D borderGraphics = context.getGraphic2DForColor(borderColor);

      // Draw the baseline -- todo, this is a wig track option?
      double zeroValue = axisDefinition.getBaseline();
      int zeroY = computeYPixelValue(adjustedRect, axisDefinition, zeroValue);
      borderGraphics.drawLine(adjustedRect.x, zeroY, adjustedRect.x + adjustedRect.width, zeroY);

      // Optionally draw "Y" line  (UCSC track line option)
      if (track.isDrawYLine()) {
        Graphics2D yLineGraphics = context.getGraphic2DForColor(Color.gray);
        int yLine = computeYPixelValue(adjustedRect, axisDefinition, track.getYLine());
        GraphicUtils.drawDashedLine(
            borderGraphics, adjustedRect.x, yLine, adjustedRect.x + adjustedRect.width, yLine);
      }

      // If the chart has + and - numbers draw both borders or none. This
      // needs documented somewhere.
      boolean drawBorders = true;

      if (minValue * maxValue < 0) {
        drawBorders =
            prefs.getAsBoolean(PreferenceManager.CHART_DRAW_BOTTOM_BORDER)
                && prefs.getAsBoolean(PreferenceManager.CHART_DRAW_TOP_BORDER);
      }

      if (drawBorders && prefs.getAsBoolean(PreferenceManager.CHART_DRAW_TOP_BORDER)) {
        borderGraphics.drawLine(
            adjustedRect.x, adjustedRect.y, adjustedRect.x + adjustedRect.width, adjustedRect.y);
      }

      if (drawBorders && prefs.getAsBoolean(PreferenceManager.CHART_DRAW_BOTTOM_BORDER)) {
        borderGraphics.drawLine(
            adjustedRect.x,
            adjustedRect.y + adjustedRect.height,
            adjustedRect.x + adjustedRect.width,
            adjustedRect.y + adjustedRect.height);
      }
    }
    /*
    (CHART_DRAW_TOP_BORDER));
    prefs.setDrawBottomBorder(getBooleanPreference(CHART_DRAW_BOTTOM_BORDER));
    prefs.setColorBorders(getBooleanPreference(CHART_COLOR_BORDERS));
    prefs.setDrawAxis(getBooleanPreference(CHART_DRAW_Y_AXIS));
    prefs.setDrawTrackName(getBooleanPreference(CHART_DRAW_TRACK_NAME));
    prefs.setColorTrackName(getBooleanPreference(CHART_COLOR_TRACK_NAME));
    prefs.setAutoscale(getBooleanPreference(CHART_AUTOSCALE));
    prefs.setShowDataRange(getBooleanPreference(CHART_SHOW_DATA_RANGE));
     */
  }
Ejemplo n.º 4
0
  /**
   * Method description
   *
   * @param track
   * @param context
   * @param arect
   */
  @Override
  public void renderAxis(Track track, RenderContext context, Rectangle arect) {

    // For now disable axes for all chromosome view
    if (context.getChr().equals(Globals.CHR_ALL)) {
      return;
    }

    super.renderAxis(track, context, arect);

    Rectangle drawingRect = calculateDrawingRect(arect);

    PreferenceManager prefs = PreferenceManager.getInstance();

    Color labelColor =
        prefs.getAsBoolean(PreferenceManager.CHART_COLOR_TRACK_NAME)
            ? track.getColor()
            : Color.black;
    Graphics2D labelGraphics = context.getGraphic2DForColor(labelColor);

    labelGraphics.setFont(FontManager.getFont(8));

    if (prefs.getAsBoolean(PreferenceManager.CHART_DRAW_TRACK_NAME)) {

      // Only attempt if track height is > 25 pixels
      if (arect.getHeight() > 25) {
        Rectangle labelRect = new Rectangle(arect.x, arect.y + 10, arect.width, 10);
        labelGraphics.setFont(FontManager.getFont(10));
        GraphicUtils.drawCenteredText(track.getName(), labelRect, labelGraphics);
      }
    }

    if (prefs.getAsBoolean(PreferenceManager.CHART_DRAW_Y_AXIS)) {

      Rectangle axisRect = new Rectangle(arect.x, arect.y + 1, AXIS_AREA_WIDTH, arect.height);

      DataRange axisDefinition = track.getDataRange();
      float maxValue = axisDefinition.getMaximum();
      float baseValue = axisDefinition.getBaseline();
      float minValue = axisDefinition.getMinimum();

      // Bottom (minimum tick mark)
      int pY = computeYPixelValue(drawingRect, axisDefinition, minValue);

      labelGraphics.drawLine(
          axisRect.x + AXIS_AREA_WIDTH - 10, pY, axisRect.x + AXIS_AREA_WIDTH - 5, pY);
      GraphicUtils.drawRightJustifiedText(
          formatter.format(minValue), axisRect.x + AXIS_AREA_WIDTH - 15, pY, labelGraphics);

      // Top (maximum tick mark)
      int topPY = computeYPixelValue(drawingRect, axisDefinition, maxValue);

      labelGraphics.drawLine(
          axisRect.x + AXIS_AREA_WIDTH - 10, topPY, axisRect.x + AXIS_AREA_WIDTH - 5, topPY);
      GraphicUtils.drawRightJustifiedText(
          formatter.format(maxValue), axisRect.x + AXIS_AREA_WIDTH - 15, topPY + 4, labelGraphics);

      // Connect top and bottom
      labelGraphics.drawLine(
          axisRect.x + AXIS_AREA_WIDTH - 10, topPY, axisRect.x + AXIS_AREA_WIDTH - 10, pY);

      // Middle tick mark.  Draw only if room
      int midPY = computeYPixelValue(drawingRect, axisDefinition, baseValue);

      if ((midPY < pY - 15) && (midPY > topPY + 15)) {
        labelGraphics.drawLine(
            axisRect.x + AXIS_AREA_WIDTH - 10, midPY, axisRect.x + AXIS_AREA_WIDTH - 5, midPY);
        GraphicUtils.drawRightJustifiedText(
            formatter.format(baseValue),
            axisRect.x + AXIS_AREA_WIDTH - 15,
            midPY + 4,
            labelGraphics);
      }

    } else if (track.isShowDataRange() && arect.height > 20) {
      drawScale(track.getDataRange(), context, arect);
    }
  }