void
QvisParallelCoordinatesWidget::redrawScene(QPainter *painter)
{
double sceneWidth = (double)width();
double sceneHeight = (double)height();
double leftAxisX = sceneWidth * AXIS_LEFT_MARGIN;
double axisSpacing = (sceneWidth*(1.0-AXIS_LEFT_MARGIN-AXIS_RIGHT_MARGIN)) /
(double)(axisCount-1);
double tickSpacing = (sceneHeight*(1.0-AXIS_BOTTOM_MARGIN-AXIS_TOP_MARGIN)) /
(double)(TICKS_PER_AXIS+1);
QBrush backgroundBrush(QColor(255,255,255));
qDrawShadePanel(painter,
0, 0, width(), height(), palette(), true, 2, &backgroundBrush);
axisBottomY = (int)(sceneHeight*(1.0-AXIS_BOTTOM_MARGIN) + 0.5);
axisTopY = (int)(sceneHeight*AXIS_TOP_MARGIN + 0.5);
axesXPos.clear();
for (int axisNum = 0; axisNum < axisCount; axisNum++)
{
axesXPos.push_back((int)(leftAxisX + (double)axisNum*axisSpacing + 0.5));
}
ticksYPos.clear();
for (int tickNum = 1; tickNum <= TICKS_PER_AXIS; tickNum++)
{
ticksYPos.push_back((int)(axisTopY + (double)tickNum*tickSpacing + 0.5));
}
double axisLen = (double)(axisBottomY - axisTopY);
double dashAndGapLen = axisLen / ((double)DASHES_PER_AXIS - DASH_GAP_FRACTION);
double dashTopYPos = (double)axisTopY;
int dashLen = (int)(dashAndGapLen * (1.0-DASH_GAP_FRACTION));
dashesTopYPos.clear(); dashesBotYPos.clear();
for (int dashNum = 0; dashNum < DASHES_PER_AXIS; dashNum++)
{
dashesTopYPos.push_back((int)dashTopYPos);
dashesBotYPos.push_back((int)dashTopYPos + dashLen);
dashTopYPos += dashAndGapLen;
}
dashesBotYPos[DASHES_PER_AXIS-1] = axisBottomY;
drawDataCurves(painter);
drawAxes(painter);
drawAxisTitles(painter);
}
void scigraphics::plot::replot()
{
if ( getDrawer() == NULL )
throw std::runtime_error( "Drawer is not initialized" );
prepareForPainting();
clearPlotArea();
drawGraphicsUnderGrid();
drawGrid();
drawGraphicsOverGrid();
drawSelections();
clearBorders();
drawAxis();
drawAxisTicks();
drawAxisLabels();
drawAxisTitles();
drawFloatRectangles();
drawZoomRectangle();
flush();
}
