g1.setColor(Color.RED);
VariableNumber x = model.getMatrix().getVariables()[xVar];
x.setRangeIntervallo(x.getIndexMin(xMin), x.getIndexMax(xMax), yMin, yMax, yVar);
try {
initShow(x.Size());
} catch (InterruptedException e1) {
e1.printStackTrace();
} catch (InvocationTargetException e1) {
e1.printStackTrace();
}