protected void Draw(Graphics g, int w, int h)
{
IReferenceFrame f = collection;
ReferenceFrame frame = f.Own;
IPositionCollection pos = collection.Positions;
ICollection <IPosition> l = pos.Positions;
g.FillRectangle(backBrush, 0, 0, (float)w, (float)h);
foreach (IPosition p in l)
{
frame.GetPositon(p, auxPos);
double x = auxPos[0];
double y = auxPos[1];
int xx = (int)(((x - x1) / (x2 - x1)) * (double)w);
int yy = (int)(((y - y1) / (y2 - y1)) * (double)h);
Brush br = drawBrush;
Draw(p, g, xx, yy);
}
}
/// <summary>
/// Prepares itself
/// </summary>
protected virtual void Prepare()
{
IReferenceFrame f = collection;
ReferenceFrame frame = f.Own;
IPositionCollection positions = collection.Positions;
bool first = true;
foreach (IPosition p in positions.Positions)
{
frame.GetPositon(p, auxPos);
if (first)
{
x1 = auxPos[0];
x2 = x1;
y1 = auxPos[1];
y2 = y1;
first = false;
continue;
}
double x = auxPos[0];
double y = auxPos[1];
if (x < x1)
{
x1 = x;
}
if (x > x2)
{
x2 = x;
}
if (y < y1)
{
y1 = y;
}
if (y > y2)
{
y2 = y;
}
}
}