public void AffineTransform(float xScaleFactor, float yScaleFactor, float translateToX, float translateToY, TraceGroupCornerEnum referenceCorner)
{
var outTraceGroup = new TraceGroup();
float xReference = 0f, yReference = 0f;
float x, y;
if (xScaleFactor <= 0) //invalid
{
}
if (yScaleFactor <= 0)
{
//invalid
}
var box = GetBoundingBox();
switch (referenceCorner)
{
case TraceGroupCornerEnum.XMin_YMin:
xReference = box.XMin;
yReference = box.YMin;
break;
case TraceGroupCornerEnum.XMin_YMax:
xReference = box.XMin;
yReference = box.YMax;
break;
case TraceGroupCornerEnum.XMax_YMin:
xReference = box.XMax;
yReference = box.YMin;
break;
case TraceGroupCornerEnum.XMax_YMax:
xReference = box.XMax;
yReference = box.YMax;
break;
default:
break;
}
foreach (var trace in Traces)
{
var xVec = trace.ChannelX;
var yVec = trace.ChannelY;
var scaleTrace = new Trace();
foreach (var point in trace.Points)
{
//the additive term is to translate back the scaled tracegroup
//so that the corner asked for is preserved at the destination
//(translateToX,translateToY)
x = (point.X * xScaleFactor) / XScaleFactor + (translateToX - (xReference * (xScaleFactor / XScaleFactor)));
//the additive term is to translate back the scaled tracegroup
//so that the corner asked for is preserved at the destination
//(translateToX,translateToY)
y = (point.Y * yScaleFactor) / YScaleFactor + (translateToY - (yReference * (yScaleFactor / YScaleFactor)));
scaleTrace.Points.Add(new PenPoint {
X = x, Y = y
});
}
outTraceGroup.Traces.Add(scaleTrace);
}
Traces = outTraceGroup.Traces;
XScaleFactor = xScaleFactor;
YScaleFactor = yScaleFactor;
//return outTraceGroup;
}
public void AffineTransform(float xScaleFactor, float yScaleFactor, float translateToX, float translateToY, TraceGroupCornerEnum referenceCorner)
{
var outTraceGroup = new TraceGroup();
float xReference = 0f, yReference = 0f;
float x, y;
if (xScaleFactor <= 0) //invalid
{
}
if (yScaleFactor <= 0)
{
//invalid
}
var box = GetBoundingBox();
switch (referenceCorner)
{
case TraceGroupCornerEnum.XMin_YMin:
xReference = box.XMin;
yReference = box.YMin;
break;
case TraceGroupCornerEnum.XMin_YMax:
xReference = box.XMin;
yReference = box.YMax;
break;
case TraceGroupCornerEnum.XMax_YMin:
xReference = box.XMax;
yReference = box.YMin;
break;
case TraceGroupCornerEnum.XMax_YMax:
xReference = box.XMax;
yReference = box.YMax;
break;
default:
break;
}
foreach(var trace in Traces)
{
var xVec = trace.ChannelX;
var yVec = trace.ChannelY;
var scaleTrace = new Trace();
foreach (var point in trace.Points)
{
//the additive term is to translate back the scaled tracegroup
//so that the corner asked for is preserved at the destination
//(translateToX,translateToY)
x = (point.X*xScaleFactor)/XScaleFactor + (translateToX - (xReference*(xScaleFactor/XScaleFactor)));
//the additive term is to translate back the scaled tracegroup
//so that the corner asked for is preserved at the destination
//(translateToX,translateToY)
y = (point.Y*yScaleFactor)/YScaleFactor + (translateToY - (yReference*(yScaleFactor/YScaleFactor)));
scaleTrace.Points.Add(new PenPoint{X=x, Y=y});
}
outTraceGroup.Traces.Add(scaleTrace);
}
Traces = outTraceGroup.Traces;
XScaleFactor = xScaleFactor;
YScaleFactor = yScaleFactor;
//return outTraceGroup;
}
