private List <PointF> NormalizePoints(ProtractorRoi roi)
{
float aspectRatio = 1F;
if (roi.PixelAspectRatio.IsNull)
{
if (!roi.NormalizedPixelSpacing.IsNull)
{
aspectRatio = (float)roi.NormalizedPixelSpacing.AspectRatio;
}
}
else
{
aspectRatio = roi.PixelAspectRatio.Value;
}
List <PointF> normalized = new List <PointF>();
foreach (PointF point in roi.Points)
{
normalized.Add(new PointF(point.X, point.Y * aspectRatio));
}
return(normalized);
}
private IRoiAnalyzerResult Analyze(ProtractorRoi roi, RoiAnalysisMode mode)
{
// Don't show the callout until the second ray is drawn
if (roi.Points.Count < 3)
{
return(new RoiAnalyzerResultNoValue("Protactor", SR.StringNoValue));
}
List <PointF> normalizedPoints = NormalizePoints(roi);
double angle = Vector.SubtendedAngle(normalizedPoints[0], normalizedPoints[1], normalizedPoints[2]);
return(new SingleValueRoiAnalyzerResult("Protactor", SR.FormatAngleDegrees, Math.Abs(angle), String.Format(SR.FormatAngleDegrees, Math.Abs(angle))));
}
private IRoiAnalyzerResult Analyze(ProtractorRoi roi, RoiAnalysisMode mode)
{
// Don't show the callout until the second ray is drawn
if (roi.Points.Count < 3)
{
return new RoiAnalyzerResultNoValue("Protactor", SR.StringNoValue);
}
List<PointF> normalizedPoints = NormalizePoints(roi);
double angle = Vector.SubtendedAngle(normalizedPoints[0], normalizedPoints[1], normalizedPoints[2]);
return new SingleValueRoiAnalyzerResult("Protactor", SR.FormatAngleDegrees, Math.Abs(angle), String.Format(SR.FormatAngleDegrees, Math.Abs(angle)));
}
private List<PointF> NormalizePoints(ProtractorRoi roi)
{
float aspectRatio = 1F;
if (roi.PixelAspectRatio.IsNull)
{
if (!roi.NormalizedPixelSpacing.IsNull)
aspectRatio = (float) roi.NormalizedPixelSpacing.AspectRatio;
}
else
{
aspectRatio = roi.PixelAspectRatio.Value;
}
List<PointF> normalized = new List<PointF>();
foreach (PointF point in roi.Points)
normalized.Add(new PointF(point.X, point.Y*aspectRatio));
return normalized;
}
