/// <summary>
/// 计算从ROI起始点，逆时针沿着ROI
/// 到达ROI中点与指定点连线交ROI于某点时的曲线距离
/// [弧长]
/// </summary>
/// <param name="row"></param>
/// <param name="col"></param>
/// <returns></returns>
public override double GetDistanceFromStartPoint(double row, double col)
{
//计算向量A到向量B的角度，角度范围[-π,π];计算弧长时，圆心角范围[0,2π]
HalconDotNet.HTuple hvAngle = new HalconDotNet.HTuple();
HalconDotNet.HOperatorSet.AngleLl(new HalconDotNet.HTuple(_locateRow),
new HalconDotNet.HTuple(_locateCol),
new HalconDotNet.HTuple(_sizeRow),
new HalconDotNet.HTuple(_sizeCol),
new HalconDotNet.HTuple(_locateRow),
new HalconDotNet.HTuple(_locateCol),
new HalconDotNet.HTuple(row),
new HalconDotNet.HTuple(col), out hvAngle);
if (hvAngle.TupleNotEqual(new HalconDotNet.HTuple()))
{
if (hvAngle[0].D < 0)
{
hvAngle[0] += 2 * Math.PI;
}
}
return(_radius * hvAngle[0].D);
}
/// <summary>
/// 添加图形对象
/// </summary>
/// <param name="hobj"></param>
public void AddHobjEntity(HalconDotNet.HObject hobj)
{
InteractiveROI.HObjectEntity entry;
if (hobj == null)
{
return;
}
HalconDotNet.HObject obj = hobj as HalconDotNet.HObject;
if (obj != null &&
obj.IsInitialized())
{
HalconDotNet.HTuple cls = new HalconDotNet.HTuple();
HalconDotNet.HOperatorSet.GetObjClass(obj, out cls);
if (cls.TupleNotEqual(new HalconDotNet.HTuple()))
{
switch (cls[0].S)
{
case "image":
{
HalconDotNet.HTuple r, c, h = new HalconDotNet.HTuple(), w = new HalconDotNet.HTuple(), area = new HalconDotNet.HTuple();
HalconDotNet.HObject domain;
HalconDotNet.HOperatorSet.GetDomain(obj, out domain);
if (domain != null &&
domain.IsInitialized())
{
HalconDotNet.HOperatorSet.AreaCenter(domain, out area, out r, out c);
}
if (area != null &&
area.TupleNotEqual(new HalconDotNet.HTuple()))
{
HalconDotNet.HOperatorSet.GetImageSize(obj, out w, out h);
}
if (w != null &&
w.TupleNotEqual(new HalconDotNet.HTuple()))
{
if (area[0].I == (w * h)[0].I) //有效图像(即定义域面积等于其宽高乘积)
{
ClearEntities();
if ((h[0].I != _imageHeight) || (w[0].I != _imageWidth))
{
_imageHeight = h;
_imageWidth = w;
ZoomWndFactor = (double)_imageWidth / _hWndCtrl.Width;
SetImagePart(0, 0, h[0].I, w[0].I);
}
}
}
entry = new HObjectEntity(hobj, _grpCntx.CopyGraphicSettings());
_hObjEntityList.Add(entry);
}
break;
case "region":
case "xld_cont":
entry = new HObjectEntity(hobj, _grpCntx.CopyGraphicSettings());
_hObjEntityList.Add(entry);
break;
case "xld_poly":
break;
case "xld_parallel":
break;
default: break;
}
}
if (_hObjEntityList.Count > _MaxNum)
{
_hObjEntityList.RemoveAt(1);
}
}
}
/// <summary>
/// Calculates the ModelROI region for all objects contained
/// in ROIList, by adding and subtracting the positive and
/// negative ROI objects.
/// 计算合成区域(联合结果)
/// </summary>
public bool CalculateSyntheticalRegion()
{
HalconDotNet.HObject tmpAdd, tmpDiff, tmp;
HalconDotNet.HTuple area = new HalconDotNet.HTuple(), row = new HalconDotNet.HTuple(), col = new HalconDotNet.HTuple();
if (_operationFlag == ROI_MODE_NONE)
{
return(true);
}
tmpAdd = new HalconDotNet.HObject();
tmpAdd.GenEmptyObj();
tmpDiff = new HalconDotNet.HObject();
tmpDiff.GenEmptyObj();
tmp = new HalconDotNet.HObject();
tmp.GenEmptyObj();
for (int i = 0; i < ROIList.Count; i++)
{
switch (((ROI)ROIList[i]).GetOperationFlag())
{
case ROI.MODE_NEGATIVE:
HalconDotNet.HOperatorSet.Union2(tmpDiff, ((ROI)ROIList[i]).GetModelRegion(), out tmpDiff);
break;
case ROI.MODE_POSITIVE:
HalconDotNet.HOperatorSet.Union2(tmpAdd, ((ROI)ROIList[i]).GetModelRegion(), out tmpAdd);
break;
}
}
if (_syntheticalRegion != null &&
_syntheticalRegion.IsInitialized())
{
_syntheticalRegion.Dispose();
}
HalconDotNet.HOperatorSet.AreaCenter(tmpAdd, out area, out row, out col);
if (area.TupleNotEqual(new HalconDotNet.HTuple()) &&
area[0].D > 0)
{
if (tmp != null && tmp.IsInitialized())
{
tmp.Dispose();
}
HalconDotNet.HOperatorSet.Difference(tmpAdd, tmpDiff, out tmp);
HalconDotNet.HOperatorSet.AreaCenter(tmp, out area, out row, out col);
if (area.TupleNotEqual(new HalconDotNet.HTuple()) &&
area[0].D > 0)
{
_syntheticalRegion = tmp;
}
}
if (_syntheticalRegion == null || ROIList.Count == 0)
{
return(false);
}
return(true);
}