上位机通过CCD视觉测量孔径
上位机通过CCD视觉测量孔径
上位机通过CCD视觉测量孔径
用摄像机检测物体的孔径，很多场合都用的到，这个例程实现这一功能，结构单位为像素；
可事先自己标定或其他方式，得出像素与mm等长度单位关系
下面是关键代码
- void CMy123View::OnButton1()
- {
- HObject ho_Image, ho_Rims, ho_Holes, ho_Hole;
- HTuple hv_Row, hv_Column, hv_Radius, hv_Width;
- HTuple hv_Height, hv_hWnd, hv_Number, hv_i, hv_MinDistance;
- HTuple hv_MaxDistance, hv_SVal, hv_Ascent, hv_Descent;
- HTuple hv_Width1, hv_Height1;
-
- ReadImage(&ho_Image, "pic/rim.png");
- if (HDevWindowStack::IsOpen())
- HalconCpp::CloseWindow(HDevWindowStack::Pop());
- EdgesSubPix(ho_Image, &ho_Rims, "canny", 4, 20, 40);
- SelectShapeXld(ho_Rims, &ho_Holes, "circularity", "and", 0.7, 1.0);
- SortContoursXld(ho_Holes, &ho_Holes, "upper_left", "true", "row");
- SmallestCircleXld(ho_Holes, &hv_Row, &hv_Column, &hv_Radius);
- GetImageSize(ho_Image, &hv_Width, &hv_Height);
- SetWindowAttr("background_color","black");
- OpenWindow(0,0,hv_Width,hv_Height,(Hlong)m_Dlg.m_hWnd,"","",&hv_hWnd);
- m_Dlg.SetWindowPos(NULL,0,0,hv_Width.I(),hv_Height.I(),SWP_NOZORDER|SWP_SHOWWINDOW);
- HDevWindowStack::Push(hv_hWnd);
- if (!HDevWindowStack::IsOpen())
- return;
- DispObj(ho_Image, HDevWindowStack::GetActive());
- SetColor(HDevWindowStack::GetActive(),"green");
- CountObj(ho_Holes, &hv_Number);
- HTuple end_val11 = hv_Number;
- HTuple step_val11 = 1;
- for (hv_i=1; hv_i.Continue(end_val11, step_val11); hv_i += step_val11)
- {
- SelectObj(ho_Holes, &ho_Hole, hv_i);
- DistancePc(ho_Hole, HTuple(hv_Row[hv_i-1]), HTuple(hv_Column[hv_i-1]), &hv_MinDistance, &hv_MaxDistance);
- DispObj(ho_Hole, HDevWindowStack::GetActive());
- DispCross(hv_hWnd, HTuple(hv_Row[hv_i-1]), HTuple(hv_Column[hv_i-1]), 6, 0);
- TupleString(hv_MinDistance, ".3f", &hv_SVal);
- GetStringExtents(hv_hWnd, "min: "+hv_SVal, &hv_Ascent, &hv_Descent, &hv_Width1, &hv_Height1);
- disp_message(hv_hWnd, "min: "+hv_SVal, "image", HTuple(hv_Row[hv_i-1])-(2*hv_Ascent),
- ((HTuple(hv_Column[hv_i-1])-HTuple(hv_Radius[hv_i-1]))-hv_Width1)-10, "black", "true");
- disp_message(hv_hWnd, "max: "+(hv_MaxDistance.TupleString(".3f")), "image", HTuple(hv_Row[hv_i-1]),
- ((HTuple(hv_Column[hv_i-1])-HTuple(hv_Radius[hv_i-1]))-hv_Width1)-10, "black", "true");
- }
-
- }
- void disp_message (HTuple hv_WindowHandle, HTuple hv_String, HTuple hv_CoordSystem,
- HTuple hv_Row, HTuple hv_Column, HTuple hv_Color, HTuple hv_Box)
- {
- HTuple hv_Red, hv_Green, hv_Blue, hv_Row1Part;
- HTuple hv_Column1Part, hv_Row2Part, hv_Column2Part, hv_RowWin;
- HTuple hv_ColumnWin, hv_WidthWin, hv_HeightWin, hv_MaxAscent;
- HTuple hv_MaxDescent, hv_MaxWidth, hv_MaxHeight, hv_R1;
- HTuple hv_C1, hv_FactorRow, hv_FactorColumn, hv_UseShadow;
- HTuple hv_ShadowColor, hv_Exception, hv_Width, hv_Index;
- HTuple hv_Ascent, hv_Descent, hv_W, hv_H, hv_FrameHeight;
- HTuple hv_FrameWidth, hv_R2, hv_C2, hv_DrawMode, hv_CurrentColor;
-
- GetRgb(hv_WindowHandle, &hv_Red, &hv_Green, &hv_Blue);
- GetPart(hv_WindowHandle, &hv_Row1Part, &hv_Column1Part, &hv_Row2Part, &hv_Column2Part);
- GetWindowExtents(hv_WindowHandle, &hv_RowWin, &hv_ColumnWin, &hv_WidthWin, &hv_HeightWin);
- SetPart(hv_WindowHandle, 0, 0, hv_HeightWin-1, hv_WidthWin-1);
-
- if (hv_Row==-1)
- hv_Row = 12;
- if (hv_Column==-1)
- hv_Column = 12;
- if (hv_Color==HTuple())
- hv_Color = "";
- hv_String = ((""+hv_String)+"").TupleSplit("\n");
- GetFontExtents(hv_WindowHandle, &hv_MaxAscent, &hv_MaxDescent, &hv_MaxWidth, &hv_MaxHeight);
- if (0 != (hv_CoordSystem==HTuple("window")))
- {
- hv_R1 = hv_Row;
- hv_C1 = hv_Column;
- }
- else
- {
- //Transform image to window coordinates
- hv_FactorRow = (1.*hv_HeightWin)/((hv_Row2Part-hv_Row1Part)+1);
- hv_FactorColumn = (1.*hv_WidthWin)/((hv_Column2Part-hv_Column1Part)+1);
- hv_R1 = ((hv_Row-hv_Row1Part)+0.5)*hv_FactorRow;
- hv_C1 = ((hv_Column-hv_Column1Part)+0.5)*hv_FactorColumn;
- }
- //
- //Display text box depending on text size
- hv_UseShadow = 1;
- hv_ShadowColor = "gray";
- if (0 != (HTuple(hv_Box[0])==HTuple("true")))
- {
- hv_Box[0] = "#fce9d4";
- hv_ShadowColor = "#f28d26";
- }
- if (0 != ((hv_Box.TupleLength())>1))
- {
- if (0 != (HTuple(hv_Box[1])==HTuple("true")))
- {
- //Use default ShadowColor set above
- }
- else if (0 != (HTuple(hv_Box[1])==HTuple("false")))
- {
- hv_UseShadow = 0;
- }
- else
- {
- hv_ShadowColor = ((const HTuple&)hv_Box)[1];
- //Valid color?
- try
- {
- SetColor(hv_WindowHandle, HTuple(hv_Box[1]));
- }
- // catch (Exception)
- catch (HalconCpp::HException &HDevExpDefaultException)
- {
- HDevExpDefaultException.ToHTuple(&hv_Exception);
- hv_Exception = "Wrong value of control parameter Box[1] (must be a 'true', 'false', or a valid color string)";
- throw HalconCpp::HException(hv_Exception);
- }
- }
- }
- if (HTuple(hv_Box[0])!=HTuple("false"))
- {
- try
- {
- SetColor(hv_WindowHandle, HTuple(hv_Box[0]));
- }
- catch (HalconCpp::HException &HDevExpDefaultException)
- {
- HDevExpDefaultException.ToHTuple(&hv_Exception);
- hv_Exception = "Wrong value of control parameter Box[0] (must be a 'true', 'false', or a valid color string)";
- throw HalconCpp::HException(hv_Exception);
- }
- hv_String = (" "+hv_String)+" ";
- hv_Width = HTuple();
- HTuple end_val93 = (hv_String.TupleLength())-1;
- HTuple step_val93 = 1;
- for (hv_Index=0; hv_Index.Continue(end_val93, step_val93); hv_Index += step_val93)
- {
- GetStringExtents(hv_WindowHandle, HTuple(hv_String[hv_Index]), &hv_Ascent,
- &hv_Descent, &hv_W, &hv_H);
- hv_Width = hv_Width.TupleConcat(hv_W);
- }
- hv_FrameHeight = hv_MaxHeight*(hv_String.TupleLength());
- hv_FrameWidth = (HTuple(0).TupleConcat(hv_Width)).TupleMax();
- hv_R2 = hv_R1+hv_FrameHeight;
- hv_C2 = hv_C1+hv_FrameWidth;
-
- GetDraw(hv_WindowHandle, &hv_DrawMode);
- SetDraw(hv_WindowHandle, "fill");
- SetColor(hv_WindowHandle, hv_ShadowColor);
- if (0 != hv_UseShadow)
- {
- DispRectangle1(hv_WindowHandle, hv_R1+1, hv_C1+1, hv_R2+1, hv_C2+1);
- }
- SetColor(hv_WindowHandle, HTuple(hv_Box[0]));
- DispRectangle1(hv_WindowHandle, hv_R1, hv_C1, hv_R2, hv_C2);
- SetDraw(hv_WindowHandle, hv_DrawMode);
- }
-
- HTuple end_val115 = (hv_String.TupleLength())-1;
- HTuple step_val115 = 1;
- for (hv_Index=0; hv_Index.Continue(end_val115, step_val115); hv_Index += step_val115)
- {
- hv_CurrentColor = ((const HTuple&)hv_Color)[hv_Index%(hv_Color.TupleLength())];
- if (0 != (HTuple(hv_CurrentColor!=HTuple("")).TupleAnd(hv_CurrentColor!=HTuple("auto"))))
- {
- SetColor(hv_WindowHandle, hv_CurrentColor);
- }
- else
- {
- SetRgb(hv_WindowHandle, hv_Red, hv_Green, hv_Blue);
- }
- hv_Row = hv_R1+(hv_MaxHeight*hv_Index);
- SetTposition(hv_WindowHandle, hv_Row, hv_C1);
- WriteString(hv_WindowHandle, HTuple(hv_String[hv_Index]));
- }
- SetRgb(hv_WindowHandle, hv_Red, hv_Green, hv_Blue);
- SetPart(hv_WindowHandle, hv_Row1Part, hv_Column1Part, hv_Row2Part, hv_Column2Part);
- }
百度云附件：上位机通过CCD视觉测量孔径.rar
如果您认可，可联系功能定制！ 如果您着急，充值会员可直接联系发您资料！  
|
编程吧网友
发表于 2019-4-15 22:55:15