halcon之机器视觉测量-卡尺测量

流程：

halcon代码如下：

ead_image (ImageModel, 'image/dip_switch_model.png')
get_image_size (ImageModel, Width, Height)
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
dev_display (ImageModel)
dev_set_draw ('margin')
dev_set_color ('yellow')******************************************************测量窗口制作*********************************************
*左边测量直线
draw_line (WindowHandle, HoriLeftBeginRowMode, HoriLeftBeginColumnMode, HoriLeftEndRowMode, HoriLeftEndColumnMode)
gen_region_line (HoriLeftLinesMode, HoriLeftBeginRowMode, HoriLeftBeginColumnMode, HoriLeftEndRowMode, HoriLeftEndColumnMode)
dev_display (HoriLeftLinesMode)*右边测量直线
draw_line (WindowHandle, HoriRightBeginRowMode, HoriRightBeginColumnMode, HoriRightEndRowMode, HoriRightEndColumnMode)
gen_region_line (HoriRightLinesMode, HoriRightBeginRowMode, HoriRightBeginColumnMode, HoriRightEndRowMode, HoriRightEndColumnMode)
dev_display (HoriRightLinesMode)stop()******************************************************创建形状模板*********************************************
*画矩形
draw_rectangle2 (WindowHandle, Row, Column, Phi, Length1, Length2)
*生成矩形
gen_rectangle2 (Rectangle, Row, Column, Phi, Length1, Length2)
*剪切矩形区域图像
reduce_domain (ImageModel, Rectangle, ImageReduced)
*创建形状模型
create_shape_model (ImageReduced, 'auto', 0, rad(360), 'auto', 'none', 'use_polarity', 30, 10, ModelID)
*create_shape_model_xld (SelectedContoursModel, 'auto', rad(0), rad(90), 'auto', 'auto', 'ignore_local_polarity', 3, ModelID)
*在搜索图像中搜索模版
find_shape_model (ImageModel, ModelID, 0, rad(360), 0.4, 1, 0, 'least_squares', 0, 0.7, ModelRow, ModelColumn, ModelAngle, ModelScore)
*获取模板轮廓
get_shape_model_contours (ShapeModel, ModelID, 1)stop ()******************************************************测量模型创建**************************************************创建测量模型
create_metrology_model (MetrologyHandle)
*设置测量对象的图像大小
set_metrology_model_image_size (MetrologyHandle, Width, Height)
*添加测量直线对象到测量模型中
Line1 := [HoriLeftBeginRowMode, HoriLeftBeginColumnMode, HoriLeftEndRowMode, HoriLeftEndColumnMode]
Line2 := [HoriRightBeginRowMode, HoriRightBeginColumnMode, HoriRightEndRowMode, HoriRightEndColumnMode]
add_metrology_object_generic (MetrologyHandle, 'line', [Line1,Line2], 20, 5, 1, 20, [], [], MetrologyLine)
*获取测量模型里的模型轮廓
get_metrology_object_model_contour (ModelContour, MetrologyHandle, 'all', 1.5)
*获取测量模型里的测量区域
get_metrology_object_measures (MeasureContour, MetrologyHandle, 'all', 'all', Row, Column)
*显示图像及轮廓
dev_display (ImageModel)
dev_display (ModelContour)
设置测量对象的参考坐标系原点在模板坐标位置
set_metrology_model_param (MetrologyHandle, 'reference_system', [ModelRow, ModelColumn,0])
stop()******************************************************开始测试*************************************************
*加载离线图像
* Image Acquisition 01: Code generated by Image Acquisition 01
ImageFiles := []
ImageFiles[0] := 'image/dip_switch_model.png'
ImageFiles[1] := 'image/dip_switch_training_01.png'
ImageFiles[2] := 'image/dip_switch_training_02.png'
ImageFiles[3] := 'image/dip_switch_training_03.png'
ImageFiles[4] := 'image/dip_switch_training_04.png'
ImageFiles[5] := 'image/dip_switch_training_05.png'
ImageFiles[6] := 'image/dip_switch_training_06.png'
ImageFiles[7] := 'image/dip_switch_training_07.png'
ImageFiles[8] := 'image/dip_switch_training_08.png'
ImageFiles[9] := 'image/dip_switch_training_09.png'
ImageFiles[10] := 'image/dip_switch_training_10.png'
ImageFiles[11] := 'image/dip_switch_training_11.png'
ImageFiles[12] := 'image/dip_switch_training_12.png'for Index := 0 to |ImageFiles| - 1 by 1*设置区域填充模式dev_set_draw ('fill')*读取图像read_image (Image, ImageFiles[Index])*显示图像dev_display (Image)*在搜索图像中寻找模板find_shape_model (Image, ModelID, 0, rad(360), 0.4, 1, 0, 'least_squares', 0, 0.7, SearchRow, SearchColumn, SearchAngle, SearchScore)*对齐测量模型align_metrology_model (MetrologyHandle, SearchRow, SearchColumn, SearchAngle)*测量并对测量区域拟合几何形状apply_metrology_model (Image, MetrologyHandle)*获取测量结果里的开始行坐标get_metrology_object_result (MetrologyHandle, MetrologyLine, 'all', 'result_type', 'row_begin', RowBegin)*获取测量结果里的开始列坐标get_metrology_object_result (MetrologyHandle, MetrologyLine, 'all', 'result_type', 'column_begin', ColBegin)*获取测量结果里的结束行坐标get_metrology_object_result (MetrologyHandle, MetrologyLine, 'all', 'result_type', 'row_end', RowEnd)*获取测量结果里的结束列坐标get_metrology_object_result (MetrologyHandle, MetrologyLine, 'all', 'result_type', 'column_end', ColEnd)*获取测量区域get_metrology_object_measures (SearchContour, MetrologyHandle, 'all', 'all', Row, Column)*获取测量结果轮廓get_metrology_object_result_contour (MeasuredLines, MetrologyHandle, 'all', 'all', 1.5)*显示测量区域和测量结果轮廓dev_set_color ('green')dev_display (SearchContour)dev_set_color ('blue')dev_display (MeasuredLines)******************************************************距离计算******************************************************************************生成两个直线对象并连接起来gen_empty_obj (RegionLine)for i:=0 to |RowBegin|-1 by 1gen_region_line (Lines, RowBegin[i], ColBegin[i], RowEnd[i], ColEnd[i])concat_obj (RegionLine, Lines, RegionLine)endfor*计算两个直线对象之间的距离select_obj (RegionLine, FirstLine, 1)select_obj (RegionLine, SecondLine, 2)distance_rr_min (FirstLine,SecondLine, MinDistance, Row1, Column1, Row2, Column2)*在屏幕坐上方0，100位置数值长度值dev_set_color ('green')set_tposition (WindowHandle, 0, 100)write_string (WindowHandle, '两条直线之间的距离='+MinDistance)stop()endfor
stop()
*清除测量模型
clear_metrology_model (MetrologyHandle)

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