上结果： 原图如下： 中间图： 上代码：
* 获取图像及图像尺寸 dev_close_window () read_image (Image, 'D:/HalconWorkplace/img/measuring.jpg') get_image_size (Image, Width, Height) dev_open_window_fit_image (Image, 0, 0, -1, -1, WindowHandle) dev_set_line_width (1) dev_display (Image) * 标记测量位置 draw_line (WindowHandle, Row1, Column1, Row2, Column2) LineParams := [Row1, Column1, Row2, Column2] * 创建测量句柄 create_metrology_model (MetrologyHandle) * 添加测量对象 set_metrology_model_image_size (MetrologyHandle, Width, Height) add_metrology_object_generic (MetrologyHandle, 'line', LineParams, 20, 3, 1, 30, [], [], Index) * 设置测量对象的参数 * set_metrology_object_param (MetrologyHandle, 'all', 'measure_transition', 'negative') * set_metrology_object_param (MetrologyHandle, 'all', 'num_measures',10) * set_metrology_object_param (MetrologyHandle, 'all', 'num_instances', 1) * set_metrology_object_param (MetrologyHandle, 'all', 'measure_sigma', 1) * set_metrology_object_param (MetrologyHandle, 'all', 'measure_length1', 20) * set_metrology_object_param (MetrologyHandle, 'all', 'measure_length2', 5) * set_metrology_object_param (MetrologyHandle, 'all', 'measure_threshold',30) * set_metrology_object_param (MetrologyHandle, 'all', 'measure_interpolation', 'bicubic') * set_metrology_object_param (MetrologyHandle, 'all', 'measure_select', 'all') * set_metrology_object_param (MetrologyHandle, 'all', 'min_score', 0.7) * 执行测量，获取边缘点集 dev_set_color ('yellow') apply_metrology_model (Image, MetrologyHandle) get_metrology_object_measures (Contours, MetrologyHandle, 'all', 'all', Row, Column) dev_set_color ('red') gen_cross_contour_xld (Cross, Row, Column, 6, 0.785398) * 获取最终测量数据和轮廓线 dev_set_color ('green') dev_set_line_width (2) get_metrology_object_result (MetrologyHandle, 'all', 'all', 'result_type', 'all_param', Parameter) get_metrology_object_result_contour (Contour, MetrologyHandle, 'all', 'all', 1.5) * 释放测量句柄 clear_metrology_model (MetrologyHandle)