c++ 使用gen_measure_rectangle2和MeasureProjection

`gen_measure_rectangle2` 和 `MeasureProjection` 都是 Halcon 库中用于测量的函数，其中 `gen_measure_rectangle2` 是用于绘制矩形测量标记的函数，`MeasureProjection` 是用于计算物体表面上某个点的三维坐标的函数。这两个函数通常是结合使用的，以下是一个使用示例：

// 定义矩形测量标记的位置和大小
HTuple row1 = 100, col1 = 100, row2 = 200, col2 = 200;
HTuple width = 20, height = 40;

// 绘制矩形测量标记
HObject rect_measure;
HTuple gen_param_name = "color";
HTuple gen_param_value = "red";
gen_measure_rectangle2(row1, col1, 0, row2, col2, width, height, "bilinear", &rect_measure);

// 设置测量参数
HTuple cam_param = hv_CamParam;
HTuple rel_pose = hv_RelPose;
HTuple ref_point = hv_RefPoint;
HTuple ref_dist = hv_RefDist;
HTuple measure_handle;
gen_measure_object_model_3d(rect_measure, cam_param, rel_pose, ref_point, ref_dist, "point_to_plane", "interpolation", &measure_handle);

// 计算测量结果
HTuple row = 150, col = 150;
HTuple coord_3d;
measure_projection(measure_handle, row, col, &coord_3d);

// 显示结果
disp_obj(rect_measure, window_handle);
disp_3d_coord_system(window_handle, cam_param, 0.05);
disp_line_measure(window_handle, measure_handle);
disp_message(window_handle, coord_3d, "window", 10, 10, "red", "false");

其中，`gen_measure_rectangle2` 函数用于绘制测量标记，`gen_measure_object_model_3d` 函数用于生成三维测量模型，`measure_projection` 函数用于计算测量结果。需要注意的是，这里使用的变量和参数可能与您的实际代码不同，具体使用时需要根据实际情况进行调整。