Halcon saves/reads the ROI area to generate an empty object, and adds objects to the empty object

Storage area reading area (small piece left and right detection)

read_region，write_region,

Create an empty object, add objects to the empty object

gen_empty_region,gen_empty_obj, concat obj

*绘制矩ROI区域，并保存
dev_display (Image)
draw_rectangle2 (WindowHandle, Row3, Column3, Phi1, Length1, Length2)
gen_rectangle2