halcon视觉第十六讲 halcon在窗口上显示中文汉字


read_image(image, ‘particle’)

get_image_size(image, width, height)

dev_open_window(0, 0, width, height, ‘black’, WindowHandle)

dev_set_draw(‘margin’)

dev_set_color(‘green’)

threshold(image, Region, 128, 255)

connection(Region, ConnectedRegions)

select_shape_std(ConnectedRegions, SelectedRegions, ‘max_area’, 70) //选择面积最大的区域

area_center(SelectedRegions, Area, Row, Column)//获取区域的面积大小,中心点的横坐标和列坐标

dev_display(image)

dev_display(SelectedRegions)

set_tposition(WindowHandle, height/2, 0)

write_string(WindowHandle, ‘面积最大区域的行坐标:’ + Row + ‘面积最大区域的列坐标’ + Column)


  目录