dev_display🔗

HALCON Script

Short description🔗

dev_display — Displays image objects in the current graphics window.

Signature🔗

dev_display( object Object )

Description🔗

dev_display displays an iconic object (image, region, or XLD) in the active graphics window. This is equivalent to a double click on an icon variable inside the variable window.

Attention🔗

Using the code export feature of HDevelop, the code that is generated for this operator may have a different behavior than the related HALCON operator. For a detailed description of the code export of HDevelop graphics operators into the different programming languages see in the “HDevelop User's Guide” the chapter Code Export -> General Aspects of Code Generation -> Graphics Windows.

Parameters🔗

Object (input_object) object(-array) → object

Image objects to be displayed.

Example🔗

(HDevelop)

read_image (Image, 'fabrik')
regiongrowing (Image, Regions, 3, 3, 6, 100)
dev_clear_window ()
dev_display (Image)
dev_set_colored (12)
dev_set_draw ('margin')
dev_display (Regions)

Result🔗

If the values of the specified parameters are correct, dev_display returns 2 (H_MSG_TRUE). Otherwise, an exception is raised and an error code returned.

Combinations with other operators🔗

Combinations

Alternatives

disp_obj, disp_image, disp_region, disp_xld

Module🔗

Foundation