Logical ``AND'' of each pixel using a bit mask.
The operator ::bit_mask carries out an ``and'' operation of each pixel with a fixed mask. The semantics of the ``and'' operation corresponds to that of C for the respective types (signed char, unsigned char, short, int/long). Only the pixels within the definition range of the image are processed.
Several images can be processed in one call. An output image is generated for every input image.
|
Image (input_object) |
(multichannel-)image(-array) -> Hobject: HImage(Array) ( byte / int1 / int2 / int4 ) |
| Input image(s). | |
|
ImageMask (output_object) |
(multichannel-)image(-array) -> Hobject * : HImage(Array) ( byte / int1 / int2 / int4 ) |
| Result image(s) by combination with mask. | |
|
BitMask (input_control) |
integer -> HTuple.long |
| Bit field | |
| Default value: 128 | |
| List of values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096 | |
| Suggested values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096 | |
If the images are correct (type) the operator ::bit_mask returns the value H_MSG_TRUE. The behavior in case of empty input (no input images available) is set via the operator ::set_system('no_object_result',<Result>) If necessary an exception handling is raised.
Image filters
