query_grayT_query_grayquery_grayQueryGrayQueryGray (Operator)

Name

query_grayT_query_grayquery_grayQueryGrayQueryGray — Query the displayable gray values.

Signature

Description

query_grayquery_grayquery_grayQueryGrayQueryGray returns all gray values that are used for gray value output (disp_imagedisp_imagedisp_imageDispImageDispImage) and that can be reproduced exactly in the window. They can be set with the set_grayset_grayset_graySetGraySetGray call. The number of displayable gray values can be set with set_system(::'num_gray_*',...:)set_system("num_gray_*",...)set_system("num_gray_*",...)SetSystem("num_gray_*",...)SetSystem("num_gray_*",...) before opening the first window.

Parallelization

• Multithreading type: reentrant (runs in parallel with non-exclusive operators).
• Multithreading scope: local (may only be called from the same thread in which the window, model, or tool instance was created).
• Processed without parallelization.

Parameters

Result

query_grayquery_grayquery_grayQueryGrayQueryGray returns 2 (H_MSG_TRUE), if the window is valid. Otherwise an exception is raised.

Possible Successors

set_grayset_grayset_graySetGraySetGray, disp_regiondisp_regiondisp_regionDispRegionDispRegion

See also

set_grayset_grayset_graySetGraySetGray, disp_imagedisp_imagedisp_imageDispImageDispImage

Module

Foundation