OGLATTR_LIGHT_LONGITUDE
Data Type: | decimal |
Access: | read/write |
Functions: | OGLGetCtrlAttribute OGLSetCtrlAttribute |
Description: | Specifies the longitudinal position of the selected light. The longitude is the angle between the projection of the light position on the XY-plane and the x-axis in the coordinate system. The point toward which the light shines is defined by the attributes OGLATTR_VIEW_CENTERX, OGLATTR_VIEW_CENTERY, and OGLATTR_VIEW_CENTERZ. The particular light for which this attribute is set is chosen using the global attribute OGLATTR_LIGHT_SELECT. |
LabWindows/CVI Compatibility: |
LabWindows/CVI 5.0 and later |