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The graPHIGS Programming Interface : Subroutine Reference
GPRQLC - Request Locator
| GPRQLC
(wsid,
device,
status,
view,
pos) |
Purpose
Use
GPRQLC to have the graPHIGS API
execute a request to the specified locator device.
The locator position and the index
of the view whose matrix was used to convert the location to
World Coordinates (WC) are returned.
Locator input is returned
from the view active for input with the highest input priority
under the cursor.
View 0 is the highest priority view,
unless modified by your application.
Parameters
wsid -- specified by user, fullword integer
Workstation identifier.
device -- specified by user, fullword integer
Locator device number (>=1)
status -- returned by the graPHIGS API, fullword integer
Status
(1=NONE, 2=OK
)
view -- returned by the graPHIGS API, fullword integer
View index.
pos -- returned by the graPHIGS API, 3 short floating-point numbers (WC)
Locator position.
Error Codes
- 25
- SPECIFIED WORKSTATION DOES NOT EXIST
- 140
- DEVICE NUMBER < ONE OR DEVICE NOT AVAILABLE
- 141
- INPUT DEVICE NOT IN CORRECT MODE
- 168
- INPUT DEVICE IS CURRENTLY OWNED BY ANOTHER CONNECTION
Related Subroutines
- GPINLC
- Initialize Locator
- GPLCMO
- Set Locator Mode
- GPQLI
- Inquire List of Logical Input Devices
RCP code
201335559
(X'0C002307')
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