Request Input Functions

To request input one of the following calls needs to be made.

Locator

CALL GRQLC(WKID, LCDNR, STAT, TNR, PX, PY)

WKID

(I) Workstation identifier

LCDNR

(I) The number of the logical locator device (usually 1).

STAT

(O) Error status (integer)

TNR

(O) The Normalization Transformation number used to convert the input position to World Coordinates.

PX,PY

(O) The returned coordinates in WC.

String

CALL GRQST(WKID, STDNR, STAT, LOSTR, STR)

WKID

(I) Workstation identifier

STDNR

(I) The number of the logical string device (usually 1).

STAT

(O) Error status (integer)

LOSTR

(O) string length

STR

(O) The returned character string

Stroke

CALL GRQSK(WKID, STDNR, N, STAT, TNR, NPX, PX, PY)

WKID

(I) Workstation identifier

STDNR

(I) The number of the logical stroke device (usually 1).

N

(I) Maximum number of points (size of point arrays).

STAT

(O) Error status (integer)

TNR

(O) The Normalization Transformation number used to convert the input position to World Coordinates.

NPX

(O) Number of points returned.

PX,PY

(O) The returned coordinate arrays (WC).

Valuator

CALL GRQVL(WKID, VLDNR, STAT, VAL)

WKID

(I) Workstation identifier

VLDNR

(I) The number of the logical valuator device (usually 1).

STAT

(O) Error status (integer)

VAL

(O) The returned value (real number).

Choice

CALL GRQCH(WKID, CHDNR, STAT, CHNR)

WKID

(I) Workstation identifier

CHDNR

(I) The number of the logical choice device (usually 1).

STAT

(O) Error status (integer)

CHNR

(O) The returned choice number (integer).

Pick

CALL GRQPK(WKID, PCDNR, STAT, SGNA, PCID)

WKID

(I) Workstation identifier.

PCDNR

(I) The number of the logical pick device (usually 1).

STAT

(O) Error status (integer)

SGNA

(O) Picked segment name.

PCID

(O) Pick identifier (integer set by GSPKID).