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6.5.2 PORTING FORTRAN APPLICATIONS

The PHIGS.H file contains the reference to the ISO document used by the implementation.

Always use the GPHIGS PHIGS.H file when compiling with GPHIGS. This file contains implementation dependant parameters necessary to compile correctly a GPHIGS application.

If you plan to port a PHIGS FORTRAN application not written on GPHIGS to GPHIGS V3.0 do the following:

- check the level of the binding used in the application for PHIGS calls.

If the binding is DIS, control each call listed above.

- isolate calls to implementation dependants features: ESCAPE, GDP, GSE, INPUTS

ESCAPE functions are implemented by means of extension function in GPHIGS. GDP are not available. INPUTS have implementation dependant echo type and devices.

- change the OPEN WORKSTATION parameters. See the driver documentation for more details.


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