SAS/CONNECT User's Guide

SAS/GRAPH Software

When SAS/CONNECT and SAS/GRAPH are used together, questions may develop concerning the transfer of catalog entries that contain graphics output, the effect of an IBM 3274 control unit on the graphics display, requirements for the GRLINK driver, insufficient memory messages, the need for a graphics adapter, and options for displaying graphs on the local host. These issues are discussed in the following sections.

IBM 3274 Controller

Question

Does the IBM 3274 control unit have to be customized for graphics in order to use the GRLINK device driver?

Answer

No. Special hardware or configuration is not needed because SAS/CONNECT passes data by using packets. The IBM 3274 control unit has no effect on the remote processing of graphics. You also do not need 3270 emulation software with graphics capabilites. You do need SAS/GRAPH on both your remote host and your local host for remote graphics processing. SAS/GRAPH uses the graphics capabilities of the PC to display the graphics created by the remote host.

Graphics Adapter

Question

Is it possible to transfer graphics catalogs, and is a graphics adapter required?

Answer

Yes. You can transfer graphics catalogs by using one of the following methods:

Use the INCAT and OUTCAT options with the UPLOAD and DOWNLOAD procedures. See The UPLOAD Procedure and The DOWNLOAD Procedure.
Use the GRLINK facility. See Example 3. Compute Services: Remote Graphics Processing. If you choose the GRLINK facility, locally submit the following statement on the local host to transfer the catalog entries without viewing any graphs:
```
goptions nodisplay;
```

Whichever method you use, a graphics adapter is not required.

Requirements for the GRLINK Device Driver

Question

Do you need SAS/GRAPH on a remote host in order to use the GRLINK device driver?

Answer

Yes. SAS/GRAPH is required on both the local host and the remote host.

Rotating Graphics

Question

How can you rotate a graph when you display it on the local host or on an attached hardcopy device?

Answer

GOPTIONS ROTATE should be specified in the local session to rotate the graph. Do not specify GOPTIONS ROTATE in the remote session.

Changing Background Color

Question

How do you change the background color for a graph that you create on the remote host and display on the local host?

Answer

Specify the following statement in the local SAS session before remote-submitting the graphics step:

   goptions cback=color;

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