* Ada, DECWindows, GKS - Do I have a chance?
@ 1990-07-06 18:45 David Gawron
1990-07-06 21:04 ` Brian Hanafee
0 siblings, 1 reply; 2+ messages in thread
From: David Gawron @ 1990-07-06 18:45 UTC (permalink / raw)
Dear Ada Folks,
Here is my situation:
- I'm writing some software in DEC Ada on a VAXstation 3100,
- The Software uses DECWindows,
- The software requires GKS-like graphics capabilities
(such as coordinate transformation, clipping, ellipses...)
Are there any Ada packages out there that provide GKS-like
capabilities under DECWindows?
I am willing to consider freeware, public domain, and commercial
products. I would also consider homebrew Ada packages that have
a set of basic coordinate transformations and primitive shape
drawing capabilities.
Thanks,
Dave Gawron
dgg@aplcomm.jhuapl.edu
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Ada, DECWindows, GKS - Do I have a chance?
1990-07-06 18:45 Ada, DECWindows, GKS - Do I have a chance? David Gawron
@ 1990-07-06 21:04 ` Brian Hanafee
0 siblings, 0 replies; 2+ messages in thread
From: Brian Hanafee @ 1990-07-06 21:04 UTC (permalink / raw)
In article <141@aplcomm.JHUAPL.EDU> dgg@aplcomm.jhuapl.edu (David Gawron) writes:
>
[stuff deleted]
> - The software requires GKS-like graphics capabilities
> (such as coordinate transformation, clipping, ellipses...)
>
> Are there any Ada packages out there that provide GKS-like
> capabilities under DECWindows?
>
> I am willing to consider freeware, public domain, and commercial
[more stuff deleted]
You might check out the GKS program in the simtel20 Ada repository.
I haven't used it, but the following is an abstract of the prolog.
The ftp site is wsmr-simtel20.army.mil, and to software is in
the directory PD2:<ADA.GKS>.
-------- SIMTEL20 Ada Software Repository Prologue ------------
[stuff deleted]
--
-- Abstract : The Graphic Kernel System (GKS) is a device
- independent software package which implements
- the draft GKS binding to ANSI Ada for GKS
- levels Ma, Oa, 1a, 2a, Mb, Ob, 1b, Mc, and 1c.
- GKS/Ada will support selective visibility,
- independent VDI and VDM interfaces, the
- configuration of multiple graphic device
- drivers, and independent packaging of the
- various GKS levels.
- The complete GKS will include a prototype
- metafile generator/driver, and a metafile
- interprete. Device-dependent software must
- be included to drive the Lexidata color rastor
- device and the Summagraphics graphics tablet.
- Ada software to support contour processing
- requirements, including grid generation,
- mathematical interpolation and contour map
- generation needs to be developed. Also,
- the GKS and provides for the delivery of
- WIS-compatible equipment capable of high quality
- 35mm color slides directly from graphics displays.
-
- This tool was developed as a precursor for
- the WMCCS Information System (WIS). An
- executable version of the tool has been
- demonstrated. This source code has sub-
- sequently been recompiled but has not under-
- gone extensive testing.
[more stuff deleted]
Brian Hanafee
Advanced Decision Systems
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