Technical Topics to do with Graphics

This section attempts to explain some of the technical aspects of using software and graphics on networked computers. It covers both Unix and Windows operating systems, and explains how the Oasys suite utilises these.

If all you want to know is how to set up the DISPLAY environment variable click here .

If you want to troubleshoot X11 graphics problems click here

Otherwise read on...

Window Managers

What is a window manager?

What are the main differences between X11 and "Windows" window managers?

What inter-operability is there between X11 and Microsoft Windows?

What window managers will the Oasys LS-DYNA Environment run under?

Graphics

A brief description of how modern graphics hardware works.

The graphics card

Bit-planes

Hidden-surface removal

Shading and Lighting

Double-buffering

Texture Mapping

Overlay Planes

Graphics over a network

The network link

2D X11 graphics

3D OpenGL graphics

Special aspects of networked graphics

More about graphics hardware

What are the "client" and the "server"?

What are X11 "visuals"?

What visuals does Oasys LS-DYNA Environment use?

How does OpenGL work with X11?

What are OpenGL "objects"?

The "X Virtual Frame Buffer" (Xvfb) server

Controlling Graphics in Oasys LS-DYNA Environment

Opening an X11 connection to a display

The syntax of the DISPLAY variable

The simple case: displaying on this machine <= Probably all you need to know

Directing networked graphics with the DISPLAY variable

Setting DISPLAY on Unix and Linux systems

Setting DISPLAY on Windows systems

Troubleshooting X11 graphics

The Oasys LS-DYNA Environment "Menu Interface" Configuring Menu Interface environment variables.

Setting the correct physical resolution for your display.

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