/DV3D

/DV3D, Lab, Key
Sets 3-D device option modes.

Compatible Products: – | Pro | Premium | Enterprise | Ent PP | Ent Solver | DYNA

Lab

Mode label:

ACCU

 — 

Allows ANSYS to use the accumulation buffer for OpenGL graphics. Activating this feature will provide faster model rotation when shaded backgrounds are in use. This feature is off by default.

ACTR

 — 

Label term to designate the cursor position as the center for automatic dynamic rotational center capability. The subsequent Key value (see below) turns this capability on and off. This feature is on by default. (Available for OpenGL displays only)

ANIM

 — 

Animation mode. The ANIM option allows you to create animation frames in pixmap mode instead of display list mode. This may improve large model performance, but it eliminates local manipulation while animation is in progress. This feature is on by default.

ANTI

 — 

Label term to control Anti-aliasing, a smoothing technique for your graph plots. (see below) The subsequent Key value turns this capability on and off. The default for this feature is off. (Available for OpenGL displays only).

CNTR

 — 

Switches banded contours on (1) or off (0) for your 3–D contour display. The default is 1 (ON). Other contour parameters such as number of contours or the increment and range are defined using the /CONTOUR command. When either 9 or 128 contours are specified via /CONTOUR, this command is ignored and a smooth contour is always displayed.

DGEN

 — 

Local manipulation degenerate mode. You access the DGEN option to set wire-frame local manipulation mode for 3-D devices (device dependent). This feature is off by default.

DLIST

 — 

With DLIST, you can specify whether screen updates and redraws will be performed using the ANSYS Display List (off), or the 3-D device's Display List (on). DLIST is on by default for Windows systems, but off for Linux.

DELS

 — 

You use DELS to suppress contour display screen overwrites when /NOERASE is active. This prevents the bleed-through that occurs when you overlay contour plots.

TRIS

 — 

Triangle strip mode. Tri-stripping provides faster 3-D display capabilities and is on by default. Some display enhancements, such as texturing, are adversely affected by tri-stripping. You can turn off tri-stripping in order to improve these display functions. Be sure to turn tri-stripping on after the desired output is obtained.

Key

The following key options apply to Lab = ACCU:

0

 — 

(OFF) The accumulation buffer is not accessed. (default)

1

 — 

(ON) Access to the buffer is enabled.

The following key options apply to Lab = ACTR:

0

 — 

(OFF) The cursor position has no effect on the existing rotational center for dynamic operations.

1

 — 

(ON) The rotational center for dynamic rotations in OpenGL is determined by the position of the mouse cursor on (or within 15 pixels of) the model. Any rotations that are initiated with the cursor more than 15 pixels from the model will occur about the midpoint of the Z-axis at that point in space. If the Z-buffer has not been refreshed the Z-axis will have an infinite value, and rotations will appear to occur about an extremely long Z-axis. This behavior stops when the graphics window is refreshed or replotted. (default)

Note that when using the GUI in 3-D mode, when ACTR = 1, the Rotational Center option is grayed out under Utility Menu> PlotCtrls> View Setting because the rotational center is determined strictly by the position of the mouse cursor.

The following key options apply to Lab = ANIM:

0

 — 

Display list animation. The object can be dynamically manipulated while animating. No legend, countour or annotation items are displayed. (see Notes, below)

1

 — 

On Linux, device-dependent pixmap animation is used. On the PC, bitmap animation is provided (default). When you animate in this mode, you cannot dynamically manipulate your model (see Notes, below).

2

 — 

On the PC only, this option provides AVI animation which uses the AVI movie player .

Although you can create animations of multiple ANSYS window schemes, animations created with OpenGL display lists (/DV3D, ANIM, 0) do not retain the windowing scheme information. You CAN save multiple windows via the X11/WIN32 drivers, or via the OpenGL driver with /DV3D, ANIM, KEY in effect (where KEY is not zero).

The following key options apply to Lab = ANTI

0

 — 

(OFF) Anti-aliasing is not active (default).

1

 — 

(ON) The anti-aliasing technique will be applied to smooth the lines in your displays (valid for OpenGL only).

The following key options apply to Lab = DGEN:

0

 — 

Normal manipulation.

1

 — 

Wireframe Manipulation.

The following key options apply to Lab = DLIST:

0

 — 

(OFF) The ANSYS Display List is used for plotting and dynamic graphics manipulation (Linux default).

1

 — 

(ON) The local (3-D Device) Display List is used for plotting and dynamic rotation (Windows default).

The following key options apply to Lab = TRIS:

0

 — 

(OFF) Tri-stripping is off.

1

 — 

(ON) Tri-stripping is on (default).

This command is valid in any processor.

Notes

ANSYS uses display list animation for its 3-D models. This memory resident array method interfaces with the OpenGL model information to allow the program to efficiently pan, zoom, rotate and dynamically manipulate your model during animation. The logo, legend, contour and other annotation items are produced in 2-D and will not appear when /DV3D, ANIM, 0 is in effect. To display these items, use /DV3D, ANIM, 1. All screen data will be displayed, but manipulation of the model will not be possible.

Menu Paths

Utility Menu>PlotCtrls>Device Options

Release 18.2 - © ANSYS, Inc. All rights reserved.