Secure Global Desktop Administration Guide > Applications, documents and hosts > Color quality (--quality)
| Object Manager | Color Quality | Choose a setting from the list. |
|---|---|---|
| Command line | --quality automatic|best|24|21|18|16|15|12|9|6
|
Specify a valid setting. |
The effective color depth displayed on client devices. Reducing color quality reduces bandwidth usage, but also reduces the number of colors which may be displayed.
Note If the Color Depth has been set to 8-bit, this attribute is not available. If the Color Depth has been set to 16-bit, only the 16-bit, 15-bit, 12-bit, 9-bit and 6-bit settings will be available.
The default setting best fixes the color depth at the
most appropriate setting according to network conditions at the time the
user starts the application. The color depth will not change while the session is running.
Specify automatic to allow the quality level to change
at any time during the session depending on network conditions. This setting
works within the following ranges:
The following table shows the effect on color quality of using a numeric quality setting:
| Approximate color quality | ||
|---|---|---|
| Color quality setting | 16 bit applications | 24 bit applications |
| 24 | - | 100% |
| 21 | - | 88% |
| 18 | - | 75% |
| 16 | 100% | 67% |
| 15 | 94% | 63% |
| 12 | 75% | 50% |
| 9 | 56% | 38% |
| 6 | 38% | 25% |
The physical color quality of the client device is not forced to match that of the X session. If a 24-bit color session is being displayed on an 8-bit client device, the client will dither the image locally so that the session can be displayed reasonably.
--quality 12
Sets the color quality to 12-bit color. If the Color Depth has been set to 24-bit, this reduces color quality to approximately 50% on client devices.
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