Gray scale connections

René J.V. Bertin rjvbertin at gmail.com
Wed Jan 20 11:07:07 GMT 2021


On Monday January 18 2021 15:00:56 Dan Towle wrote:

>KDRC seems to be a great vnc solution.  I have always set my macs up to 
>connect in 256 gray scale as I am color blind anyway, and the speed of 
>connection is so much faster than color (probably twice the speed).

A quick check suggests it isn't foreseen anyone would want to degrade quality to such an extent, not completely un-understandable given how things like shadows (gradients!) can improve a GUI. My guess would be that using a sufficiently "poor" colour palette on the remote host will allow for better/easier compression and thus also better throughput.

Either way, since I discovered the vncviewer client that comes with TigerVNC (which I installed for its server) I have rarely used krdc anymore. I like that it has few additional dependencies but I also find it faster in practice, with a better image (or better updating, hard to say). It also does something different when connecting to Mac hosts; with krdc I get connected to the current session immediately (after entering the general password), with TigerVNC I get a standard login prompt first which means I should be able to connect as a different user than the one currently logged in.

But you'll be more interested in the fact that this VNC client does offer a "medium (256 colours)" option.

R


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