Color matching issues on VMS (Pixel Mapping)

I am having horrible color matching issues with my Ion and Chroma Q Color Force 72's in the Virtual Media Server .. The are fine in standard channel mode .. but awful in VMS . . Red is correct but everything else is not even close . . Purplish Blue for Yellows. . ..  Green for Blues ..and so on . .

I am using for Color Force 72's patched using the built in fixture Color Force 72 M9 (4 channels RGBA)

they are patched as channels 103 thru 150 (12 cells per fixture)

Channel 175 is the VMS

Channel 176 is Virtual Layer 1

Channel 177 is Virtual  Layer 2

it looks like as a VMS and pixel map I don't have control over the AMBER LEDs .. under the ML CONTROLS tab it does not have a virtual wheel for AMBER . .

They work fine when I set colors by channel . . I have for wheels (RBGA)

 

any ideas?

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  • Paul,

    What version of software are you running on the Ion? 

    I am not seeing any issues between the output values of pixel maps and conventional patch (these are the fixtures patched in the standard patch)  for the ChromaQ Color Force 72 fixtures. 

    For VMS, there won't be an Amber parameter.  We use RGB and/or HS to calculate the color output for all different color configurations.  For the Color Force fixtures we convert RGB to HS and then HS to RGBA to output.  The output values are exactly the same for the VMS and conventional for me.

    Several things to look try:
    - When using the VMS, you can set the CrossFade parameter of the Virtual Server to -100 to set the output priority of 100% to VMS and then no values from the fixtures patched conventionally are being output.
    - Do you have an intensity level of the Color Force fixtures patched conventionally when you are using the VMS?  The output of VMS and conventionals HTP when CrossFade is set to 0% (Home).

    If you are still having problems, please send me your show file and I can take a look at your show.  Email is eos (at) etcconnect (dot) com.  Please put Attn: Steven Peterson and reference this forum.

    Please let me know if you have any other questions.

  • I "worked around" the issue by setting both the Ion (running 1.9.6) and the Color Force 72 to three color RBG and let the fixtures do the heavy lifting in regards to AMBER values . . . that seems to work as expected . .

    what it looked to me was that it was sending RED data to RED address, BLUE data to AMBER address and GREEN data to BLUE Address . . . but since I "fixed it" I am leery of going back just to check my suspicions . . when things slow down again I may set them up and test that theory . . .

  • You are correct and you have also found the work around.  It is a bug in 1.9.6 that was fixed in 1.9.8. 

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