Stepping rainbow chase effect element 2

Question

Hi, i'm a total noob here, but i'm making some effects for a musical and at one point in the show I need rainbow lighting going down the stage in columns, stepping in time with the beat. I already have an effect that's close by making an absolute effect with actions 1-7 corresponding to color palettes 1-7 (ROYGBIV), with time set to 0 and dwell set to 1, but how would I go about syncing this effect up across the trusses of lights so all of the colors are consistent down a column of lights? Thank you!

eos moderator · Accepted Answer

Are the lights actually layed out as simmetrically as the drawing suggests? 
 In that case some simple grouping in your channel selection should help: 
 Let's assume your top row is channels 11-17, next in 21-27, 3rd row is 31-37 etc. and group 1 has all channels ordered line by line, one channel after the other. (NB this works without groups as well, this is just for the sake of keeping the example syntax in this reply a bit simpler) 
 The goal for your selection is (11+21+31+41+51+61+71)(12+22+32+42+52+62+72)(13+23+33+43+53+63+73)(14+24+34+44+54+64+74)(15+25+35+45+55+65+75). 
 These parentheses are called subgroups. Everything within a subgroup is treated as one element by the effect, i.e. everything within one pair of parentheses will get the same color. 
 You can get these parentheses with [Shift]&[/] and type all channels manually, or you use the Offset tool to help. 
 Group 1 {Offset} {Channel per Group} 7 Enter will generate this selection for you. 
 And now that you have the selection you can append it with the Effect instruction. 
 Group 1 {Offset} {Channel per Group} 7 Effect 1 Enter. 
 
 Does this help?

eos moderator · Answer

I think i made a mistake in the Offset syntax. Just to check that we're talking about the same thing: 
 
 this is the result of this group 
 running this effect

Stepping rainbow chase effect element 2

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