(Color Random) Error message "Object reference not set to an instance of an object"

hieunguyen · November 25, 2020, 10:26am

Hi everyone,

I’m working with color random,
I have some mistakes when linking material to custom preview.
So I wish someone could help me.

Thanks a lot.
Color random.zip (6.4 MB)

hieunguyen · November 26, 2020, 1:08am

It works fine at the first time, but when changing the value of the slider (jitter) the error message appears.

603419608 · November 26, 2020, 6:07am

‘Hi
You can try to use the “Colour” component to convert types.

Uploading: 1.jpg…

hieunguyen · November 26, 2020, 6:12am

Thank you so much,
It worked!

603419608 · November 26, 2020, 6:14am

Also try this.

hieunguyen · November 26, 2020, 6:23am

Thanks a lot,
That working fine.
Anyway, Do you know how to bake that geometries including colors for the result?

603419608 · November 26, 2020, 6:30am

You can use the “Human” plugin:https://www.food4rhino.com/app/human

hieunguyen · November 26, 2020, 6:33am

Thanks alot for yor help @603419608
I will try.

hieunguyen · November 27, 2020, 12:47am

Hi,
One more question, I would like to ask your help.
When we working with color random, I want 2 identical colors not to be arranged side by side as little as possible.
Do you know any way to do for that condition, or how to control the random seed number/jitter number?
Thanks a lot.

DavidRutten · November 27, 2020, 1:04am

You will not be able to solve that using a better seed selector. These kinds of constraints are difficult to achieve in grasshopper because they typically involve iterating over the collection while looking at the rest of the collection. This will almost certainly require custom looping code.

hieunguyen · November 27, 2020, 1:41am

Thank for your quick reply.
I got it. So that means no way to find a good seed/fitter value, it is completely try to sliding till to meet a sequence we actually like.