How to Transition Chart based on datepicker

[floatingpurr]

Sorry for the cross-posting. Can anybody give me some hints about a similar problem here:

How to render transitions properly upon input updates?

Hi there. I’m quite new to observable and I’m try to build a dataviz based on flowers, trying to stick with @mbostock’s reusable chart pattern as much as I can. Here is my very first tentative blueprint: As you can see in the first cells, I inserted transitions for gradients in order to smooth coloring updates. In this working case, there is just a continuous cycle that changes flower data in the same cell. If you scroll down to the bottom of the notebook (ie. The problem with transitions),…

I’ve just read this thread but I still can’t wrap my head around that.