DATA VISUALIZATION

I want to plot a (2D/3D) XY graph. What plugin to use for it..?

Replies to This Discussion

Permalink Reply by Daniel González Abalde on March 22, 2017 at 9:29am

Like a heatmap?

http://www.grasshopper3d.com/profiles/blogs/display-heatmap-component

Permalink Reply by vineet_kamboj on March 22, 2017 at 1:11pm

Not exactly a heat map..but the you sent is useful :)

Thanks

Permalink Reply by Joseph Oster on March 22, 2017 at 10:05am

No plugin necessary! Just plot the points and connect them with interpolated curve. If 3D, loft the curves for each "layer".

Permalink Reply by vineet_kamboj on March 22, 2017 at 1:11pm

Thanks for replying..

I used the data recorder to get the coordinates of the points and then I connected it the interpolate curve, but I am not getting the curve. Is there anything else I should be doing?

Attachments:

gh.png, 191 KB

Permalink Reply by Hyungsoo Kim on March 22, 2017 at 1:20pm

Panel output is "Text". Interpolate Curve's V input cannot recognize text.

Connect directly to data recorder.

Permalink Reply by vineet_kamboj on March 22, 2017 at 1:23pm

I tried that as well. Still no curve

Permalink Reply by Daniel González Abalde on March 22, 2017 at 1:27pm

[Cull Duplicates] component.

Permalink Reply by vineet_kamboj on March 22, 2017 at 1:32pm

It worked... Cull Duplicates it is :)

Thanks a lot Daniel and Hyungsoo

Permalink Reply by Joseph Oster on March 22, 2017 at 1:48pm

I can see that 'Cull Duplicates' is necessary, but why are there duplicates at all?

And there should be no need for the data recorder at all; just use the output of 'Rot3D' directly.

Most important of all - POST YOUR CODE! Had you done that, there would be no need for speculation.

Permalink Reply by vineet_kamboj on March 22, 2017 at 2:09pm

I am using a timer which is set to 20ms (using arduino with grasshopper. to get realtime data)..so I get a lot of points for which Cull Duplicates becomes necessary and directly connecting Rot3D to interpolate curve does not work..

Permalink Reply by Joseph Oster on March 22, 2017 at 3:43pm

It can be tricky to avoid duplicate data using data recorder. In that case, I suggest capturing your data (angle values?) and internalizing it so people here can see it and work with it. Use a 'Num' param, right-click and "Internalize data", which will disconnect 'Num' from its input and preserve the values when the GH file is saved (and posted here!).

Duplicate numeric values might be significant for graphing - or can be eliminated before any points are created using 'CSet (Create Set)'. There are many ways to graph data.

Attachments:

graphdata_2017Mar22a.gh, 16 KB

Permalink Reply by Joseph Oster on March 22, 2017 at 4:04pm

I should have used 'PLine' instead of 'IntCrv'. If you connect the data recorder to the 'Num' param, you can simulate what happens from an external source by playing with the 'Seed' slider.

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