Heat map visualizing touch pressure on smartphone in x-y space

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Sepp 2019-5-30

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评论： Sepp 2019-5-31

采纳的回答： darova

Hello everybody

I have a dataset where each sample consists of x- and y-position, timestamp and a pressure value of touch input on a smartphone. I have uploaded the dataset here (OneDrive): data.csv

Now, I would like to create a heat map visualizing the pressure distribution in the x-y space. I envision a heat map which looks like the left or right image here

For the heat map of pressure values the problem is that there are 3 dimensions, namely the x- and y-position and the pressure.

I'm happy about every input regarding the creation of the heat map.

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darova 2019-5-30

read about griddata(), surf(), pcolor()

Sepp 2019-5-30

I did but it is not clear to me how to solve my problem. Any code examples providing me some help? Thank you a lot.

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darova 2019-5-31

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Untitled3.m

I did my best, please like it

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Sepp 2019-5-31

Thanks a look. It looks great. I will give it a try and let you know.

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