- Describe the diagram border as a polygon. That just means you need to get the sequence of points on the boundary, IN SEQUENCE, as a closed curve.
- Use a tool like Doug Schwarz's intersections code, as found on the file exchange.
When chromaticity diagram meets a line
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Salad Box
am 4 Apr. 2022
Beantwortet: Image Analyst
am 5 Apr. 2022
Hi,
I used Matlab to plot a chromaticity diagram, then I plotted a line with a function y=ax+b with known a and b.
I am just wondering for the two points p1 and p2 where the line meets the chromaticity diagram, how to get the x and y values of p1 and p2?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/952284/image.png)
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John D'Errico
am 4 Apr. 2022
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Image Analyst
am 5 Apr. 2022
Try diving into the code:
>> edit plotChromaticity.m
See what you can learn from that.
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