Filter data for plot range

Hi Everyone,

For my study we have to design the trimming system of a submarine. For this you can plot a trimming polygon and for each loadcase a corresponding weight and trimming moment. If the loadcase is in the polygon you're fine.

For this exercise that is (obviously) not the case. So we have to add ballast. What I want to do is make matlab calculate the moment and mass for a range of mass and location parameters for the ballast. That part is working fine. I then want Matlab to plot the datapoints in the polygon and check if the values are inside te polygon. That is the part where I'm not sure how to approach it. In the figure three loadcases are plotted (red, green and blue). They all need to fit inside the polygon for a ballast mass and location.

Short version: How can I make matlab filter out datapoints that are not inside the black line in the plot?

Thanks in advance!

(Code in attached doc)

Answer 1

[Ameer Hamza]

See inpolygon(): https://www.mathworks.com/help/matlab/ref/inpolygon.html

[Fabian Leede]

I kinda knew it was possible. But that it is this simple...

Thanks!

[Ameer Hamza]

I am glad to be of help!