Rounding the sharpness of the display buffer graph

[ustk]

@orange I've added a Path.roundCorners(var radius) some times ago

[orange]

@ustk said in Rounding the sharpness of the display buffer graph:

@orange I've added a Path.roundCorners(var radius) some times ago

That's great. I tried below method but this doesn't work.

p1 = gr_peakreduct.createPath([a[0], a[1], a[2], a[3]], [0,1,0,-1], 1.0);

p1r = p1.roundCorners(10);
	
g.fillPath(p1r, a);

[ustk]

@orange Strange, that's the way I use it myself in many projects where it works...
And 10 seem to be large enough... Still, have you tried to increase it?

Can you put together a minimal snippet that shows the issue?

[ustk]

@orange You can also try to reduce the width for which you create the path. Using a (so a[2]) means that the path will be create with a 1 pixel granularity regarding the size of the panel. Reducing that value will lead in a smoother path, that you can then draw in the full panel's size so in definitive, reduce the granularity. Then roundCorners should work.

[orange]

@ustk said in Rounding the sharpness of the display buffer graph:

Can you put together a minimal snippet that shows the issue?

No luck, it gives "undefined parameter" error. This is the basic snippet.

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[ustk]

@orange Oh wait... Can you please make a search in the Hise folder for this function roundCorners?

I might just have it locally and didn't make a pull-request...

[orange]

@ustk

I've already checked that. It shows up in the API list.

[ustk]

@orange Oh yes

The function does not return a new path but modifies the existing one. so just drop the p1r

And to reduce the number of points:

p1 = gr_peakreduct.createPath([a[0], a[1], a[2]*0.2, a[3]], [0,1,0,-1], true); // a[2]*20%

But although it works, it looks weird when I am testing it.
In my projects I tend to get the raw buffer and create the path from scratch myself instead of calling DisplayBuffer.createPath()

But since I use it essentially for spectrum curves, it might be an issue with the kind of signal you're using :man_shrugging:

[orange]

@ustk
I already modified the existent path, did you see the snippet?
I think this won’t work because of the same error.

[ustk]

@orange Yes I did, but I don't see where this path has been modified, the width is still the one from the panel with no reduction

p1 = gr_peakreduct.createPath([a[0], a[1], a[2], a[3]], [0,1,0,-1], 1.0);

[a[0], a[1], a[2], a[3]] this is equivalent to just write a