[FEATURE] triangle relative size by data units

[hxse]

Problem description

The size property of the triangle is pixel units, but I want to find a size property by data units, like radius property of circle.

Feature description

Add data units property for change triangle size.

Potential alternatives

I don't know what to do.

Additional information

No response

[bryevdv]

I think I am 👎 on this. This use-case can presently be accomplished via Patches or MultiPolygons and I don't it is common enough to warrant the added complexity of an entire new glyph. I might be convinced that adding a generic "n-gon" glyph with a data radius is worth it.