For now, we use the same input variable name as the member name, especially in the constructor. This might causes some problem on the the long run.

Problematic example:

class foo
{
  int variableName;

  //constructor
  foo(int variableName);
};

foo::foo(int variableName):
  variableName(variableName)
{}

Possible solution: add the suffix _in to the input variables:

foo::

In las file format, vlrs info is crucial to correctly describe point's spatial location.
However, if you try to use pyntcloud.las_header.vlrs, you wouldn't get anything, the value is alway none.

Through your source code, I can see you try to use
data["las_header"] = las.header
But it can not pass vlrs or evlrs info into new object, because in laspy, vlrs info is dynamically obtained afterw