s3dlib.surface.ParametricLine

class s3dlib.surface.ParametricLine(rez, operation=None, name=None, **kwargs)

Bases: s3dlib.surface.ColorLine3DCollection

Create single line from a parametric function with domain [0,1]

Parameters:

• rez (integer, optional, default: 0) – Number of recursive bisection of line segments. Rez values range from 0 to 7. If rez is less than zero, negative value will be the number of segments.
• operation (function object) – Function that takes one argument, a Numpy float array. The function domain is [0.0, 1,0] and returns a 3 X N array of xyz coordinates.
• name (str, optional, default: function object name) – if not a lambda function, otherwise string ‘’.

Other Parameters:  

**kwargs – All other parameters are passed on to ‘s3dlib.surface.ColorLine3DCollection’.

map_xySlice_from_datagrid(datagrid, scale=None, **kargs)

Using a datagrid, lines of z=f(x) or z=f(y) in domain [-1, 1]

Parameters:

• datagrid (2D float array) –
• scale (multiplier for the Z direction.) –
• xplane (contour at a constant value of x=xplane) –
• yplane (contour at a constant value of y=xplane) –
• xset (number of evenly spaced contours, y-axis normal plane) –
• yset (number of evenly spaced contours, x-axis normal plane) –

Returns:

self (ParametricLine object)

map_xySlice_from_op(operation, **kargs)

Using a functional operation, lines of z=f(x) or z=f(y) in domain -1 to 1.

Parameters:

• operation (function object) – Function that takes one argument, a Numpy float 3 X N array of xyz coordinates in the domain. The return value is a 3 X N array of xyz coordinates.
• xplane (contour at a constant value of x=xplane) –
• yplane (contour at a constant value of y=xplane) –
• xset (number of evenly spaced contours, y-axis normal plane) –
• yset (number of evenly spaced contours, x-axis normal plane) –
• xlim (X domain of operation ( default: [-1,1] )) –
• ylim (Y domain of operation ( default: [-1,1] )) –

Returns:

self (ParametricLine object)

scale_dataframe(X, Y, Z)

Linear scale and translate the lines.

Used for scaling a geometry based on a datagrid.

Parameters:Y, Z (X,) – Minimum and maximum values of the arrays are used to scale and translate the surface from an intial domain of [ (-1,1), (-1,1), (0,1) ] Returns:self (ParametricLine object)