# B-Spline Approximation

(c) 2006 by O.Conrad
Calculates B-spline functions for choosen level of detail. This module serves as basis for the 'Multilevel B-Spline Interpolation' and is not suited as it is for spatial data interpolation from scattered data.
Reference:
- Lee, S., Wolberg, G., Shin, S.Y. (1997): 'Scattered Data Interpolation with Multilevel B-Splines', IEEE Transactions On Visualisation And Computer Graphics, Vol.3, No.3

## Parameters

Points
Input Shapes
Attribute
Table field
Target Grid
Choice
  Available choices: user defined, grid
Resolution
Floating point
  Minimum: 0.001
Left
Floating point
Right
Floating point
Bottom
Floating point
Top
Floating point
Cellsize
Floating point
Columns
Integer
Rows
Integer
Grid
Output Data Object
Grid system
Grid system
Grid
Output Grid