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6.7.5 NUBGIS *(du, dv, m)*

Creates a nurbs surface of degree *du* and *dv* with 3 dimensional
euclidian control points which interpolates a matrix of data points *m*
by Global Interpolation.
*du* and *dv* are number nodes,
and *m* is a typeless node to which the rows of the matrix of data points
are connected.

In the C++ class hierarchy the class created by the NUBGIS keyword is derived
from a general trimmed nurbs surface class (see TNURBSURF, 6.7.22),
so that it can be used at any places where a trimmed nurbs surface is expected
(with the same number format and control point type of course)

The following variations of this keyword exist (some of them
define the same internal structures, and are only defined to allow
consistent naming conventions):

Keyword |
numbers |

**NUBGIS ** |
float |

**NUBGIS_F ** |
float |

**NUBGIS_D ** |
double |

**NUBGIS_F_E3 ** |
float |

**NUBGIS_D_E3 ** |
double |

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2002-01-20