njCardinalSpline | Japanese
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Cardinal spline correction function

### Syntax

      #include <Ninja.h>
      void  njCardinalSpline(float *idata, float *odata, NJS_SPLINE *attr, float frame);
      float       *idata
      float       *odata
      NJS_SPLINE  *attr
      float       frame

### Arguments

idata
  Input data (but idata[3*4])
odata
  Output data (but odata[3])
attr
  Spline attribute
frame
  Frame

### Return Value

  None

### Error

  None

### Description

  Spline curve correction value is stored in the specified argument.
  Please set the frame number to a value between 0 and 1.
  For the attributes, please specify tension at the fparam member
  (attr->fparam[0]) of the spline attribute structure.

### Usage Example

      #include <NINJA.H>
      #define X1    1.f
      #define Y1    0.f
      #define Z1    0.f
      #define X2    5.f
      #define  TENSION  0.2f
      ...........

      float idata[3][4] =
      {
        {X1, Y1, Z1},
        {X2, Y2, Z2},
        {X3, Y3, Z3},
        {X4, Y4, Z4},
      };
      float odata[3];
      NJS_SPLINE  attr;

      ...........
      attr.fparam[0] = TENSION;
      njCardinalSpline((float*)idata, odata, &attr, 0.5f);
      ...........

### Remark

  None

### Related Items

  njOverhauserSpline
  njKochanekSpline

njCardinalSpline |
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