ftp.nice.ch/pub/next/tools/screen/backspace/Lorenz.NIH.bs.tar.gz#/LorenzBackSpaceModules/LorenzViewPart.h

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//This code is the work of Booker C. Bense (benseb@next.sdsc.edu)
// You are free to change/distribute this code provided this notice
// remains intact in all versions. 
#import "BackView.h"
#define NUMPOINTS 10000
#define PI 3.1415926
#define R 28.0
#define S 10.0 
#define B 2.666666666
#define delta_T (0.01 * (25.0 / R ) )
#define Xmin -25.0
#define Ymin -30.0
#define Zmin 0.0
#define Yrange 60.0
#define Xrange 50.0 
#define Zrange 60.0
#define CHASERS 10
#define RED 0
#define GREEN 1
#define BLUE 2

//@interface LorenzView:BackView
@interface LorenzView:View
{
  int p,n;
  int points[CHASERS];
  

  double X,Y,Z;
  float theta,phi; 
  float urx,ury, midx, midy,cos_arg;
  float xc[NUMPOINTS],yc[NUMPOINTS]; 
  double xdot,ydot,zdot; 
  int up,i,red_shift,blue_shift;
  float cl_clut[CHASERS],twobit_clut[CHASERS]; 
  float *clut; 
  int winNum; 
}

- oneStep;
- newSize;
@end

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.