// dat_scale44.java  read and scale Utah graphics .dat with x,y,z,w points
//     dat_scale44 old.dat new.dat xsca ysca zsca wsca xoffs yoffs zoffs woffs
//
//     needs datread44.java  datwrite44.java

import java.io.*;

public class dat_scale44
{
  boolean debug = true;
  double xmin, xmax, ymin, ymax, zmin, zmax, wmin, wmax;
  int pts, pt, k;
  datread44 DR; // = new datread44(filename); // defines data structures
  int num_points = 0; // set from datread
  int num_polys = 0; // set from datread
  double xyzw[][] = new double[2000][4];
    
  public dat_scale44(String filename, String fileout,
		     double xsca, double ysca, double zsca, double wsca,
		     double xoffs, double yoffs, double zoffs, double woffs)
  {
    System.out.println("dat_scale44.java running");
    System.out.println("xsca="+xsca+", ysca="+ysca+", zsca="+zsca+", wsca="+wsca);
    System.out.println("xoffs="+xoffs+", yoffs="+yoffs+", zoffs="+zoffs+", woffs="+woffs);
    System.out.println("datread44.java reading "+filename);
    DR = new datread44(filename); // defines data structures
    num_points = DR.num_points;
    num_polys = DR.num_polys;
    System.out.println("num_points="+DR.num_points+
                       ", num_polys="+DR.num_polys);

    System.out.println("print polygons");
    k = 0; // polygons
    for(int i=0; i<DR.num_polys; i++)
    {
      pts = DR.data_polys[k++];
      System.out.print(+pts); // no cr
      for(int j=0; j<pts; j++)
      {
        pt = DR.data_polys[k++];
        System.out.print(" "+ pt);
      }
      System.out.println(" ");
    } // end print polygons

    
    System.out.println("print vertices offset then scaled");
    xmin = xsca*(DR.data_points[0].x+xoffs);
    xmax = xsca*(DR.data_points[0].x+xoffs);
    ymin = ysca*(DR.data_points[0].y+yoffs);
    ymax = ysca*(DR.data_points[0].y+yoffs);
    zmin = zsca*(DR.data_points[0].z+zoffs);
    zmax = zsca*(DR.data_points[0].z+zoffs);
    wmin = wsca*(DR.data_points[0].w+woffs);
    wmax = wsca*(DR.data_points[0].w+woffs);
    for(int i=0; i<num_points; i++)
    {
      xyzw[i][0] = (DR.data_points[i].x+xoffs)*xsca; 
      xyzw[i][1] = (DR.data_points[i].y+yoffs)*ysca; 
      xyzw[i][2] = (DR.data_points[i].z+zoffs)*zsca;
      xyzw[i][3] = (DR.data_points[i].w+woffs)*wsca;
      System.out.println(+(i+1)+"  "+xyzw[i][0]+"  "+xyzw[i][1]+
			 "  "+xyzw[i][2]+"  "+xyzw[i][3]);
      xmin = Math.min(xmin, xyzw[i][0]);
      xmax = Math.max(xmax, xyzw[i][0]);
      ymin = Math.min(ymin, xyzw[i][1]);
      ymax = Math.max(ymax, xyzw[i][1]);
      zmin = Math.min(zmin, xyzw[i][2]);
      zmax = Math.max(zmax, xyzw[i][2]);
      wmin = Math.min(wmin, xyzw[i][3]);
      wmax = Math.max(wmax, xyzw[i][3]);
    } // end i

    System.out.println("xmin= "+xmin+",  xmax= "+xmax);
    System.out.println("ymin= "+ymin+",  ymax= "+ymax);
    System.out.println("zmin= "+zmin+",  zmax= "+zmax);
    System.out.println("wmin= "+wmin+",  wmax= "+wmax);
    
    new datwrite44(fileout, xyzw, num_points, DR.data_polys, num_polys);
    System.out.println("dat_scale44 wrote "+fileout);
  } // end dat_scale44 constructor

    
  public static void main(String[] args)
  {
    String filename = args[0]; // read  old.dat
    String fileout = args[1];  // write new.dat
    double xs = 2.0;
    double ys = 2.0;
    double zs = 2.0;
    double ws = 2.0;
    double xf = 0.0;
    double yf = 0.0;
    double zf = 0.0;
    double wf = 0.0;
    
    if(args.length>2) xs = Double.parseDouble(args[2]);
    if(args.length>3) ys = Double.parseDouble(args[3]);
    if(args.length>4) zs = Double.parseDouble(args[4]);
    if(args.length>5) ws = Double.parseDouble(args[5]);
    if(args.length>6) xf = Double.parseDouble(args[6]);
    if(args.length>7) yf = Double.parseDouble(args[7]);
    if(args.length>8) zf = Double.parseDouble(args[8]);
    if(args.length>9) wf = Double.parseDouble(args[9]);
    new dat_scale44(filename, fileout, xs, ys, zs, ws, xf, yf, zf, wf);
  }
} // end class  dat_scale44.java