Parallel Computing

Links

• UNIX_Ten_Commands.pdf
• PuTTY ssh remote.tjhsst.edu
• Kernighan and Ritchie book
• usb.txt

Ray Tracing

Data

• writeppm.c.txt
• initRay.txt
• Pixel center offset 0.5 then scaled
• Upper left
  • -0.165625 0.998958
  Middle
  • 0.501042 0.498958
  Lower right
  • 1.165625 0.001042
• Array of Spheres
  • fscanf
  • wire
    • png txt
    helix
    • png txt
    tree
    • png txt

TO DO

• ray00
• ray01
• ray02
• ray03
  • Italian Sky Blue 178 255 255
  • Royal Purple 120 81 169
  • Checkerboard Floor
    • ymin 0.187468
    • ymax 0.251000
    • How flat is the sphere?
• movie
  • demo
  • frame000.c
  • convert frame000.ppm frame000.jpg
  • frame000.jpg
  • frame360.c
  • ls *jpg
  • convert -delay 10 -loop 0 frame*jpg movieDEMO.gif
  • movieDEMO.gif
• earth
  • mercator82.ppm
  • #define EW 707
  • #define EH 600
  • int ec[EH][EW][3] ;
  • #define DXL 3
  • #define DXR 3
  • #define DYT 4
  • #define DYB 3
• recursion
  • width: 1920
  • height: 1080
  • runtime: 2.5 seconds
  • OpenMP: 1.5 seconds
• triangles
• omp_demo.c