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Name

xyzc - binary format for colorized point data, with optional velocities

Synopsis




Description

xyzc data is used as a compact fileformat to store point data,
with positional, color, and optionally velocity information, primarely
for the purpose of 3D viewing with programs like xyzview(1NEMO)
. 

Colors
are stored as (small) integers; most models in NEMO use only a few (up
to 16 or so) colors. For compactness, it is best to store the point data
in single precision. 

Tsf

An example of a PointData set, with velocities,
as seen through tsf(1NEMO)
 looks as follows: 


set PointData
  float Tpoint 10.0000 
  int Npoint 0400 
  float Position[256][3] -4.98145 -0.748152 -0.191633 -6.10421 
    0.119759 1.92620 -4.82857 0.0294401 0.0555099 -4.86905 -0.487407 
    . . .
  float Velocity[256][3] -0.979005 -0.0859801 0.0507055 -0.846533 
    0.208974 0.263324 -0.614061 -0.354721 -0.539217 -1.46307 0.148926 
    . . .
tes



See Also

snapxyz(1NEMO)
, xyzview(1NEMO)
, snap3dv(1NEMO)
, tsf(1NEMO)
, snapshot(5NEMO)



Author

Joshua Barnes, Peter Teuben 

Files




~/src/nbody/xyz      snapxyz.c, xyzview.c



Update History




14-feb-93    documentation written        PJT
30-mar-97    exported into NEMO



 




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