[vtkusers] Help me with vtk file triangle strips

Fri Apr 12 23:05:37 EDT 2002

Randy,

I don't think you have specified your triangle strips correctly. You say 
that there is 1 cell and 138 elements total, then in your first cell you 
claim to have only 48 elements? Perhaps if your 48 were a 138 it would read 
the file.

Lisa

At 05:39 PM 4/12/2002, Randy Dawson wrote:
>I'm struggling to find my errors in triangle strips in a vtk ascii file.
>
>  Here is my error message:
>
>
>ERROR: In C:\Sources\VTK\IO\vtkPolyDataReader.cxx, line 335
>vtkPolyDataReader (0x00A704B8): Unrecognized keyword: 24
>
>I have attached one 48 point triangle strip.  Is it critical on floating
>point format, spacing, line length, linefeed/cr or ?
>This is a cross section of a piece of pipe, a type of well log called a
>caliper.  I want to use vtk to analyze the data and wrote a well log
>(LAS) to vtk converter, but obviously got something wrong.
>
>Thanks,
>
>Randy Dawson
>
>
>
>
>
>
>here is my data:
>
>
># vtk DataFile Version 2.0
>vtk output
>ASCII
>DATASET POLYDATA
>POINTS 48 float
>0.393  1.466 1199.980  0.390  1.457 1199.980  0.386  1.442 1199.980
>0.386  1.441 1199.980  0.386  1.441 1199.980  0.389  1.453 1199.980
>0.392  1.464 1199.980  0.392  1.464 1199.980  0.393  1.466 1199.980
>0.391  1.460 1199.980  0.391  1.460 1199.980  0.388  1.449 1199.980
>0.391  1.458 1199.980  0.387  1.446 1199.980  0.391  1.458 1199.980
>0.388  1.448 1199.980  0.386  1.441 1199.980  0.390  1.455 1199.980
>0.389  1.451 1199.980  0.388  1.448 1199.980  0.391  1.458 1199.980
>0.393  1.466 1199.980  0.390  1.457 1199.980  0.392  1.464 1199.980
>0.393  1.466 1199.950  0.391  1.458 1199.950  0.386  1.441 1199.950
>0.386  1.441 1199.950  0.386  1.439 1199.950  0.389  1.453 1199.950
>0.392  1.464 1199.950  0.392  1.464 1199.950  0.393  1.466 1199.950
>0.392  1.461 1199.950  0.391  1.458 1199.950  0.388  1.449 1199.950
>0.391  1.458 1199.950  0.387  1.446 1199.950  0.391  1.458 1199.950
>0.388  1.448 1199.950  0.386  1.441 1199.950  0.389  1.453 1199.950
>0.389  1.451 1199.950  0.388  1.448 1199.950  0.391  1.458 1199.950
>0.393  1.466 1199.950  0.391  1.458 1199.950  0.393  1.466 1199.950
>TRIANGLE_STRIPS 1 138
>48 0 24 1 24 1 25 1 25 2 25 2 26 2 26 3 26 3 27 3 27 4 27 4 28 4 28 5 28
>5 29 5 29 6 29 6 30 6 30 7 30 7 31 7 31 8 31
>8 32 8 32 9 32 9 33 9 33 10 33 10 34 10 34 11 34 11 35 11 35 12 35 12 36
>12 36 13 36 13 37 13 37 14 37 14 38 14 38 15
>38 15 39 15 39 16 39 16 40 16 40 17 40 17 41 17 41 18 41 18 42 18 42 19
>42 19 43 19 43 20 43 20 44 20 44 21 44 21 45
>21 45 22 45 22 46 23 47 0 47 0 24
>
>
># vtk DataFile Version 2.0
>vtk output
>ASCII
>DATASET POLYDATA
>POINTS 48 float
>0.393  1.466 1199.980  0.390  1.457 1199.980  0.386  1.442 
>1199.980  0.386  1.441 1199.980  0.386  1.441 1199.980  0.389  1.453 1199.980
>0.392  1.464 1199.980  0.392  1.464 1199.980  0.393  1.466 
>1199.980  0.391  1.460 1199.980  0.391  1.460 1199.980  0.388  1.449 1199.980
>0.391  1.458 1199.980  0.387  1.446 1199.980  0.391  1.458 
>1199.980  0.388  1.448 1199.980  0.386  1.441 1199.980  0.390  1.455 1199.980
>0.389  1.451 1199.980  0.388  1.448 1199.980  0.391  1.458 
>1199.980  0.393  1.466 1199.980  0.390  1.457 1199.980  0.392  1.464 1199.980
>0.393  1.466 1199.950  0.391  1.458 1199.950  0.386  1.441 
>1199.950  0.386  1.441 1199.950  0.386  1.439 1199.950  0.389  1.453 1199.950
>0.392  1.464 1199.950  0.392  1.464 1199.950  0.393  1.466 
>1199.950  0.392  1.461 1199.950  0.391  1.458 1199.950  0.388  1.449 1199.950
>0.391  1.458 1199.950  0.387  1.446 1199.950  0.391  1.458 
>1199.950  0.388  1.448 1199.950  0.386  1.441 1199.950  0.389  1.453 1199.950
>0.389  1.451 1199.950  0.388  1.448 1199.950  0.391  1.458 
>1199.950  0.393  1.466 1199.950  0.391  1.458 1199.950  0.393  1.466 1199.950
>TRIANGLE_STRIPS 1 138
>48 0 24 1 24 1 25 1 25 2 25 2 26 2 26 3 26 3 27 3 27 4 27 4 28 4 28 5 28 5 
>29 5 29 6 29 6 30 6 30 7 30 7 31 7 31 8 31
>8 32 8 32 9 32 9 33 9 33 10 33 10 34 10 34 11 34 11 35 11 35 12 35 12 36 
>12 36 13 36 13 37 13 37 14 37 14 38 14 38 15
>38 15 39 15 39 16 39 16 40 16 40 17 40 17 41 17 41 18 41 18 42 18 42 19 42 
>19 43 19 43 20 43 20 44 20 44 21 44 21 45
>21 45 22 45 22 46 23 47 0 47 0 24