TRI_SURFACE_IO
Read and Write TRI_SURFACE 3D Graphics Files

TRI_SURFACE_IO is a C++ library which reads or writes the 3D graphics information stored in a pair of files that represent a TRI_SURFACE object, that is, a surface described as a collection of triangles.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

TRI_SURFACE_IO is available in a C++ version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

PLY_TO_TRI_SURFACE, a MATLAB program which extracts data from a PLY file and writes it to a TRI_SURFACE file.

TRI_SURFACE, a data directory which has some examples of TRI_SURFACE files.

TRI_SURFACE_DISPLAY, a MATLAB program which reads a TRI_SURFACE 3D graphics file and displays it in a 3D window.

TRI_SURFACE_DISPLAY_OPENGL, a C++ program which displays the 3D graphics information in a TRI_SURFACE file using OpenGL.

TRI_SURFACE_TO_PLY, a MATLAB program which extracts data from a TRI_SURFACE file and writes it to a PLY file.

Source Code:

• tri_surface_io.cpp, the source code.
• tri_surface_io.hpp, the include file.

Examples and Tests:

• tri_surface_io_test.cpp, a sample calling program.
• tri_surface_io_test.txt, the output file.
• sphere_nodes.txt, the node file for a TRI_SURFACE "sphere" triangular mesh.
• sphere_triangles.txt, the triangle file for a TRI_SURFACE "sphere" triangular mesh.
• cube_nodes.txt, the node file for a TRI_SURFACE "cube" triangular mesh.
• cube_triangles.txt, the triangle file for a TRI_SURFACE "cube" triangular mesh.

List of Routines:

• CH_CAP capitalizes a single character.
• CH_EQI is true if two characters are equal, disregarding case.
• CH_TO_DIGIT returns the integer value of a base 10 digit.
• DTABLE_CLOSE_WRITE closes a file to which a DTABLE was to be written.
• DTABLE_DATA_READ reads the data from a DTABLE file.
• DTABLE_DATA_WRITE writes data to a DTABLE file.
• DTABLE_HEADER_READ reads the header from a DTABLE file.
• DTABLE_HEADER_WRITE writes the header of a DTABLE file.
• DTABLE_WRITE writes information to a DTABLE file.
• FILE_COLUMN_COUNT counts the number of columns in the first line of a file.
• FILE_ROW_COUNT counts the number of row records in a file.
• I4_MAX returns the maximum of two I4's.
• I4_MIN returns the smaller of two I4's.
• I4MAT_TRANSPOSE_PRINT prints an I4MAT, transposed.
• I4MAT_TRANSPOSE_PRINT_SOME prints some of an I4MAT, transposed.
• ITABLE_DATA_READ reads data from an ITABLE file.
• ITABLE_DATA_WRITE writes data to an ITABLE file.
• ITABLE_HEADER_READ reads the header from an ITABLE file.
• ITABLE_HEADER_WRITE writes the header of an ITABLE file.
• ITABLE_WRITE writes information to an ITABLE file.
• R8_EPSILON returns the R8 roundoff unit.
• R8MAT_TRANSPOSE_PRINT prints an R8MAT, transposed.
• R8MAT_TRANSPOSE_PRINT_SOME prints some of an R8MAT, transposed.
• S_LEN_TRIM returns the length of a string to the last nonblank.
• S_TO_I4 reads an I4 from a string.
• S_TO_I4VEC reads an I4VEC from a string.
• S_TO_R8 reads an R8 from a string.
• S_TO_R8VEC reads an R8VEC from a string.
• S_WORD_COUNT counts the number of "words" in a string.
• TIMESTAMP prints the current YMDHMS date as a time stamp.
• TIMESTRING returns the current YMDHMS date as a string.
• TRI_SURFACE_PRINT prints graphics information from a pair of TRI_SURFACE files.
• TRI_SURFACE_READ reads graphics information from a pair of TRI_SURFACE files.
• TRI_SURFACE_SIZE determines the size of a TRI_SURFACE object.
• TRI_SURFACE_SIZE_PRINT prints sizes associated with a TRI_SURFACE file.
• TRI_SURFACE_WRITE writes graphics information to a pair of TRI_SURFACE files.

You can go up one level to the C++ source codes.