Intergeo File Format v1
20080731 to 20100519 sub.

x.y .. : supported SINCE version x.y ...
XX  x  : do not exist in DGS
-------: separate
R / r  : Read Mode for DGS 
W / w  : Write Mode for DGS

A/ Construction

1) Elements

                             | TracenPoche R W |
   point ................... | ----------      |
     homogeneous_coordinates | ----------      |
       double .............. |  3.01c i2g  r   | 
       complex ............. |       XX        |
     euclidean_coordinates . |  3.01c i2g  r w |
     polar_coordinates ..... |  3.01c i2g  r   |
   line .................... | ----------      |
     homogeneous_coordinates | ----------      |
       double .............. |  3.01c i2g  r w |
       complex ............. |       XX        |
   circle .................. | ----------      |
     matrix................. | ----------      |
       double .............. |  3.44       r   |
       complex ............. |       XX        |

2) Constraints

                                                 | TracenPoche R W |
   free_point .................................. |  3.01c i2g  r w |
   free_line ................................... |        XX       |
   point_on_line ............................... |  3.01c i2g  r w |
   point_on_line_segment........................ |  3.44       r w |
   point_on_circle.............................. |  3.44       r w |
   line_through_point........................... |        XX       |
   line_through_two_points ..................... |  3.01c i2g  r w |
   line_angular_bisector_of_two_lines .......... |        XX       |
   line_angular_bisector_of_three_points ....... |  3.01c i2g  r w | ray for TeP
   line_segment_by_points....................... |  3.44       r w |
   directed_line_segment_by_points.............. |  3.44       r x | as line-segment
   ray_from_point_and_vector.................... |        XX       |
   ray_from_point_through_point................. |  3.44       r w |
   line_parallel_to_line_through_point ......... |  3.01c i2g  r w |
   line_perpendicular_to_line_through_point..... |  3.01c i2g  r w |
   point_intersection_of_two_lines ............. |  3.01c i2g  r w |
   midpoint_of_two_points....................... |  3.44       r w |
   midpoint_of_line_segment..................... |  3.44       r w |
   endpoints_of_line_segment.................... |        XX       |
   carrying_line_of_line_segment................ |        XX       |
   starting_point_of_directed_line_segment...... |        XX       |
   end_point_of_directed_line_segment........... |        XX       |
   line_segment_of_directed_line_segment........ |        XX       |
   vector_of_ray................................ |        XX       |
   starting_point_of_ray........................ |        XX       |
   carrying_line_of_ray......................... |        XX       |
   circle_by_center_and_radius.................. |        XX       |
   circle_by_center_and_point................... |  3.44       r w |
   circle_by_three_points....................... |        XX       |
   intersection_points_of_two_circles........... |  3.44       r w |
   other_intersection_point_of_two_circles...... |  3.44       r w |
   intersection_points_of_circle_and_line....... |  3.44       r w |
   other_intersection_point_of_circle_and_line.. |  3.44       r w |
   intersection_points_of_two_conics............ |        XX       |
   intersection_points_of_conic_and_line........ |        XX       |
   other_intersection_point_of_conic_and_line... |        XX       |
   circle_tangent_lines_by_point................ |        XX       |
   foci_of_conic................................ |        XX       |
   center_of_circle............................. |        XX       |
   locus_defined_by_point_on_line................ |  3.44       r w |
   locus_defined_by_point_on_line_segment........ |  3.44       r w |
   locus_defined_by_point_on_circle.............. |  3.44       r w |
   locus_defined_by_point_on_locus............... |        XX       |
   locus_defined_by_line_through_point........... |        XX       |
   symmetry_by_point............................ |  3.44       r w |
   symmetry_by_line............................. |  3.44       r w |
   symmetry_by_circle........................... |        XX       |
   translate.................................... |        XX       |



3) Display

                       | TracenPoche R W |
   style ............. | ----------      |
      label .......... |  3.01c i2g  r w |  for TeP scrip T=Texte(M,"blabla"); 
                       |                 |  { & } replaced by ( & ) : collision with {} options in TeP
   background-color... |  3.44	     r	 |


B/ Private

                  | TracenPoche R W |
   figure.txt ... |  3.01c i2g    w |
   script in TeP text format (for debug)

TeP reads/writes directly *.i2g file via a PHP server(local or online, tested since PHP 4.3)
i2gXMLrw.fla or .swf is developed completely separatly from TeP compilation since TeP 3.01c
by Keops (E.OSTENNE) 2008-2010