i have created a function for loading ASE files into my scene. it starts acting weird when it imports models that have had some sort of extrusion done to one or more of it''s faces. if you have used edit mesh in 3DS then you know what im talking about. basically if you have a single quad with its face extruded the *new* sides of the extrusion do not know where to go. two of the three vertices stay in the normal place but the third vertex goes straight to the origin. for example:

quad ->  A----B
         |\   |
         | \  |
         |  \ |
         |   \|
         D----C
 

there are two triangles here ABC and ACD. vertices A and B stay in place but C goes to the origin. vertices C and D stay in place but A goes to the origin. does that make sense? any ideas of what i could be doing wrong? i doubt its the code but maybe its the file. dunno for sure. thanks -adam

Maybe your 2 points are defined in a local coordinate center ?
Don''t you have extra parameters when reading your points ?

what your function reads ? Coordinates or index ?

when i read in the ASE file its basically in order. read vertices into an array. read in faces orders into another array, and then use the face values (which are the vertex indexes) and draw the triangles from that. i have made a logging file type of thing to tell what is being drawn in order. is it possible that 3DS doesnt know how to handle the "edit mesh" part? maybe it doesnt export the vertices correct or something.

can you post some of the file? I''m working on an ASE file loader too, and haven''t had this problem - I''m intrigued..

here is a test file to show that the extrusions are not working properly.

*3DSMAX_ASCIIEXPORT	200*COMMENT "AsciiExport Version  2.00 - Mon Oct 27 13:55:50 2003"*SCENE {	*SCENE_FILENAME ""	*SCENE_FIRSTFRAME 0	*SCENE_LASTFRAME 100	*SCENE_FRAMESPEED 30	*SCENE_TICKSPERFRAME 160	*SCENE_BACKGROUND_STATIC 0.00	0.00	0.00	*SCENE_AMBIENT_STATIC 0.00	0.00	0.00}*MATERIAL_LIST {	*MATERIAL_COUNT 0}*GEOMOBJECT {	*NODE_NAME "Box01"	*NODE_TM {		*NODE_NAME "Box01"		*INHERIT_POS 0 0 0		*INHERIT_ROT 0 0 0		*INHERIT_SCL 0 0 0		*TM_ROW0 1.00	0.00	0.00		*TM_ROW1 0.00	1.00	0.00		*TM_ROW2 0.00	0.00	1.00		*TM_ROW3 0.00	0.00	0.00		*TM_POS 0.00	0.00	0.00		*TM_ROTAXIS 0.00	0.00	0.00		*TM_ROTANGLE 0.00		*TM_SCALE 1.00	1.00	1.00		*TM_SCALEAXIS 0.00	0.00	0.00		*TM_SCALEAXISANG 0.00	}	*MESH {		*TIMEVALUE 0		*MESH_NUMVERTEX 30		*MESH_NUMFACES 56		*MESH_VERTEX_LIST {			*MESH_VERTEX    0	-6.00	-6.00	0.00			*MESH_VERTEX    1	0.00	-6.00	0.00			*MESH_VERTEX    2	6.00	-6.00	0.00			*MESH_VERTEX    3	-6.00	0.00	0.00			*MESH_VERTEX    4	0.00	0.00	0.00			*MESH_VERTEX    5	6.00	0.00	0.00			*MESH_VERTEX    6	-6.00	6.00	0.00			*MESH_VERTEX    7	0.00	6.00	0.00			*MESH_VERTEX    8	6.00	6.00	0.00			*MESH_VERTEX    9	-6.00	-6.00	12.00			*MESH_VERTEX   10	0.00	-6.00	12.00			*MESH_VERTEX   11	6.00	-6.00	12.00			*MESH_VERTEX   12	-6.00	0.00	12.00			*MESH_VERTEX   13	0.00	0.00	12.00			*MESH_VERTEX   14	6.00	0.00	12.00			*MESH_VERTEX   15	-6.00	6.00	12.00			*MESH_VERTEX   16	0.00	6.00	12.00			*MESH_VERTEX   17	6.00	6.00	12.00			*MESH_VERTEX   18	-6.00	-6.00	6.00			*MESH_VERTEX   19	0.00	-6.00	6.00			*MESH_VERTEX   20	6.00	-6.00	6.00			*MESH_VERTEX   21	6.00	0.00	6.00			*MESH_VERTEX   22	6.00	6.00	6.00			*MESH_VERTEX   23	0.00	6.00	6.00			*MESH_VERTEX   24	-6.00	6.00	6.00			*MESH_VERTEX   25	-6.00	0.00	6.00			*MESH_VERTEX   26	12.00	-6.00	12.00			*MESH_VERTEX   27	12.00	0.00	12.00			*MESH_VERTEX   28	12.00	-6.00	6.00			*MESH_VERTEX   29	12.00	0.00	6.00		}		*MESH_FACE_LIST {			*MESH_FACE    0:    A:    0 B:    3 C:    4 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    1:    A:    4 B:    1 C:    0 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    2:    A:    1 B:    4 C:    5 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    3:    A:    5 B:    2 C:    1 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    4:    A:    3 B:    6 C:    7 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    5:    A:    7 B:    4 C:    3 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    6:    A:    4 B:    7 C:    8 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    7:    A:    8 B:    5 C:    4 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 2 	*MESH_MTLID 1			*MESH_FACE    8:    A:    9 B:   10 C:   13 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE    9:    A:   13 B:   12 C:    9 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   10:    A:   10 B:   11 C:   14 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   11:    A:   14 B:   13 C:   10 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   12:    A:   12 B:   13 C:   16 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   13:    A:   16 B:   15 C:   12 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   14:    A:   13 B:   14 C:   17 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   15:    A:   17 B:   16 C:   13 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 3 	*MESH_MTLID 0			*MESH_FACE   16:    A:    0 B:    1 C:   19 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   17:    A:   19 B:   18 C:    0 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   18:    A:    1 B:    2 C:   20 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   19:    A:   20 B:   19 C:    1 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   20:    A:   18 B:   19 C:   10 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   21:    A:   10 B:    9 C:   18 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   22:    A:   19 B:   20 C:   11 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   23:    A:   11 B:   10 C:   19 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 4 	*MESH_MTLID 4			*MESH_FACE   24:    A:    2 B:    5 C:   21 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   25:    A:   21 B:   20 C:    2 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   26:    A:    5 B:    8 C:   22 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   27:    A:   22 B:   21 C:    5 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   28:    A:   28 B:   29 C:   27 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   29:    A:   27 B:   26 C:   28 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   30:    A:   21 B:   22 C:   17 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   31:    A:   17 B:   14 C:   21 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 5 	*MESH_MTLID 3			*MESH_FACE   32:    A:    8 B:    7 C:   23 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   33:    A:   23 B:   22 C:    8 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   34:    A:    7 B:    6 C:   24 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   35:    A:   24 B:   23 C:    7 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   36:    A:   22 B:   23 C:   16 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   37:    A:   16 B:   17 C:   22 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   38:    A:   23 B:   24 C:   15 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   39:    A:   15 B:   16 C:   23 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 6 	*MESH_MTLID 5			*MESH_FACE   40:    A:    6 B:    3 C:   25 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   41:    A:   25 B:   24 C:    6 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   42:    A:    3 B:    0 C:   18 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   43:    A:   18 B:   25 C:    3 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   44:    A:   24 B:   25 C:   12 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   45:    A:   12 B:   15 C:   24 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   46:    A:   25 B:   18 C:    9 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   47:    A:    9 B:   12 C:   25 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 7 	*MESH_MTLID 2			*MESH_FACE   48:    A:   14 B:   11 C:   26 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   49:    A:   26 B:   27 C:   14 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   50:    A:   11 B:   20 C:   28 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   51:    A:   28 B:   26 C:   11 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   52:    A:   20 B:   21 C:   29 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   53:    A:   29 B:   28 C:   20 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   54:    A:   21 B:   14 C:   27 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3			*MESH_FACE   55:    A:   27 B:   29 C:   21 AB:    1 BC:    1 CA:    0	 *MESH_SMOOTHING 	*MESH_MTLID 3		}		*MESH_NUMTVERTEX 0		*MESH_NORMALS {			*MESH_FACENORMAL 0	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 0	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 3	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 4	0.00	0.00	-1.00			*MESH_FACENORMAL 1	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 4	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 1	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 0	0.00	0.00	-1.00			*MESH_FACENORMAL 2	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 1	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 4	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 5	0.00	0.00	-1.00			*MESH_FACENORMAL 3	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 5	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 2	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 1	0.00	0.00	-1.00			*MESH_FACENORMAL 4	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 3	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 6	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 7	0.00	0.00	-1.00			*MESH_FACENORMAL 5	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 7	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 4	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 3	0.00	0.00	-1.00			*MESH_FACENORMAL 6	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 4	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 7	0.00	0.00	-1.00				*MESH_VERTEXNORMAL 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it''s not the file -- i can load it fine. I see a cube with a smaller cube extruded out, presumably from one of the faces in 3dsmax. If you look at the file you can see that there''s only one vertex at the origin - so unless that isn''t supposed to be there, it''s not likely to be the file.

I''d look at the vertex indexing first if I were you, double check that everythings getting loaded in properly, to the right places.

you saw the right thing if you could see the point at the origin.... except the point shouldnt be there. ill take a deeper look into it. thanks for pointing that out.