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OpenGL OpenGl and Open Inventor

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Hi, I am currently having problems displaying using OpenGl a model loaded from an Open Inventor format file. The parsing of the file is working correctly and I am able to get out the vertices, normals etc. but when I come to rendering it it appears as though it is incomplete. I am not applying texutres to the model when I render it and I am using GL_LINES to output it as wireframe and have tried it with GL_POLYGON and neither appear to look correct. To render the model I am creating a calllist and then just displaying the call list. To load the verticies I am looping throught the parsed vertices for the number of vertices that it states are present and making a call to glVertex3f with the values for each vertex. I am hoping that someone may beable to suggest some things to try that may fix the problem. Thanks Dragoncar

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