I have draw triangle strips to draw different shapes, I want to use tessellation with triangle strips. how should i do??

ya its done using perspective projection thanks

I have used glOrtho(500, 600, 600, 700, -100, 100) projection with this i want to use camera view settings with gluLookAt() method what should be the parameters for gluLookAt function on this...

Anybody faces this type of problem

1046
Before Rotation it will look like Figure A after rotating it will look Like Figure B I dont want change its shape

Anybody faces this type of problem
1040

Before Rotation it will look like Figure A after rotating it will look Like Figure B I dont want change its shape

I am trying to rotate cube which is placed far away from origin(0,0), like i set model view projection using glOrtho( 80, 81, 25, 26, -100, 100);
When i rotate object it will look like stretched...

thanks for reply, i create application that open dem files in opengl

I want to create an openGL application for manipulating Digital Terrain Model, I got some DTM files but i cant understand the structure of file how to use that data for creation of coordinates in...