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Home/ Questions/Q 422355
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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T19:04:24+00:00 2026-05-12T19:04:24+00:00

I have create my own NSOpenGLView class, right now the data that i want

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I have create my own NSOpenGLView class, right now the data that i want to displayed with an inverted co-ordinate system.

The origin starts at the bottom-left corner. I would like to change it so that the co-ordinate starts at the top-left corner.

How should I inverted the view/setup a new co-ordinate system.

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  1. Editorial Team
    Editorial Team
    2026-05-12T19:04:24+00:00Added an answer on May 12, 2026 at 7:04 pm

    I have the solution

        glPushMatrix();
        glRotatef( 180.0f, 1.0f, 0.0f, 0.0f );
    
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