Perspective = orthogonal comparison lazarus / 70-OpenGL ---------------------------------------------------------------------- tambok · 2020-05-09 04:03 Hi everyone, how to make the same comparison of views from Orthogonal to perspective or vice versa. I tried it but it only made calculates worse. Any Help? thanks Tbk ---------------------------------------------------------------------- Leledumbo · 2020-05-09 22:10 Well, it takes a bit of math. I don't want to repeat someone who already wrote it nicely: https://stackoverflow.com/questions/54987526/switching-from- perspective-to-orthogonal-keeping-the-same-view-size-of-model-and ---------------------------------------------------------------------- tambok · 2020-05-19 05:54 Thank you, Leledumbo i will take look. Sorry for a long delay answer. Tbk