Perspective Projection Different Scales Demonstration
式4: StartFraction, "z" StartNestedFraction, 5 "f" plus 5 "n" NestedOver "f" minus "n" , EndNestedFraction positive StartNestedFraction, 10 "f" "n" NestedOver "n" minus "f" , EndNestedFraction Over "z" , EndFractionz5f+5nf−n+10fnn−fz
4
式5: StartFraction, "z" StartNestedFraction, 10 "f" NestedOver "f" minus "n" , EndNestedFraction negative StartNestedFraction, 10 "f" "n" NestedOver "f" minus "n" , EndNestedFraction Over "z" , EndFractionz10ff−n−10fnf−nz
5
式6: StartFraction, "f" Over "f" minus "n" , EndFractionff−n
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式7: "z" StartFraction, "f" Over "f" minus "n" , EndFractionzff−n
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式8: StartFraction, "f" "n" Over "n" minus "f" , EndFractionfnn−f