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Handedness, and is the top viewport rotated?

We currently migrating a project from UDK to UE4, and noticed that the top viewport is displayed differently in each engine. The coordinate system is the same, but UDK has Y running left to right, vs UE4 which has X running left to right. Below are screenshots showing this, using the same model as a test. It's not a problem once we figured out what was going on, we can just tilt our heads 90* every so often until we finish rebuilding. But I was curious if there was a specific reason for the change? Is it possible to create custom orthographic viewports for the sake of preference?

On a similar note, it is (or will it be) possible to change the coordinate system to right-handed? This is also just out of curiosity, as I know it would make some folks very happy. :)



Product Version: UE 4.10
udk.jpg (301.7 kB)
ue4.jpg (328.2 kB)
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asked Feb 25 '16 at 01:59 AM in Using UE4

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