inverse view direction

fehrsZBFB9 — Mon, 06 Jul 2020 09:11:24 GMT

Hallo Community,

I have the following code to set the current view:

AcGeVector3d viewDirection; AcGeVector3d upVector; acgsGetOrthoViewParameters( ac::getVar(ac::CVPORT), AcDb::OrthographicView::kTopView, &viewDirection, &upVector ); auto pView = acgsGetCurrentAcGsView(ac::getVar(ac::CVPORT)); pView->setView(AcGePoint3d::kOrigin, AcGePoint3d::kOrigin + viewDirection, upVector, pView->fieldWidth(), pView->fieldHeight()); pView->update(); acgsSetViewParameters(ac::getVar(ac::CVPORT), pView, true, true, true);

It updates the view. But the view Direction is not what I expected. The returned viewDirection is (0,0,1). I expected (0,0,-1) for a Top view. Am I wrong or do I miss something? The WCS is active. "Unten" is German for Bottom.

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inverse view direction