copy displayToModel displayToModel displayToWorld enableZoom getCenterW getDpiX getDpiY getHeight getMaxViewScale getMinViewScale getViewScale getWidth getWndRect getWndRectM getWndRectW getWorldLimits getWorldToDisplayX getWorldToDisplayY getZoomTimes getZoomValue GiTransform GiTransform m_impl modelToDisplay modelToWorld setModelTransform setResolution setViewScaleRange setWndSize setWorldLimits worldToDisplay worldToModel zoom zoomByFactor zoomPan zoomScale zoomTo zoomTo zoomWnd ~GiTransform

getMinViewScale() float GiTransform::getMinViewScale ( ) const 返回最小显示比例