[Rd] rgl pinch and zoom under Windows 8.1

Duncan Murdoch murdoch.duncan at gmail.com
Thu Jun 5 03:33:39 CEST 2014

On 03/06/2014, 2:02 PM, Dominick Samperi wrote:
> Under Windows 8.1 with a touch screen, the pinch gesture
> causes an rgl plot to expand (zoom in) instead of contract, the opposite of
> what I would expect. When using a map app, for example, the pinch
> gesture causes the map to contract (zoom out).

rgl has no support for pinch gestures, so your OS is translating the 
message into something else, which rgl is acting on.  I'd guess it's the 
scroll wheel.

So I guess you should see if you can configure it to translate to the 
opposite direction of rotation.

Duncan Murdoch

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