Workaround for Qt bugs on OSX:   - use graphics system 'raster' by default   - disable OpenGL in QGraphicsView
Workaround for Qt bugs on OSX:
  - use graphics system 'raster' by default
  - disable OpenGL in QGraphicsView

JenSte/pyqtgraph,ng110/pyqtgraph,gvalentine/pyqtgraph,pbmanis/acq4,campagnola/acq4,ericdill/pyqtgraph,derricw/pyqtgraph,vallsv/pyqtgraph,vallsv/pyqtgraph,pbmanis/acq4,duguxy/pyqtgraph,welshjf/pyqtgraph,mgraupe/acq4,ddamiani/pyqtgraph,Lx37/pyqtgraph,tropp/acq4,petebachant/pyqtgraph,pmaunz/pyqtgraph,hiuwo/acq4,pbmanis/acq4,benvermaercke/pyqtgraph,benvermaercke/pyqtgraph,gvalentine/pyqtgraph,mgraupe/acq4,petebachant/pyqtgraph,meganbkratz/acq4,tropp/acq4,mgraupe/acq4,ng110/pyqtgraph,acq4/acq4,onlyjus/pyqtgraph,mgraupe/acq4,tropp/acq4,jlombacher/pyqtgraph,onlyjus/pyqtgraph,meganbkratz/acq4,mpvismer/pyqtgraph,pbmanis/acq4,ericdill/pyqtgraph,hiuwo/acq4,pmaunz/pyqtgraph,wonkoderverstaendige/MausverPyler,JenSte/pyqtgraph,acq4/acq4,ddamiani/pyqtgraph,acq4/acq4,hiuwo/acq4,hiuwo/acq4,mpvismer/pyqtgraph,derricw/pyqtgraph,gvalentine/pyqtgraph,stscieisenhamer/pyqtgraph,campagnola/acq4,duguxy/pyqtgraph,carlomt/dicom_tools,benvermaercke/pyqtgraph,welshjf/pyqtgraph,carlomt/dicom_tools,nmearl/pyqtgraph,stscieisenhamer/pyqtgraph,tropp/acq4,acq4/acq4,meganbkratz/acq4,ericdill/pyqtgraph,nmearl/pyqtgraph,Lx37/pyqtgraph,welshjf/pyqtgraph,jlombacher/pyqtgraph,wonkoderverstaendige/MausverPyler,meganbkratz/acq4,campagnola/acq4,campagnola/acq4,mgraupe/acq4,onlyjus/pyqtgraph,ddamiani/pyqtgraph,hiuwo/acq4