PyQtGraph uses OpenGL to provide a 3D scenegraph system. This system is functional but still early in development. Current capabilities include:
- 3D view widget with zoom/rotate controls (mouse drag and wheel)
- Scenegraph allowing items to be added/removed from scene with per-item transformations and parent/child relationships.
- Triangular meshes
- Basic mesh computation functions: isosurfaces, per-vertex normals
- Volumetric rendering item
- Grid/axis items
See the API Reference and the Volumetric (GLVolumeItem.py) and Isosurface (GLMeshItem.py) examples for more information.
Basic usage example:
## build a QApplication before building other widgets import pyqtgraph as pg pg.mkQApp() ## make a widget for displaying 3D objects import pyqtgraph.opengl as gl view = gl.GLViewWidget() view.show() ## create three grids, add each to the view xgrid = gl.GLGridItem() ygrid = gl.GLGridItem() zgrid = gl.GLGridItem() view.addItem(xgrid) view.addItem(ygrid) view.addItem(zgrid) ## rotate x and y grids to face the correct direction xgrid.rotate(90, 0, 1, 0) ygrid.rotate(90, 1, 0, 0) ## scale each grid differently xgrid.scale(0.2, 0.1, 0.1) ygrid.scale(0.2, 0.1, 0.1) zgrid.scale(0.1, 0.2, 0.1)