openalea.oalab.scene package

Submodules

openalea.oalab.scene.view3d module

class openalea.oalab.scene.view3d.Viewer(session, controller, parent=None)

Bases: openalea.grapheditor.observer.AbstractListener, openalea.oalab.scene.view3d.view3D

Widget of 3D Viewer to show the scene.

actions()

mainMenu()

Returns:Name of menu tab to automatically set current when current widget

begin current.

notify(sender, event=None)

resetzoom()

setScene(scenes)

Set the scene (erase old scene if necessary)

Class overloaded to use an autofocus if you add a first object in the scene

Parameters:scene – dict with every sub-scenes to add

show_entire_scene()

show_fps()

show_hide_axis()

show_hide_grid()

zoomin()

zoomout()

openalea.oalab.scene.view3d.main()

class openalea.oalab.scene.view3d.view3D(parent=None, scene=None, statefilename='.temp_scene.xml', shareWidget=None)

Bases: PyQGLViewer.QGLViewer

This class is used to create and manipulate a 3 dimensions scene. This scene is based on QGLViewer. For the moment, we have only one view of this scene.

addToScene(obj)

Add a new object in existing scene

Parameters:obj – object to add in the scene

defaultScene()

Create a default scene. Here she is empty.

Returns:the scene

draw()

Draw the scene

getScene()

Returns:the scene (orderedDict)

plot(scene)

save(fname, format)

selection()

setScene(scenes)

Set the scene (erase old scene if necessary)

Parameters:scene – dict with every sub-scenes to add

start()

update_radius()

Set the scene radius to 110% of the max size in the scene

waitSelection(txt)

openalea.oalab.scene.vplscene module

openalea.oalab.scene.vplscene.Scene

alias of VPLScene

class openalea.oalab.scene.vplscene.VPLScene(*args, **kwds)

Bases: collections.OrderedDict, openalea.grapheditor.observer.Observed

Scene for OALab. Singleton.

This class inherit from ordered dict. But when the dict is modified, self.signaler emit a qt signal (arg=self). This is really usefull to realize automatic updates of viewer!

add(name='unnamed object', obj='None')

Add a new object in the scene.

Parameters:

• name – name of the object to add in the scene
• obj – object to add

block()

Block sent of signals. Useful to add many objects in the scene without refresh the viewer

clear()

getScene()

Returns:the scene (ordered dict)

instance = None

popitem(last=True)

release()

Release signals sending and update scene.

rename(oldname, newname)

Try to rename object named ‘oldname’ in ‘newname’.

Parameters:

• oldname – str of the name of scene component to access
• newname – str of the name to set

reset()

clear the scene

update()

Module contents