navis.interfaces.blender.Handler¶

class navis.interfaces.blender.Handler(scaling=0.0001, axes_order=[0, 1, 2], ax_translate=[1, 1, 1])[source]¶

Class that interfaces with scene in Blender.

Parameters:: scaling (float, optional) – scaling factor between navis and Blender coordinates.

Notes

The handler adds neurons and keeps track of them in the scene.
If you request a list of objects via its attributes (e.g. Handler.neurons) or via select(), a ObjectList is returned. This class lets you change basic parameters of your selected neurons.

neurons¶

Type:: returns list containing all neurons

connectors¶

Type:: returns list containing all connectors

soma¶

Type:: returns list containing all somata

selected¶

Type:: returns list containing selected objects

presynapses¶

Type:: returns list containing all presynapses

postsynapses¶

Type:: returns list containing all postsynapses

gapjunctions¶

Type:: returns list containing all gap junctions

abutting¶

Type:: returns list containing all abutting connectors

all¶

Type:: returns list containing all objects

Examples

>>> # This example assumes you have alread imported and set up navis
>>> # b3d module has to be imported explicitly
>>> from navis import b3d
>>> # Get some neurons (you have already set up a remote instance?)
>>> nl = navis.example_neurons()
>>> # Initialize handler
>>> h = b3d.Handler()
>>> # Add neurons
>>> h.add(nl)
>>> # Assign colors to all neurons
>>> h.colorize()
>>> # Select all somas and change color to black
>>> h.soma.color(0, 0, 0)
>>> # Clear scene
>>> h.clear()
>>> # Add only soma
>>> h.add(nl, neurites=False, connectors=False)

__init__(scaling=0.0001, axes_order=[0, 1, 2], ax_translate=[1, 1, 1])[source]¶

Methods

`__init__`([scaling, axes_order, ax_translate])
`add`(x[, neurites, soma, connectors, redraw, ...])	Add neuron(s) to scene.
`alpha`(v)	Change alpha (0-1).
`bevel`(r)	Change bevel of ALL neurons.
`clear`()	Clear all neurons
`color`(r, g, b)	Assign color to all neurons.
`colorize`()	Randomly colorize ALL neurons.
`emit`(v)	Change emit value.
`hide`()	Hide all neuron-related objects.
`select`(x, *args)	Select given neurons.
`unhide`()	Unide all neuron-related objects.
`use_transparency`(v)	Change transparency (True/False).

Attributes

`cn_dict`
`defaults`