Particle Operators

bpy.ops.particle.brush_edit(stroke=None)

Apply a stroke of brush to the particles

Parameters:stroke (bpy_prop_collection of OperatorStrokeElement, (optional)) – Stroke
bpy.ops.particle.connect_hair(all=False)

Connect hair to the emitter mesh

Parameters:all (boolean, (optional)) – All hair, Connect all hair systems to the emitter mesh
bpy.ops.particle.copy_particle_systems(space='OBJECT', remove_target_particles=True, use_active=False)

Copy particle systems from the active object to selected objects

Parameters:
  • space (enum in ['OBJECT', 'WORLD'], (optional)) –

    Space, Space transform for copying from one object to another

    • OBJECT Object, Copy inside each object’s local space.
    • WORLD World, Copy in world space.
  • remove_target_particles (boolean, (optional)) – Remove Target Particles, Remove particle systems on the target objects
  • use_active (boolean, (optional)) – Use Active, Use the active particle system from the context
bpy.ops.particle.delete(type='PARTICLE')

Delete selected particles or keys

Parameters:type (enum in ['PARTICLE', 'KEY'], (optional)) – Type, Delete a full particle or only keys
bpy.ops.particle.disconnect_hair(all=False)

Disconnect hair from the emitter mesh

Parameters:all (boolean, (optional)) – All hair, Disconnect all hair systems from the emitter mesh
bpy.ops.particle.duplicate_particle_system(use_duplicate_settings=False)

Duplicate particle system within the active object

Parameters:use_duplicate_settings (boolean, (optional)) – Duplicate Settings, Duplicate settings as well, so the new particle system uses its own settings
bpy.ops.particle.dupliob_copy()

Duplicate the current dupliobject

bpy.ops.particle.dupliob_move_down()

Move dupli object down in the list

bpy.ops.particle.dupliob_move_up()

Move dupli object up in the list

bpy.ops.particle.dupliob_refresh()

Refresh list of dupli objects and their weights

bpy.ops.particle.dupliob_remove()

Remove the selected dupliobject

bpy.ops.particle.edited_clear()

Undo all edition performed on the particle system

bpy.ops.particle.hair_dynamics_preset_add(name="", remove_name=False, remove_active=False)

Add or remove a Hair Dynamics Preset

Parameters:
  • name (string, (optional, never None)) – Name, Name of the preset, used to make the path name
  • remove_name (boolean, (optional)) – remove_name
  • remove_active (boolean, (optional)) – remove_active
File:

startup/bl_operators/presets.py:85
bpy.ops.particle.hide(unselected=False)

Hide selected particles

Parameters:unselected (boolean, (optional)) – Unselected, Hide unselected rather than selected
bpy.ops.particle.mirror()

Duplicate and mirror the selected particles along the local X axis

bpy.ops.particle.new()

Add new particle settings

bpy.ops.particle.new_target()

Add a new particle target

bpy.ops.particle.particle_edit_toggle()

Toggle particle edit mode

bpy.ops.particle.rekey(keys_number=2)

Change the number of keys of selected particles (root and tip keys included)

Parameters:keys_number (int in [2, inf], (optional)) – Number of Keys
bpy.ops.particle.remove_doubles(threshold=0.0002)

Remove selected particles close enough of others

Parameters:threshold (float in [0, inf], (optional)) – Merge Distance, Threshold distance within which particles are removed
bpy.ops.particle.reveal(select=True)

Show hidden particles

Parameters:select (boolean, (optional)) – Select
bpy.ops.particle.select_all(action='TOGGLE')

(De)select all particles’ keys

Parameters:action (enum in ['TOGGLE', 'SELECT', 'DESELECT', 'INVERT'], (optional)) –

Action, Selection action to execute

  • TOGGLE Toggle, Toggle selection for all elements.
  • SELECT Select, Select all elements.
  • DESELECT Deselect, Deselect all elements.
  • INVERT Invert, Invert selection of all elements.
bpy.ops.particle.select_less()

Deselect boundary selected keys of each particle

bpy.ops.particle.select_linked(deselect=False, location=(0, 0))

Select nearest particle from mouse pointer

Parameters:
  • deselect (boolean, (optional)) – Deselect, Deselect linked keys rather than selecting them
  • location (int array of 2 items in [0, inf], (optional)) – Location
bpy.ops.particle.select_more()

Select keys linked to boundary selected keys of each particle

bpy.ops.particle.select_random(percent=50.0, seed=0, action='SELECT', type='HAIR')

Select a randomly distributed set of hair or points

Parameters:
  • percent (float in [0, 100], (optional)) – Percent, Percentage of objects to select randomly
  • seed (int in [0, inf], (optional)) – Random Seed, Seed for the random number generator
  • action (enum in ['SELECT', 'DESELECT'], (optional)) –

    Action, Selection action to execute

    • SELECT Select, Select all elements.
    • DESELECT Deselect, Deselect all elements.
  • type (enum in ['HAIR', 'POINTS'], (optional)) – Type, Select either hair or points
bpy.ops.particle.select_roots(action='SELECT')

Select roots of all visible particles

Parameters:action (enum in ['TOGGLE', 'SELECT', 'DESELECT', 'INVERT'], (optional)) –

Action, Selection action to execute

  • TOGGLE Toggle, Toggle selection for all elements.
  • SELECT Select, Select all elements.
  • DESELECT Deselect, Deselect all elements.
  • INVERT Invert, Invert selection of all elements.
bpy.ops.particle.select_tips(action='SELECT')

Select tips of all visible particles

Parameters:action (enum in ['TOGGLE', 'SELECT', 'DESELECT', 'INVERT'], (optional)) –

Action, Selection action to execute

  • TOGGLE Toggle, Toggle selection for all elements.
  • SELECT Select, Select all elements.
  • DESELECT Deselect, Deselect all elements.
  • INVERT Invert, Invert selection of all elements.
bpy.ops.particle.shape_cut()

Cut hair to conform to the set shape object

bpy.ops.particle.subdivide()

Subdivide selected particles segments (adds keys)

bpy.ops.particle.target_move_down()

Move particle target down in the list

bpy.ops.particle.target_move_up()

Move particle target up in the list

bpy.ops.particle.target_remove()

Remove the selected particle target

bpy.ops.particle.unify_length()

Make selected hair the same length

bpy.ops.particle.weight_set(factor=1.0)

Set the weight of selected keys

Parameters:factor (float in [0, 1], (optional)) – Factor, Interpolation factor between current brush weight, and keys’ weights