Package VisionEgg :: Module MoreStimuli :: Class FilledCircle
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Class FilledCircle

source code

         object --+        
                  |        
ClassWithParameters --+    
                      |    
          Core.Stimulus --+
                          |
                         FilledCircle

A circular stimulus, typically used as a fixation point.

(Note, this implementation almost certainly could be made faster
using display lists.)

Parameters
==========
anchor        -- how position parameter is used (String)
                 Default: center
anti_aliasing -- (Boolean)
                 Default: True
color         -- color (AnyOf(Sequence3 of Real or Sequence4 of Real))
                 Default: (1.0, 1.0, 1.0)
num_triangles -- number of triangles used to draw circle (Integer)
                 Default: 51
on            -- draw? (Boolean)
                 Default: True
position      -- position in eye coordinates (AnyOf(Sequence2 of Real or Sequence3 of Real or Sequence4 of Real))
                 Default: (320.0, 240.0)
radius        -- radius in eye coordinates (Real)
                 Default: 2.0



Instance Methods
 
__init__(self, **kw)
Instantiate and get ready to draw.
source code
 
draw(self)
Draw the stimulus.
source code

Inherited from ClassWithParameters: __getstate__, __setstate__, get_specified_type, is_constant_parameter, set, verify_parameters

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

Class Variables
  parameters_and_defaults = VisionEgg.ParameterDefinition({'on':...

Inherited from ClassWithParameters: __safe_for_unpickling__, constant_parameters_and_defaults

Properties

Inherited from object: __class__

Method Details

__init__(self, **kw)
(Constructor)

source code 
Instantiate and get ready to draw.

Set parameter values and create anything needed to draw the
stimulus including OpenGL state variables such display lists
and texture objects.

Overrides: Core.Stimulus.__init__
(inherited documentation)

draw(self)

source code 
Draw the stimulus. (Called by Viewport instance.)

This method is called every frame.  This method actually
performs the OpenGL calls to draw the stimulus.

Overrides: Core.Stimulus.draw
(inherited documentation)

Class Variable Details

parameters_and_defaults

Value:
VisionEgg.ParameterDefinition({'on':(True, ve_types.Boolean, 'draw?'),\
 'color':((1.0, 1.0, 1.0), ve_types.AnyOf(ve_types.Sequence3(ve_types.\
Real), ve_types.Sequence4(ve_types.Real)), 'color'), 'anti_aliasing':(\
True, ve_types.Boolean), 'position':((320.0, 240.0), ve_types.AnyOf(ve\
_types.Sequence2(ve_types.Real), ve_types.Sequence3(ve_types.Real), ve\
_types.Sequence4(ve_types.Real)), 'position in eye coordinates'), 'anc\
hor':('center', ve_types.String, 'how position parameter is used'), 'r\
adius':(2.0, ve_types.Real, 'radius in eye coordinates'), 'num_triangl\
...