IDS peak ICV v1.1.0
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GainFeature Class Reference
Inheritance diagram for GainFeature:

Public Member Functions

None __init__ (self, GainModule module)
 Creates a gain feature for an existing gain module.
 
bool enabled (self)
 Indicates whether the feature is currently enabled.
 
None enabled (self, bool value)
 Enables or disables the feature.
 
None reset_to_default (self)
 Resets the all gain values to 1.0.
 
float red (self)
 Retrieves the current red gain.
 
None red (self, float value)
 Sets the red gain value.
 
float green (self)
 Retrieves the current green gain.
 
None green (self, float value)
 Sets the green gain value.
 
float blue (self)
 Retrieves the current blue gain.
 
None blue (self, float value)
 Sets the blue gain value.
 
float master (self)
 Retrieves the current master gain.
 
None master (self, float value)
 Sets the master gain value.
 
Interval range (self)
 Retrieves the valid range for the gamma correction exponent.
 

Protected Attributes

 _module = module
 

Detailed Description

Gain is an image pipeline feature that applies gain correction to an image.

Supported pixel formats
  • Mono8
  • Mono10
  • Mono12
  • Mono16
  • BayerBG8
  • BayerBG10
  • BayerBG12
  • BayerGB8
  • BayerGB10
  • BayerGB12
  • BayerRG8
  • BayerRG10
  • BayerRG12
  • BayerGR8
  • BayerGR10
  • BayerGR12

See the Pixel and Pixel Format Specifications for a detailed description of the pixel formats.

Gain is used to adjust pixel intensities either uniformly across all color channels using the master gain, or individually per channel using the red, green, and blue gains. With master gain, image brightness can be increased. With color gains, the white balance can be adjusted. For color images, gain is applied as follows::

red_value_out   = red_value_in   * red_gain   * master_gain
green_value_out = green_value_in * green_gain * master_gain
blue_value_out  = blue_value_in  * blue_gain  * master_gain

where red_value_in, green_value_in, and blue_value_in are the input red, green, and blue channel values, respectively, and red_value_out, green_value_out, and blue_value_out are the corresponding output values. All RGB values are normalized to the range [0.0, 1.0]. For mono images, the color gains are ignored and applied as follows::

gray_value_out = gray_value_in * master_gain

where gray_value_in is the input and gray_value_out the output value, normalized to the range [0.0, 1.0].

Warning: Excessive gain values may cause clipping and loss of image detail in bright areas.

Default configuration:

  • Master gain = 1.0
  • Red gain = 1.0
  • Green gain = 1.0
  • Blue gain = 1.0
Since
ids_peak_icv 1.0

Definition at line 8 of file gain_feature.py.

Constructor & Destructor Documentation

◆ __init__()

None __init__ ( self,
GainModule module )

Creates a gain feature for an existing gain module.

Parameters
moduleReference to the underlying module
Since
ids_peak_icv 1.0

Definition at line 46 of file gain_feature.py.

Member Function Documentation

◆ blue() [1/2]

float blue ( self)

Retrieves the current blue gain.

Returns
The current blue gain.
Since
ids_peak_icv 1.0

Definition at line 146 of file gain_feature.py.

◆ blue() [2/2]

None blue ( self,
float value )

Sets the blue gain value.

Sets the color gain for the blue channel. The valid range for the gain value can be obtained using the range property.

Parameters
valueThe blue gain value to set.
Exceptions
OutOfRangeExceptionIf the gain value is outside the valid range.
Since
ids_peak_icv 1.0

Definition at line 157 of file gain_feature.py.

◆ enabled() [1/2]

bool enabled ( self)

Indicates whether the feature is currently enabled.

Returns
True if enabled; otherwise, False.
Since
ids_peak_icv 1.0

Reimplemented from IFeature.

Definition at line 57 of file gain_feature.py.

◆ enabled() [2/2]

None enabled ( self,
bool value )

Enables or disables the feature.

Parameters
valueSet to True to enable the feature, or False to disable it.
Since
ids_peak_icv 1.0

Reimplemented from IFeature.

Definition at line 68 of file gain_feature.py.

◆ green() [1/2]

float green ( self)

Retrieves the current green gain.

Returns
The current green gain.
Since
ids_peak_icv 1.0

Definition at line 118 of file gain_feature.py.

◆ green() [2/2]

None green ( self,
float value )

Sets the green gain value.

Sets the color gain for the green channel. The valid range for the gain value can be obtained using the range property.

Parameters
valueThe green gain value to set.
Exceptions
OutOfRangeExceptionIf the gain value is outside the valid range.
Since
ids_peak_icv 1.0

Definition at line 129 of file gain_feature.py.

◆ master() [1/2]

float master ( self)

Retrieves the current master gain.

Returns
The current master gain.
Since
ids_peak_icv 1.0

Definition at line 174 of file gain_feature.py.

◆ master() [2/2]

None master ( self,
float value )

Sets the master gain value.

Sets the color gain for the master channel. The valid range for the gain value can be obtained using the range property.

Parameters
valueThe master gain value to set.
Exceptions
OutOfRangeExceptionIf the gain value is outside the valid range.
Since
ids_peak_icv 1.0

Definition at line 185 of file gain_feature.py.

◆ range()

Interval range ( self)

Retrieves the valid range for the gamma correction exponent.

The returned interval specifies the minimum and maximum values that can be passed to value property.

Returns
An Interval representing the valid gamma range.
Since
ids_peak_icv 1.0

Definition at line 202 of file gain_feature.py.

◆ red() [1/2]

float red ( self)

Retrieves the current red gain.

Returns
The current red gain.
Since
ids_peak_icv 1.0

Definition at line 90 of file gain_feature.py.

◆ red() [2/2]

None red ( self,
float value )

Sets the red gain value.

Sets the color gain for the red channel. The valid range for the gain value can be obtained using the range property.

Parameters
valueThe red gain value to set.
Exceptions
OutOfRangeExceptionIf the gain value is outside the valid range.
Since
ids_peak_icv 1.0

Definition at line 101 of file gain_feature.py.

◆ reset_to_default()

None reset_to_default ( self)

Resets the all gain values to 1.0.

Note
The enabled state does not change when calling this function.
Since
ids_peak_icv 1.0

Reimplemented from IFeature.

Definition at line 78 of file gain_feature.py.

Field Documentation

◆ _module

_module = module
protected

Definition at line 54 of file gain_feature.py.