ComplexImageView
: Plot a 2D array of complex¶
This module provides a widget to view 2D complex data.
The ComplexImageView
widget is dedicated to visualize a single 2D dataset
of complex data.
ComplexImageView
class¶
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class
silx.gui.plot.ComplexImageView.
ComplexImageView
(parent=None)[source]¶ Display an image of complex data and allow to choose the visualization.
Parameters: parent – See QMainWindow
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sigDataChanged
¶ Signal emitted when data has changed.
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sigVisualizationModeChanged
¶ Signal emitted when the visualization mode has changed.
It provides the new visualization mode.
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setData
(data=None, copy=True)[source]¶ Set the complex data to display.
Parameters: - data (numpy.ndarray) – 2D complex data
- copy (bool) – True (default) to copy the data, False to use provided data (do not modify!).
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getData
(copy=True)[source]¶ Get the currently displayed complex data.
Parameters: copy (bool) – True (default) to return a copy of the data, False to return internal data (do not modify!). Returns: The complex data array. Return type: numpy.ndarray of complex with 2 dimensions
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getDisplayedData
(copy=True)[source]¶ Returns the displayed data depending on the visualization mode
WARNING: The returned data can be a uint8 RGBA image
Parameters: copy (bool) – True (default) to return a copy of the data, False to return internal data (do not modify!) Return type: numpy.ndarray of float with 2 dims or RGBA image (uint8).
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static
getSupportedVisualizationModes
()[source]¶ Returns the supported visualization modes.
Supported visualization modes are:
- amplitude: The absolute value provided by numpy.absolute
- phase: The phase (or argument) provided by numpy.angle
- real: Real part
- imaginary: Imaginary part
- amplitude_phase: Color-coded phase with amplitude as alpha.
- log10_amplitude_phase: Color-coded phase with log10(amplitude) as alpha.
Return type: tuple of str
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setVisualizationMode
(mode)[source]¶ Set the mode of visualization of the complex data.
See
getSupportedVisualizationModes()
for the list of supported modes.Parameters: mode (str) – The mode to use.
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getVisualizationMode
()[source]¶ Get the current visualization mode of the complex data.
Return type: str
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setColormap
(colormap)[source]¶ Set the colormap to use for amplitude, phase, real or imaginary.
WARNING: This colormap is not used when displaying both amplitude and phase.
Parameters: colormap (Colormap) – The colormap
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getOrigin
()[source]¶ Returns the offset from origin at which to display the image.
Return type: 2-tuple of float
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setOrigin
(origin)[source]¶ Set the offset from origin at which to display the image.
Parameters: origin (float or 2-tuple of float) – (ox, oy) Offset from origin
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getScale
()[source]¶ Returns the scale of the image in data coordinates.
Return type: 2-tuple of float
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setScale
(scale)[source]¶ Set the scale of the image
Parameters: scale (float or 2-tuple of float) – (sx, sy) Scale of the image
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getXAxis
()[source]¶ Returns the X axis
Return type: items.Axis
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getYAxis
()[source]¶ Returns an Y axis
Return type: items.Axis
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setGraphTitle
(title='')[source]¶ Set the plot main title.
Parameters: title (str) – Main title of the plot (default: ‘’)
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