Plot.WeightedLine¶
- class WeightedLine(x=None, y=None, weights=None)¶
A WeightedLine plots a line where the line width changes along the line.
- Parameters:
x (Sequence | PhysicalQuantity | None) – The x-values of the data.
y (Sequence | PhysicalQuantity | None) – The y-values of the data.
weights (Sequence | None) – The weights of the data. Used for coloring or setting line widths.
- addItem(item, emit=True)¶
Add item as child of this item.
- Parameters:
item (PlotItem based) – The item.
emit (bool) – True, if change should be emitted.
- addSubscriber(subscriber)¶
Add a subscriber. Each subscriber is called once every time the plot item updates.
- Parameters:
subscriber (bound method) – The subscriber. Must be callable.
- addTag(*args)¶
Add tag. Used for grouping plot items.
- Parameters:
*args (tuple of str) – The tags to add.
- alpha()¶
- Returns:
The opacity of the line.
- Return type:
float
- applyStyle(style_scheme=None, style_properties=None)¶
Apply style properties from a style scheme.
- Parameters:
style_scheme (dict) – The style scheme.
style_properties (dict | None) – A specific set of style properties to apply. If None, the style properties are retrieved from the plot model using the given style scheme.
- color()¶
- Returns:
The line color in hex format
- Return type:
str
- colorMap()¶
- Returns:
The current color map.
- Return type:
str
- colorMode()¶
The current color mode.
- Returns:
The color mode.
- Return type:
COLOR_MODES enum
- copy()¶
Make a copy of the plot storable by using the serialize/deserialize functionality.
This creates a new instance with a new id, but all other properties copied.
- emit(key, value=None)¶
Emit a single key and value change to all subscribers.
- Parameters:
key (str) – The key to emit.
value (object) – The value to emit.
- extent(axis_name, padding=0.0)¶
Get the data extent.
- Parameters:
axis_name (str) – ‘x’ or ‘y’.
padding (float) – Padding around the data. Default: 0.0.
- Returns:
The min/max data values for the requested axis.
- Return type:
Sequence | PhysicalQuantity
- classmethod fromProperties(properties)¶
Create a plot storable from a dict of properties.
Used when deserializing a PlotStorable.
- Parameters:
properties (dict) – The properties which are used to populate the properties dict of the newly created plot storable.
- Returns:
The newly created PlotStorable.
- Return type:
PlotStorable
- hoverDetails()¶
- Returns:
The current hover details.
- Return type:
dict | None
- isHoverable()¶
- Returns:
True, if hoverable.
- Return type:
bool
- isHovered()¶
- Returns:
True, if the item is hovered.
- Return type:
bool
- isSelectable()¶
- Returns:
True, if the item is selectable.
- Return type:
bool
- isSelected()¶
- Returns:
True, if the item is selected.
- Return type:
bool
- isVisible()¶
- Returns:
True, if the item is visible.
- Return type:
bool
- items(selected=None, tag=None)¶
Return the requested items.
The optional selected key word filter selected and deselected lines, with the options:
True : Only selected items
False : Only unselected items
None : All items.
- Parameters:
selected (None | bool) – True, if only selected items should be returned.
tag (str) – The tag to filter on.
- Returns:
The child items with the selected filtering.
- Return type:
items
- label()¶
- Returns:
The current label.
- Return type:
str
- order()¶
- Returns:
A number describing the current order of the item within the PlotModel. Can be used for sorting.
- Return type:
int | None
- owner()¶
- Returns:
The owner type.
- Return type:
int | enum
- parent()¶
- Returns:
The parent.
- Return type:
PlotItem based | None
- removeItem(item, emit=True)¶
Remove item from the child items.
- Parameters:
item (PlotItem based) – The item to remove.
emit (bool) – True, if removal should be emitted.
- removeSubscriber(subscriber)¶
Remove a subscriber method from the plot item updates.
- Parameters:
subscriber (bound method) – The subscriber. Must be callable.
- scaling()¶
- Returns:
The scaling of the weights.
- Return type:
float
- selectionDetails()¶
- Returns:
The current selection details.
- Return type:
dict | None
- setAlpha(alpha)¶
. :param alpha: The opacity of the line. :type alpha: float
- setColor(color)¶
Set the line color.
Note that the color map is only used when the color mode is COLOR.
- Parameters:
color (str) – The color in hex format.
- setColorMap(color_map)¶
Set a color map.
Note that the color map is only used when the color mode is COLOR_MAP.
- Parameters:
color_map (str) – A color map.
- setColorMode(mode)¶
Set the color mode (whether to use color map or color for drawing).
- Parameters:
mode (COLOR_MODES enum) – The mode.
- setData(x=None, y=None)¶
Set data.
- Parameters:
x (list | ndarray | PhysicalQuantity) – The x-data.
y (list | ndarray | PhysicalQuantity) – The y-data.
- setHoverable(hoverable)¶
Enable or disable hover evetn. When enabled the line will be set to hovered, once the mouse hovers over the item.
- Parameters:
hoverable (bool) – True, if the item should be sensitive to hover events.
- setHovered(hovered, details=None)¶
Set hovered with some details. This is called once the mouse hovers over the item. Should only be called once hoverable has been enabled.
- Parameters:
hovered (bool) – True, if the item was hovered.
details (dict | NoneType) – The hover details.
- setLabel(label)¶
Set the label.
- Parameters:
label (str) – The label of the line.
- setOwner(owner)¶
Set the owner of the item (either OWNERS.MODEL or OWNERS.VIEW).
- Parameters:
owner (int | enum) – The owner type.
- setScaling(scaling)¶
Set the scaling.
- Parameters:
scaling (float) – The scaling of the weights. Requires weights to be specified to have any effect.
- setSelectable(selectable)¶
Set whether this item is selectable.
- Parameters:
selectable (bool) – True, if the item should be selectable.
- setSelected(selected, details=None)¶
Set the item as selected or unselected.
- Parameters:
selected (bool) – True, if item should be selected.
details (dict | NoneType) – The selection details.
- setVisible(visible)¶
Set visible.
- Parameters:
visible (bool) – True, if the item should be visible.
- setWeights(weights)¶
Set the weights of the data.
- Parameters:
weights (Sequence | None) – The weights of the data. Used for coloring and setting line widths.
- styleProperties(style_scheme)¶
Check if the given style scheme has a style for this item.
- Parameters:
style_scheme (dict) – The style scheme.
- Returns:
The style, if any.
- Return type:
dict | None
- tags()¶
- Returns:
The set of tags.
- Return type:
set
- weights()¶
- Returns:
The weights of the data. Used for coloring and setting line widths.
- Return type:
Sequence | None
- xData()¶
- Returns:
The x-data.
- Return type:
- yData()¶
- Returns:
The y-data.
- Return type: