ImageHighlightSelector

ImageHighlightSelector

Constructor

ImageHighlightSelector([color, lut, alpha, ...])

Highlights pixel regions of an ImageGraphic.

Properties

ImageHighlightSelector.alpha	Get or set alpha value, 0 - 1.0
ImageHighlightSelector.color	Get or set color applied to all selected items, used if lut is None.
ImageHighlightSelector.graphics	Get graphics the highlight selector is operating on.
ImageHighlightSelector.lut	Get or set per-item color lookup table, shape (n, 4) float32 RGBA, or a str that defines a colormap.
ImageHighlightSelector.lut_wrap	Get or set LUT wrap mode.
ImageHighlightSelector.options_alpha	Get or set alpha blend value of unselected option items (options mode only).
ImageHighlightSelector.options_color	Get or set color for unselected option items (options mode only).
ImageHighlightSelector.selection	tuple of selection option indices.
ImageHighlightSelector.selection_options	Get or set a pool of selectable items (same dict format as selection in free mode).

Methods

ImageHighlightSelector.add_event_handler(handler)	Add a callback that is called when the selection changes.
ImageHighlightSelector.add_graphic(graphic)	Add graphic and apply the current highlight selection to it.
ImageHighlightSelector.append(dict_or_index)	append to the current selection
ImageHighlightSelector.clear()	Clear the selection (options mode: deselects all, free mode: clears all regions).
ImageHighlightSelector.remove(dict_or_index)	In options mode: remove(index): remove an option index from the selection.
ImageHighlightSelector.remove_event_handler(handler)	Remove an event handler.
ImageHighlightSelector.remove_graphic(graphic)	remove graphic and clear its highlight buffer.