This shape-drawing feature is particularly interesting for annotating graphs, in particular or layout images. If you switch to a different dragmode such as pan or zoom, you will need to select the drawing tool in the modebar to go back to shape drawing. If you need to switch between different shape-drawing or other dragmodes (panning, selecting, etc.), modebar buttons can be added in the config to select the dragmode.
You can create layout shapes programmatically, but you can also draw shapes manually by setting the dragmode to one of the shape-drawing modes: 'drawline', 'drawopenpath', 'drawclosedpath', 'drawcircle', or 'drawrect'. Note: there are that are fixed to data coordinates in one axis and absolutely positioned in another.
#Pyplot scatter unfilled circle series
Highlighting Time Series Regions with Rectangle Shapes If mode=line (default value), then you need to repeat the initial point of a shape at the of the sequence to have a closed shape. To set an area to be filled with a solid color, you need to define scatter.fill="toself" that connects the endpoints of the trace into a closed shape. You also can use scatterpolar, scattergeo, scattermapbox to draw filled shapes on any kind of subplots. There are two ways to draw filled shapes: scatter traces and layout.shapes which is mostly useful for the 2d subplots, and defines the shape type to be drawn, and can be rectangle, circle, line, or path (a custom SVG path). Traces also support optional text, although there is a textual equivalent to shapes in text annotations. Traces cannot be positioned absolutely but can be positioned relative to date coordinates in any subplot type. Shapes can be positioned absolutely or relative to data coordinates in 2d cartesian subplots only. Traces can optionally support hover labels and can appear in legends. The differences between these two approaches are that: Note: there are special functions add_hline!, add_vline!, add_hrect! and add_vrect! for the common cases of wanting to draw horizontal or vertical lines or rectangles that are fixed to data coordinates in one axis and absolutely positioned in another. Standalone lines, ellipses and rectangles can be added to figures using fig.add_shape(), and they can be positioned absolutely within the figure, or they can be positioned relative to the axes of 2d cartesian subplots i.e. scatter, scatter3d, scattergeo etc) can be drawn with mode="lines" and optionally support a fill="self" attribute, and so can be used to draw open or closed shapes on figures. As a general rule, there are two ways to add shapes (lines or polygons) to figures:
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