If "inherit", use take rcParams (default: 'black'). Default is None, which means using rcParams (default: '0.8'). The legend's background patch edge color. Color bars can be configured with attributes inside or in places like lorbar in go.Scatter traces or colorbar in go.Heatmap traces. It could be set to default to use the legend's default, set to a custom color, which is ultimately flexible, in case of complicated markers/lines/fills and would let people set to whatever they like, or could use a trace color, for the case where they have not set trace colors themselves and plotly has assigned automatically.Ĭolor bars are legend-like visible representations of the color range and color scale with optional tick labels and tick marks. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials. New to Plotly? Plotly is a free and open-source graphing library for R. Nine examples of how to move, color, and hide the legend. This means that numeric strings must be parsed to be used for continuous color, and conversely, numbers used as category codes must be converted to strings. If the data is numeric, the color will automatically be considered continuous. Legends are the discrete equivalent of continous color bars Discrete Color with Plotly Express¶ Most Plotly Express functions accept a color argument which automatically assigns data values to discrete colors if the data is non-numeric. With px.bar, each row of the DataFrame is represented as a rectangular mark. Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. if "grouped+reversed", the items are displayed in the opposite order as "grouped". If "grouped", the items are displayed in groups (when a trace 'legendgroup' is provided). If "reversed", the items are displayed in the opposite order as "normal". If "normal", the items are displayed top-to-bottom in the same order as the input data. You can use traceorder key for legend: Determines the order at which the legend items are displayed. Here is an example of creating a figure that includes two scatter traces which are side-by-side since there are 2 columns and 1 row in the subplot layout. Figures with subplots are created using the make_subplots function from the plotly.subplots module. x and y are the coordinates of the legend box. In this case it is possible to position the legend inside the plotting area. Note that, the argument legend.position can be also a numeric vector c(x,y). The allowed values for the arguments legend.position are : “left”,“top”, “right”, “bottom”. x sets the x position with respect to xref from "0" (left) to "1" (right), and y sets the y position with respect to yref from "0" (bottom) to "1" (top). The following example shows how to align the plot title in layout.title. The configuration of the legend is discussed in detail in the Legends page. New to Plotly? Plotly is a free and open-source graphing library for JavaScript. Seven examples of how to move, color, and hide the legend. Legends in JavaScript How to modify the legend in D3.js-based javascript graphs. This argument allows arbitrary placement of the legend. Defaults to axes.bbox (if called as a method to Axes.legend ) or figure.bbox (if Figure.legend ). The legendgroup key groups legend entries so that clicking on one legend entry will hide or show all of the traces in that group.īox that is used to position the legend in conjunction with loc. Click on the legend entries to hide and show traces. They come with legend icons corresponding to each trace type, which are colored using the same colorscale as the trace. go.Isosurface, go.Volume, go.Cone) can also appear in the legend. go.Heatmap, go.Histogram2d) or 3D fields (e.g. Legend items for continuous fields (2D and 3D)¶.
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