2/12/2024 0 Comments Pyplot subplot marginLayoutgrid for the figure consisting of one column and row, andĪ child layoutgrid for the gridspec that contains the Axes, againĬonsisting of one row and column. Similarly, for columns and the left/rightįor a single Axes the layout is straight forward. Row, the bottom/top margins are widened until all the decorators The layoutgrid has a series of left and right variablesįor each column, and bottom and top variables for each row, andįurther it has a margin for each of left, right, bottom and top. In constrained layout, each gridspec gets a layoutgrid associated with Rows and columns set by width_ratios and height_ratios. Into rows and columns, with the relative width of the Axes in those A gridspec is a logical division of the figure Layout in Matplotlib is carried out with gridspecs Has some complexity due to the complex ways we can lay out a figure. The algorithm for the constraint is relatively straightforward, but Not require outside data or dependencies (other than numpy). If there is a bug, please report with a self-contained example that does There is a bug - in which case open an issue at There was not enough room for the elements you were requesting to draw. This happens, it is for one of two reasons: Mode is for all sizes to collapse to their smallest allowable value. Because it usesĪ constraint solver the solver can find solutions that are mathematicallyĬorrect, but that aren't at all what the user wants. This can be avoided by adding the artist directly to theĬonstrained layout can fail in somewhat unexpected ways. So the results will not be pixel-identical.Īn artist using Axes coordinates that extend beyond the Axesīoundary will result in unusual layouts when added to anĪxes. There are small differences in how the backends handle rendering fonts, Often true, but there are rare cases where it is not. It assumes that the extra space needed for ticklabels, axis labels,Īnd titles is independent of original location of Axes. Thus, other artists may be clipped and also may overlap. suptitle ( 'subplot2grid' ) Other caveats #Ĭonstrained layout only considers ticklabels, axis labels, titles, and subplot2grid (( 3, 3 ), ( 1, 2 ), rowspan = 2 ) example_plot ( ax1 ) example_plot ( ax2 ) example_plot ( ax3 ) example_plot ( ax4 ) fig. figure ( layout = "constrained" ) ax1 = plt. GridSpec instance if the geometry is not the same, andĬonstrained layout. The reason is that each call to pyplot.subplot will create a new Number of rows and columns is the same for each call. Limitations # Incompatible functions #Ĭonstrained layout will work with pyplot.subplot, but only if the This prevents theĪxes from changing position during zooming and panning. GUI events for the backends that use the toolbar. Note that constrained layout is turned off for ZOOM and PAN This is potentially useful for animations where the tick labels may If you want to get the spacing provided byĬonstrained layout but not have it update, then do the initialĭraw and then call fig.set_layout_engine('none'). suptitle ( "fixed-aspect plots, layout='compressed'" ) Manually turning off constrained layout #Ĭonstrained layout usually adjusts the Axes positions on each draw subplots ( 2, 2, figsize = ( 5, 3 ), sharex = True, sharey = True, layout = 'compressed' ) for ax in axs. Using the respective argument to subplots,įig, axs = plt. Implementation details discussed at the end.Ĭonstrained layout typically needs to be activated before any Axes are added to These features are described in this document, as well as some In addition, Compressed layout will try and move fixed aspect-ratio Axes closer together. Span rows or columns ( subplot_mosaic), striving to align spines fromĪxes in the same row or column. ( Placing Colorbars) nested layouts ( subfigures) and Axes that It handles colorbars placed on multiple Axes Labels, legends, and colorbars do not overlap, while still preserving theįlexible. Use constrained layout to fit plots within your figure cleanly.Ĭonstrained layout automatically adjusts subplots so that decorations like tick To download the full example code Constrained Layout Guide #
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