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set_boxstyle ( 'round,pad=0.,rounding_size=0.2' ) ax. subplots ( figsize = ( 3, 3 )) at = AnchoredText ( 'Figure 1a', prop = dict ( size = 15 ), frameon = True, loc = 'upper left' ) at. Mpl_toolkits.axes_grid1.anchored_artists.įrom matplotlib.offsetbox import AnchoredText fig, ax = plt. Predefined classes are available in matplotlib.offsetbox and in Of artist can be created by using the OffsetBox class. There are classes of artists that can be placed at an anchored ), fc = 'w' )) Placing Artist at anchored Axes locations # annotate ( 'Test', xy = ( 0.2, 0.2 ), xycoords = 'data', xytext = ( 0.8, 0.8 ), textcoords = 'data', size = 20, va = 'center', ha = 'center', bbox = dict ( boxstyle = 'round4', fc = 'w' ), arrowprops = dict ( arrowstyle = '-|>', connectionstyle = 'arc3,rad=-0.2', relpos = ( 1. annotate ( 'Test', xy = ( 0.2, 0.2 ), xycoords = 'data', xytext = ( 0.8, 0.8 ), textcoords = 'data', size = 20, va = 'center', ha = 'center', bbox = dict ( boxstyle = 'round4', fc = 'w' ), arrowprops = dict ( arrowstyle = '-|>', connectionstyle = 'arc3,rad=0.2', relpos = ( 0. subplots ( figsize = ( 3, 3 )) ann = ax. To draw only an arrow, useįig, ax = plt. Customizing annotation arrows #Īn arrow connecting xy to xytext can be optionally drawn by Patches to learn how each class is defined. Similarly, you can define aĬustom ConnectionStyle and a custom ArrowStyle. text ( 0.5, 0.5, 'Test', size = 30, va = 'center', ha = 'center', rotation = 30, bbox = dict ( boxstyle = custom_box_style, alpha = 0.2 )) width = width + 2 * pad height = height + 2 * pad # boundary of the padded box x0, y0 = x0 - pad, y0 - pad x1, y1 = x0 + width, y0 + height # return the new path return Path (, closed = True ) fig, ax = plt. ''' # padding mypad = 0.3 pad = mutation_size * mypad # width and height with padding added. mutation_size : float Mutation reference scale, typically the text font size. Parameters - x0, y0, width, height : float Box location and size. Keyword arguments like horizontalalignment, verticalalignment andįrom matplotlib.path import Path def custom_box_style ( x0, y0, width, height, mutation_size ): ''' Given the location and size of the box, return the path of the box around it. The text in this example is placed in theįractional figure coordinate system. In the example below, the xy point is in the data coordinate system Move the tip and base some percent away from The width of the base of the arrow head in points The fraction of the arrow length occupied by the head

You can enable drawing of an arrow from the text to the annotated pointīy giving a dictionary of arrow properties in the optional keyword set_ylim ( - 2, 2 ) Annotating with arrows # 99 ), textcoords = 'axes fraction', va = 'top', ha = 'left', arrowprops = dict ( facecolor = 'black', shrink = 0.05 )) ax. annotate ( 'local max', xy = ( 2, 1 ), xycoords = 'data', xytext = ( 0.01. This example places the text coordinates in fractional axes coordinates:įig, ax = plt. Pixels are discussed in further detail in Plotting in physical coordinates. Meaning that they are a physical unit measuring 1/72 of an inch. The following strings are also valid arguments for textcoordsįor physical coordinate systems (points or pixels) the origin is theīottom-left of the figure or axes. (0, 0) is lower left of axes and (1, 1) is upper right (0, 0) is lower left of figure and (1, 1) is upper right

Pixels from the lower left corner of the figure Points from the lower left corner of the figure Xycoords and textcoords (default is 'data')

System of xy and xytext with one of the following strings for There are a variety of otherĬoordinate systems one can choose - you can specify the coordinate In this example, both the xy (arrow tip) and xytext locations annotate ( 'local max', xy = ( 2, 1 ), xytext = ( 3, 1.5 ), arrowprops = dict ( facecolor = 'black', shrink = 0.05 )) ax. Import numpy as np import matplotlib.pyplot as plt fig, ax = plt. In an annotation, there are two points to consider: the location of the dataīeing annotated xy and the location of the annotation text xytext. Placing Artist at anchored Axes locations Placing text annotations relative to data Provide as much flexibility in positioning and styling as annotate. Text can also be used for simple text annotation, but does not Axes.annotate also provides an optional arrowįrom the text to the data and this arrow can be styled in various ways. Positioning data and annotations relative to each other and a variety of

#ANNOTATION EDIT CANNOT ADJUST FULL#

To download the full example code Annotations #Īnnotations are graphical elements, often pieces of text, that explain, addĬontext to, or otherwise highlight some portion of the visualized data.Īnnotate supports a number of coordinate systems for flexibly

Annotation edit cannot adjust