other:python:jyp_steps
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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other:python:jyp_steps [2019/06/18 08:40] jypeter [Useful matplotlib reference pages] Added special colormap values |
other:python:jyp_steps [2019/06/21 15:23] jypeter [Matplotlib] Added add_axes |
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| bottom_plot = plot_array[2]</code> | bottom_plot = plot_array[2]</code> | ||
| * creating a figure and axes with a single line: ''my_page, plot_array = **plt**.subplots(3, 1)'' | * creating a figure and axes with a single line: ''my_page, plot_array = **plt**.subplots(3, 1)'' | ||
| + | * use [[https://matplotlib.org/api/_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.add_axes|my_page.add_axes(...)]] to add an axis in an arbirary location of the page\\ ''my_page.add_axes([left, bottom, width, height])'' | ||
| * a Matplotlib **//Artist//** or //Patch// is //something// (e.g a line, a group of markers, text, the legend...) plotted on the Figure/Axis | * a Matplotlib **//Artist//** or //Patch// is //something// (e.g a line, a group of markers, text, the legend...) plotted on the Figure/Axis | ||
| * **clearing** the //page// (or part of it): you probably won't need that... | * **clearing** the //page// (or part of it): you probably won't need that... | ||
| Line 251: | Line 252: | ||
| * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.scatter.html|scatter(...)]]: A scatter plot of y vs x with varying marker size and/or color | * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.scatter.html|scatter(...)]]: A scatter plot of y vs x with varying marker size and/or color | ||
| * The ''plot'' function will be faster for scatterplots where markers don't vary in size or color | * The ''plot'' function will be faster for scatterplots where markers don't vary in size or color | ||
| + | * [[https://matplotlib.org/api/_as_gen/matplotlib.axes.Axes.contourf.html|contour(...) and contourf(...)]]: draw contour lines and filled contours | ||
| * [[https://matplotlib.org/api/_as_gen/matplotlib.lines.Line2D.html|line]] parameters | * [[https://matplotlib.org/api/_as_gen/matplotlib.lines.Line2D.html|line]] parameters | ||
| * ''linestyle'': ''solid'', ''None'', [[https://matplotlib.org/api/_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_linestyle|other]] ([[https://matplotlib.org/examples/lines_bars_and_markers/line_styles_reference.html|default styles example]], [[https://matplotlib.org/examples/lines_bars_and_markers/linestyles.html|custom styles example]]) | * ''linestyle'': ''solid'', ''None'', [[https://matplotlib.org/api/_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_linestyle|other]] ([[https://matplotlib.org/examples/lines_bars_and_markers/line_styles_reference.html|default styles example]], [[https://matplotlib.org/examples/lines_bars_and_markers/linestyles.html|custom styles example]]) | ||
| * [[https://matplotlib.org/api/markers_api.html|marker types]] | * [[https://matplotlib.org/api/markers_api.html|marker types]] | ||
| - | * ''fillstyle'': ''full'', ''None'', [[https://matplotlib.org/gallery/lines_bars_and_markers/marker_fillstyle_reference.html|other]] | + | * Default marker size and edge width: |
| - | * Other attributes: ''markersize'', ''markerfacecolor'' (and ''markerfacecoloralt'' for dual color markers), ''markeredgecolor'', ''markeredgewidth'' | + | * ''mpl.rcParams['lines.markersize'] %%**%% 2'' => 36 |
| + | * ''mpl.rcParams['lines.linewidth']'' => 1.5 | ||
| + | * Other marker attributes. For ''plot'', all the markers have the same attributes, and for ''scatter'' the attributes can be the same, or specified for each marker | ||
| + | * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.plot.html|plot(...)]]: //fmt// (see documentation) or ''marker'' and ''markerfacecolor''/''mfc'' (and ''markerfacecoloralt''/''mfcalt'' for dual color markers), ''markersize'', ''markeredgewidth''/''mew'', ''markeredgecolor'', ''fillstyle'' (''full'', ''None'', [[https://matplotlib.org/gallery/lines_bars_and_markers/marker_fillstyle_reference.html|other]]) | ||
| + | * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.scatter.html|scatter(...)]]: ''marker'' (marker type), ''c'' (color), ''s'' (size), ''linewidths'' (linewidth of the marker edges), ''edgecolors'' | ||
| * [[https://matplotlib.org/api/colors_api.html|colors]] and colormaps | * [[https://matplotlib.org/api/colors_api.html|colors]] and colormaps | ||
| * [[https://matplotlib.org/gallery/color/color_demo.html|color demo]] | * [[https://matplotlib.org/gallery/color/color_demo.html|color demo]] | ||
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| * ''cmap.set_over(color='k')'': color to be used for high out-of-range values | * ''cmap.set_over(color='k')'': color to be used for high out-of-range values | ||
| * ''cmap.set_under(color='k')'': color to be used for low out-of-range values | * ''cmap.set_under(color='k')'': color to be used for low out-of-range values | ||
| + | * [[https://matplotlib.org/api/_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.colorbar|colorbar]] and ([[https://matplotlib.org/gallery/images_contours_and_fields/contourf_demo.html|contourf + colorbar demo]]) | ||
| * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.text.html|text(...)]] and [[https://matplotlib.org/tutorials/text/annotations.html|annotations]] | * [[https://matplotlib.org/api/_as_gen/matplotlib.pyplot.text.html|text(...)]] and [[https://matplotlib.org/tutorials/text/annotations.html|annotations]] | ||
| * Some titles: | * Some titles: | ||
| Line 281: | Line 288: | ||
| * The [[https://matplotlib.org/api/_as_gen/matplotlib.figure.Figure.html|figure(...)]] and the associated methods | * The [[https://matplotlib.org/api/_as_gen/matplotlib.figure.Figure.html|figure(...)]] and the associated methods | ||
| * The [[https://matplotlib.org/api/axes_api.html|axes]] and the associated methods | * The [[https://matplotlib.org/api/axes_api.html|axes]] and the associated methods | ||
| - | * [[https://matplotlib.org/tutorials/introductory/customizing.html#matplotlib-rcparams|matplotlib default settings]] can be queried and updated | + | * [[https://matplotlib.org/tutorials/introductory/customizing.html#matplotlib-rcparams|matplotlib default config/settings]] can be queried and updated |
| * example: the default figure size (inches) is ''mpl.rcParams['figure.figsize']'' (''[6.4, 4.8]'') | * example: the default figure size (inches) is ''mpl.rcParams['figure.figsize']'' (''[6.4, 4.8]'') | ||
| * current settings' file: ''mpl.matplotlib_fname()'' | * current settings' file: ''mpl.matplotlib_fname()'' | ||
other/python/jyp_steps.txt · Last modified: 2024/03/07 10:15 by jypeter
