saneplot 0.1.0

A simple plotting tool with sane default

A simple wrapper around some basic 2d matplotlib plotting which has some sane defaults. Developed mostly for personal use.

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Motivation and use-cases:

• Quickly set up multiple plot parameters (font sizes, text position, curve colors, x and y scales) without having to remember how to do that; provide some sane defaults
• Have all this code in one place and not scattered around multiple jupyter notebooks
• All of the above allows to quickly create plots of 2d dimensional data

Usage

Everything is done by the SanePlot class. The initialization parameters which control the plot are:

• figsize=(14.0, 10.0) - the size of the plot
• legendloc='upper right' - the legend location
• legend_frame_color='#FFFFFF' - color of the legend background
• fontfamily='fantasy', font='Calibri' - these two parameters control the font. I only set them to use Cyrillic characters
• legend_size=26 - legend font size
• tick_size=24 - tick label size
• xy_label_size=32 - set the size of the X and Y axis labels
• textsize=27 - set the text size
• linewidth=5 - the width of the curves being plotted
• markersize=5 - the size of the markers being plotted
• xlim=None - either None or a tuple/list; if set, sets the X-limits of the plot
• ylim=None - either None or a tuple/list; if set, sets the Y-limits of the plot
• text=None - either None or a string; if set, will place text somewhere on the plot
• text_x_rel=None - controls the relative X-position of the text (thus, a value of 0.5 will place the text in the middle of the plot with respect to the X-axis)
• text_x_abs=None - controls the absolute X-position of the text. If text_x_rel is set, will not do anything
• text_y_rel=None - controls the relative Y-position of the text (thus, a value of 0.5 will place the text in the middle of the plot with respect to the Y-axis)
• text_y_abs=None - controls the absolute Y-position of the text. If text_x_rel is set, will not do anything
• log_x_base=0 - if set to 0, the X axis is normal (linear). If different from 0, then the X axis is a log-axis with base equal to log_x_base
• log_y_base=0 - if set to 0, the Y axis is normal (linear). If different from 0, then the X axis is a log-axis with base equal to log_y_base
• x_label=None - the label for the X axis
• y_label=None - the label for the Y axis
• linechange='monochrome' - sets the line styles. Can be either monochrome, color or a list. If it is a list, curve number N on the plot will be plotted with a style set by the element number (N-1) % len(linechange) of the list. The list corresponding to 'monochrome': [‘k-‘, ‘k–’, ‘ko’, ‘k^’, ‘k:’, ‘k*’] The list corresponding to 'color': [‘k’, ‘g’, ‘b’, ‘r’, ‘c’]

The methods are:

• SanePlot.add_text(textsize=None) - adds text specified during the initialization. You can override the originally set textsize. Returns the Figure object.
• SanePlot.plot(x, y, label=None, linewidth=None, markersize=None) - plots the curve specified by the (x,y) arrays. The label is set by the label parameter, and the originally set linewidth and markersize can be overridden. Returns the Figure object.
• SanePlot.legend() - show the legend. Returns the Figure object.
• SanePlot.show() - returns the Figure object.

Examples

This can be inserted into a Jupyter notebook with %matplotlib inline added and will show the resulting plots right there.:

import numpy as np
from saneplot import SanePlot

x = np.linspace(0, 30, 100)
y1 = np.sin(x) * 1000 + 4000
y2 = np.cos(x) * 1000 + 4000
y3 = x**2 * 1000

sp = SanePlot(x_label='x', y_label='y', text='(a)', text_x_abs=10, text_y_rel=0.5)

sp.plot(x, y1, '0')
sp.plot(x, y2+100, 'y2', linewidth=4)
sp.plot(x, y2+500, 'y2', linewidth=4)
sp.plot(x, y2+1000, 'y2', linewidth=3)
sp.plot(x, y2+2000, 'y2', linewidth=3)
sp.plot(x, y2+4000, 'y2', linewidth=4)
sp.plot(x, y2+8000, 'y2', linewidth=5)
sp.add_text(textsize=10)
sp.legend()

Version history

• 0.1 (01 February 2017) - first working version of the package created