histoprint
Project description
Pretty print Numpy (and other) histograms to the console
How does it work?
Histoprint uses a mix of terminal color codes and unicode trickery (i.e. combining characters) to plot overlaying histograms.
Examples
Some examples:
import numpy as np from histoprint import text_hist, print_hist A = np.random.randn(1000) - 2 B = np.random.randn(1000) C = np.random.randn(1000) + 2 D = np.random.randn(500) * 2 # text_hist is a thin wrapper for numpy.histogram text_hist( B, bins=[-5, -3, -2, -1, -0.5, 0, 0.5, 1, 2, 3, 5], title="Variable bin widths" ) histA = np.histogram(A, bins=15, range=(-5, 5)) histB = np.histogram(B, bins=15, range=(-5, 5)) histC = np.histogram(C, bins=15, range=(-5, 5)) histD = np.histogram(D, bins=15, range=(-5, 5)) histAll = ([histA[0], histB[0], histC[0], histD[0]], histA[1]) # print_hist can be used to print multiple histograms at once # (or just to print a single one as returned by numpy.histogram) print_hist(histAll, title="Overlays", labels="ABCDE") print_hist( histAll, title="Stacks", stack=True, symbols=" ", bg_colors="rgbcmy", labels="ABCDE", ) print_hist( histAll, title="Summaries", symbols=r"=|\/", fg_colors="0", bg_colors="0", labels=["AAAAAAAAAAAAAAAA", "B", "CCCCCCCCCCCCC", "D"], summary=True, )
The last example does not use terminal colors, so it can be copied as text:
Summaries -5.00e+00 _ -4.33e+00 _═⃫ -3.67e+00 _═⃫═⃫═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ -3.00e+00 _═⃫═⃫═⃫═⃫═⃫═⃫═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ -2.33e+00 _╪⃫╪⃫═⃫═⃫═⃫═⃫═⃫═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ -1.67e+00 _╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫═⃫═⃫═⃫═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ -1.00e+00 _╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ -3.33e-01 _╪⃥⃫╪⃥⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪⃫╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ 3.33e-01 _╪⃥⃫╪⃥⃫╪⃥⃫╪⃥⃫╪⃥⃫╪⃥⃫╪⃫╪⃫╪⃫╪⃫│⃫│⃫│⃫│⃫│⃫│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ 1.00e+00 _╪⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ 1.67e+00 _│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥│⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ 2.33e+00 _│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥⃫│⃥│⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ 3.00e+00 _│⃥⃫│⃥⃫ ⃥⃫ ⃥⃫ ⃥⃫ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ 3.67e+00 _ ⃥⃫ ⃥⃫ ⃥⃫ ⃥⃫ ⃥⃫ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ 4.33e+00 _ ⃥⃫ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ ⃥ 5.00e+00 _ ⃥⃫ ⃥ ═͏ AAAAAAAAAAAAAAAA │͏ B ⃥ CCCCCCCCCCCCC ⃫ D Sum: 9.99e+02 1.00e+03 9.99e+02 4.92e+02 Avg: -1.98e+00 1.13e-02 1.99e+00 -1.71e-01 Std: 1.03e+00 1.03e+00 9.94e-01 2.00e+00
Command line interface
Histoprint also comes with a simple command line interface to create histograms of tabulated data. It can read in text files or directly from STDIN:
$ histoprint --help Usage: histoprint [OPTIONS] INFILE Read INFILE and print a histogram of the contained columns. INFILE can be '-', in which case the data is read from STDIN. Options: -b, --bins TEXT Number of bins or space-separated bin edges. -t, --title TEXT Title of the histogram. --stack / --nostack Stack the histograms. -s, --summary / -S, --nosummary Print summary statistics. -l, --label TEXT Labels for the data, one for each column. --symbols TEXT Symbol cycle for multiple histograms. Choices & default: ' |=/\' --fg-colors TEXT Colour cycle for foreground colours. Default: 'WWWWW', Choices: '0rgbcmykwRGBCMYKW' --bg-colors TEXT Colour cycle for background colours. Default: 'K0000', Choices: '0rgbcmykwRGBCMYKW' --version Show the version and exit. --help Show this message and exit. $ histoprint -t "Title" -s -b "0.5 1.5 2.5 3.5 4.5" -l A -l B --fg-colors "0" --bg-colors "0" --symbols "|=" - <<EOF 1 2 2 3 2 3 2 nan 3 4 3 4 EOF Title 5.00e-01 _ │͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ │͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ │͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ 1.50e+00 _│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ 2.50e+00 _╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏│͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏ ╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏ 3.50e+00 _╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏╪͏ ═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ ═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ ═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ 4.50e+00 _═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏═͏ │͏ A ═͏ B Tot: 6.00e+00 5.00e+00 Avg: 2.17e+00 3.20e+00 Std: 6.87e-01 7.48e-01
Support for other histogram types
Histoprint can directly plot other (more fancy) types of histograms if they offer a way of being converted to the Numpy format. Currently this means they have to expose a numpy() or to_numpy() method. Both the TH1 histograms of uproot, as well as the histograms of boost-histogram are supported like this:
import boost_histogram as bh hist = bh.Histogram(bh.axis.Regular(20, -3, 3)) hist.fill(np.random.randn(1000)) print_hist(hist, title="Boost Histogram") import uproot file = uproot.open("http://scikit-hep.org/uproot/examples/Event.root") hist = file["htime"] print_hist(hist, title="uproot TH1")
How to get it?
$ pip install [--user] histoprint
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