【Python】Matplotlib

发布时间：2019-08-31 09:40:46编辑：auto阅读（1547）

    【重要】 python 2.7.11


    ////// HomePage

    http://matplotlib.org/index.html


    ////// install

    # sudo yum install python-matplotlib


    已安装:

      python-matplotlib.x86_64 0:1.2.0-15.el7


    作为依赖被安装:

      agg.x86_64 0:2.5-18.el7

      atlas.x86_64 0:3.10.1-10.el7

      blas.x86_64 0:3.4.2-5.el7

      lapack.x86_64 0:3.4.2-5.el7

      libgfortran.x86_64 0:4.8.5-4.el7

      libquadmath.x86_64 0:4.8.5-4.el7

      numpy.x86_64 1:1.7.1-11.el7

      python-nose.noarch 0:1.3.0-3.el7

      t1lib.x86_64 0:5.1.2-14.el7

      texlive-base.noarch 2:2012-38.20130427_r30134.el7

      texlive-dvipng.noarch 2:svn26689.1.14-38.el7

      texlive-dvipng-bin.x86_64 2:svn26509.0-38.20130427_r30134.el7

      texlive-kpathsea.noarch 2:svn28792.0-38.el7

      texlive-kpathsea-bin.x86_64 2:svn27347.0-38.20130427_r30134.el7

      texlive-kpathsea-lib.x86_64 2:2012-38.20130427_r30134.el7


    ////// using

    [root@wode005 18.matplotlib]# python m001.py

    Traceback (most recent call last):

      File "m001.py", line 1, in <module>

        import matplotlib as mpl

    ImportError: No module named matplotlib


    ////// pip

    # pip install matplotlib

    Collecting matplotlib

      Downloading matplotlib-1.5.1.tar.gz (54.0MB)

        36% |███████████▉                    | 20.0MB 177kB/s eta 0:03:12


    ////// error

    freetype: no  [The C/C++ header for freetype2 (ft2build.h)

                                could not be found.  You may need to install the

                                development package.]

                           png: no  [pkg-config information for 'libpng' could not

                                be found.]

                         qhull: yes [pkg-config information for 'qhull' could not be

                                found. Using local copy.]


    # yum install freetype-devel

    # yum install libpng-devel


    ////// Reference

    http://www.cnblogs.com/vamei/archive/2013/01/30/2879700.html



    ////// sample code

    # a strait line: use pyplot functions


    from matplotlib.pyplot import *


    plot([0, 1], [0, 1])      # plot a line from (0, 0) to (1, 1)

    title("a strait line")

    xlabel("x value")

    ylabel("y value")

    savefig("m002.png")


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