| [705] | 1 | """
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| 2 | ASAP plotting class based on matplotlib.
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| 3 | """
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| 4 |
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| 5 | import sys
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| 6 | from re import match
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| 7 | import matplotlib
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| 8 |
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| 9 | from matplotlib.figure import Figure, Text
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| [1147] | 10 | from matplotlib.font_manager import FontProperties as FP
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| [1739] | 11 | from numpy import sqrt
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| [705] | 12 | from matplotlib import rc, rcParams
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| [1259] | 13 | from matplotlib.ticker import OldScalarFormatter
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| [2538] | 14 | from matplotlib import _pylab_helpers
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| [1147] | 15 |
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| [1826] | 16 | from asap.parameters import rcParams as asaprcParams
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| [1861] | 17 | from asap.logging import asaplog
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| [1826] | 18 |
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| [1425] | 19 | # API change in mpl >= 0.98
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| 20 | try:
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| 21 | from matplotlib.transforms import blended_transform_factory
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| 22 | except ImportError:
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| [1560] | 23 | from matplotlib.transforms import blend_xy_sep_transform as blended_transform_factory
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| [1425] | 24 |
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| [2169] | 25 | mvers = matplotlib.__version__.split(".")
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| 26 | if int(mvers[0]) == 0 and int(mvers[1]) < 99:
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| [1819] | 27 | #print "Warning: matplotlib version < 0.87. This might cause errors. Please upgrade."
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| [1826] | 28 | asaplog.push( "matplotlib version < 0.99. This might cause errors. Please upgrade." )
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| [1861] | 29 | asaplog.post( 'WARN' )
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| [1019] | 30 |
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| [705] | 31 | class asaplotbase:
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| 32 | """
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| 33 | ASAP plotting base class based on matplotlib.
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| 34 | """
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| 35 |
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| [1563] | 36 | def __init__(self, rows=1, cols=0, title='', size=None, buffering=False):
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| [1019] | 37 | """
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| 38 | Create a new instance of the ASAPlot plotting class.
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| [705] | 39 |
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| [1019] | 40 | If rows < 1 then a separate call to set_panels() is required to define
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| 41 | the panel layout; refer to the doctext for set_panels().
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| 42 | """
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| [705] | 43 | self.is_dead = False
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| [1019] | 44 | self.figure = Figure(figsize=size, facecolor='#ddddee')
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| [705] | 45 | self.canvas = None
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| 46 |
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| [1019] | 47 | self.set_title(title)
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| 48 | self.subplots = []
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| 49 | if rows > 0:
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| 50 | self.set_panels(rows, cols)
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| [705] | 51 |
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| [710] | 52 | # Set matplotlib default colour sequence.
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| 53 | self.colormap = "green red black cyan magenta orange blue purple yellow pink".split()
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| [1019] | 54 |
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| [710] | 55 | c = asaprcParams['plotter.colours']
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| 56 | if isinstance(c,str) and len(c) > 0:
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| 57 | self.colormap = c.split()
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| [2699] | 58 | # line styles need to be set as a list of numbers to use set_dashes
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| 59 | self.lsalias = {"line": [1,0],
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| 60 | "dashdot": [4,2,1,2],
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| 61 | "dashed" : [4,2,4,2],
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| 62 | "dotted" : [1,2],
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| [710] | 63 | "dashdotdot": [4,2,1,2,1,2],
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| 64 | "dashdashdot": [4,2,4,2,1,2]
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| 65 | }
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| 66 |
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| 67 | styles = "line dashed dotted dashdot".split()
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| 68 | c = asaprcParams['plotter.linestyles']
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| 69 | if isinstance(c,str) and len(c) > 0:
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| 70 | styles = c.split()
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| 71 | s = []
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| 72 | for ls in styles:
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| 73 | if self.lsalias.has_key(ls):
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| 74 | s.append(self.lsalias.get(ls))
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| 75 | else:
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| 76 | s.append('-')
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| 77 | self.linestyles = s
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| 78 |
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| [705] | 79 | self.color = 0;
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| [710] | 80 | self.linestyle = 0;
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| [1019] | 81 | self.attributes = {}
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| 82 | self.loc = 0
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| [705] | 83 |
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| [1019] | 84 | self.buffering = buffering
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| [705] | 85 |
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| [2451] | 86 | self.events = {'button_press':None,
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| 87 | 'button_release':None,
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| 88 | 'motion_notify':None}
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| 89 |
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| [2700] | 90 | def _alive(self):
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| 91 | # Return True if the GUI alives.
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| 92 | if (not self.is_dead) and \
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| 93 | self.figmgr and hasattr(self.figmgr, "num"):
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| 94 | figid = self.figmgr.num
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| 95 | # Make sure figid=0 is what asapplotter expects.
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| 96 | # It might be already destroied/overridden by matplotlib
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| 97 | # commands or other methods using asaplot.
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| 98 | return _pylab_helpers.Gcf.has_fignum(figid) and \
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| 99 | (self.figmgr == _pylab_helpers.Gcf.get_fig_manager(figid))
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| 100 | return False
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| 101 |
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| 102 |
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| 103 | ### Delete artists ###
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| [705] | 104 | def clear(self):
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| [1019] | 105 | """
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| [2693] | 106 | Delete all lines from the current subplot.
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| 107 | Line numbering will restart from 0.
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| [1019] | 108 | """
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| [705] | 109 |
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| [2697] | 110 | #for i in range(len(self.lines)):
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| 111 | # self.delete(i)
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| [1019] | 112 | self.axes.clear()
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| 113 | self.color = 0
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| [2699] | 114 | self.linestyle = 0
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| [1019] | 115 | self.lines = []
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| [2697] | 116 | self.subplots[self.i]['lines'] = self.lines
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| [705] | 117 |
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| 118 | def delete(self, numbers=None):
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| [1019] | 119 | """
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| 120 | Delete the 0-relative line number, default is to delete the last.
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| 121 | The remaining lines are NOT renumbered.
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| 122 | """
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| [705] | 123 |
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| [1019] | 124 | if numbers is None: numbers = [len(self.lines)-1]
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| [705] | 125 |
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| [1019] | 126 | if not hasattr(numbers, '__iter__'):
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| 127 | numbers = [numbers]
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| [705] | 128 |
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| [1019] | 129 | for number in numbers:
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| 130 | if 0 <= number < len(self.lines):
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| 131 | if self.lines[number] is not None:
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| 132 | for line in self.lines[number]:
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| 133 | line.set_linestyle('None')
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| 134 | self.lines[number] = None
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| 135 | self.show()
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| [705] | 136 |
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| 137 |
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| [2700] | 138 | ### Set plot parameters ###
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| [705] | 139 | def hold(self, hold=True):
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| [1019] | 140 | """
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| 141 | Buffer graphics until subsequently released.
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| 142 | """
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| 143 | self.buffering = hold
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| [705] | 144 |
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| [2700] | 145 | def palette(self, color, colormap=None, linestyle=0, linestyles=None):
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| 146 | if colormap:
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| 147 | if isinstance(colormap,list):
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| 148 | self.colormap = colormap
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| 149 | elif isinstance(colormap,str):
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| 150 | self.colormap = colormap.split()
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| 151 | if 0 <= color < len(self.colormap):
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| 152 | self.color = color
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| 153 | if linestyles:
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| 154 | self.linestyles = []
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| 155 | if isinstance(linestyles,list):
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| 156 | styles = linestyles
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| 157 | elif isinstance(linestyles,str):
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| 158 | styles = linestyles.split()
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| 159 | for ls in styles:
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| 160 | if self.lsalias.has_key(ls):
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| 161 | self.linestyles.append(self.lsalias.get(ls))
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| 162 | else:
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| 163 | self.linestyles.append(self.lsalias.get('line'))
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| 164 | if 0 <= linestyle < len(self.linestyles):
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| 165 | self.linestyle = linestyle
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| [705] | 166 |
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| 167 | def legend(self, loc=None):
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| [1019] | 168 | """
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| 169 | Add a legend to the plot.
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| [705] | 170 |
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| [1019] | 171 | Any other value for loc else disables the legend:
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| 172 | 1: upper right
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| 173 | 2: upper left
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| 174 | 3: lower left
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| 175 | 4: lower right
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| 176 | 5: right
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| 177 | 6: center left
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| 178 | 7: center right
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| 179 | 8: lower center
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| 180 | 9: upper center
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| 181 | 10: center
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| [705] | 182 |
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| [1019] | 183 | """
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| [1095] | 184 | if isinstance(loc, int):
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| [1098] | 185 | self.loc = None
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| 186 | if 0 <= loc <= 10: self.loc = loc
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| [1095] | 187 | else:
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| 188 | self.loc = None
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| 189 | #self.show()
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| [705] | 190 |
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| [2700] | 191 | #def set_panels(self, rows=1, cols=0, n=-1, nplots=-1, ganged=True):
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| 192 | def set_panels(self, rows=1, cols=0, n=-1, nplots=-1, margin=None,ganged=True):
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| [1019] | 193 | """
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| [2700] | 194 | Set the panel layout.
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| [705] | 195 |
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| [2700] | 196 | rows and cols, if cols != 0, specify the number of rows and columns in
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| 197 | a regular layout. (Indexing of these panels in matplotlib is row-
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| 198 | major, i.e. column varies fastest.)
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| [705] | 199 |
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| [2700] | 200 | cols == 0 is interpreted as a retangular layout that accomodates
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| 201 | 'rows' panels, e.g. rows == 6, cols == 0 is equivalent to
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| 202 | rows == 2, cols == 3.
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| [705] | 203 |
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| [2700] | 204 | 0 <= n < rows*cols is interpreted as the 0-relative panel number in
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| 205 | the configuration specified by rows and cols to be added to the
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| 206 | current figure as its next 0-relative panel number (i). This allows
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| 207 | non-regular panel layouts to be constructed via multiple calls. Any
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| 208 | other value of n clears the plot and produces a rectangular array of
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| 209 | empty panels. The number of these may be limited by nplots.
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| [1019] | 210 | """
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| [2700] | 211 | if n < 0 and len(self.subplots):
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| 212 | self.figure.clear()
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| 213 | self.set_title()
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| [705] | 214 |
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| [2700] | 215 | if margin:
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| 216 | lef, bot, rig, top, wsp, hsp = margin
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| 217 | self.figure.subplots_adjust(
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| 218 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp)
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| 219 | del lef,bot,rig,top,wsp,hsp
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| [705] | 220 |
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| [2700] | 221 | if rows < 1: rows = 1
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| [705] | 222 |
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| [2700] | 223 | if cols <= 0:
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| 224 | i = int(sqrt(rows))
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| 225 | if i*i < rows: i += 1
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| 226 | cols = i
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| [705] | 227 |
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| [2700] | 228 | if i*(i-1) >= rows: i -= 1
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| 229 | rows = i
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| [1546] | 230 |
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| [2700] | 231 | if 0 <= n < rows*cols:
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| 232 | i = len(self.subplots)
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| [1546] | 233 |
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| [2700] | 234 | self.subplots.append({})
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| [705] | 235 |
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| [2700] | 236 | self.subplots[i]['axes'] = self.figure.add_subplot(rows,
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| 237 | cols, n+1)
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| 238 | self.subplots[i]['lines'] = []
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| [705] | 239 |
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| [2700] | 240 | if i == 0: self.subplot(0)
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| [705] | 241 |
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| [2700] | 242 | self.rows = 0
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| 243 | self.cols = 0
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| [1826] | 244 |
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| [1019] | 245 | else:
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| [2700] | 246 | self.subplots = []
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| [705] | 247 |
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| [2700] | 248 | if nplots < 1 or rows*cols < nplots:
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| 249 | nplots = rows*cols
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| 250 | if ganged:
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| 251 | hsp,wsp = None,None
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| 252 | if rows > 1: hsp = 0.0001
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| 253 | if cols > 1: wsp = 0.0001
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| 254 | self.figure.subplots_adjust(wspace=wsp,hspace=hsp)
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| 255 | for i in range(nplots):
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| 256 | self.subplots.append({})
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| 257 | self.subplots[i]['lines'] = []
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| 258 | if not ganged:
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| 259 | self.subplots[i]['axes'] = self.figure.add_subplot(rows,
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| 260 | cols, i+1)
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| 261 | if asaprcParams['plotter.axesformatting'] != 'mpl':
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| 262 | self.subplots[i]['axes'].xaxis.set_major_formatter(OldScalarFormatter())
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| 263 | else:
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| 264 | if i == 0:
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| 265 | self.subplots[i]['axes'] = self.figure.add_subplot(rows,
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| 266 | cols, i+1)
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| 267 | if asaprcParams['plotter.axesformatting'] != 'mpl':
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| [705] | 268 |
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| [2700] | 269 | self.subplots[i]['axes'].xaxis.set_major_formatter(OldScalarFormatter())
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| 270 | else:
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| 271 | self.subplots[i]['axes'] = self.figure.add_subplot(rows,
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| 272 | cols, i+1,
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| 273 | sharex=self.subplots[0]['axes'],
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| 274 | sharey=self.subplots[0]['axes'])
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| [705] | 275 |
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| [2700] | 276 | # Suppress tick labelling for interior subplots.
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| 277 | if i <= (rows-1)*cols - 1:
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| 278 | if i+cols < nplots:
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| 279 | # Suppress x-labels for frames width
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| 280 | # adjacent frames
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| 281 | for tick in self.subplots[i]['axes'].xaxis.majorTicks:
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| 282 | tick.label1On = False
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| 283 | #self.subplots[i]['axes'].xaxis.label.set_visible(False)
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| 284 | if i%cols:
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| 285 | # Suppress y-labels for frames not in the left column.
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| 286 | for tick in self.subplots[i]['axes'].yaxis.majorTicks:
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| 287 | tick.label1On = False
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| 288 | #self.subplots[i]['axes'].yaxis.label.set_visible(False)
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| 289 | # disable the first tick of [1:ncol-1] of the last row
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| 290 | #if i+1 < nplots:
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| 291 | # self.subplots[i]['axes'].xaxis.majorTicks[0].label1On = False
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| 292 | # set axes label state for interior subplots.
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| 293 | if i%cols:
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| 294 | self.subplots[i]['axes'].yaxis.label.set_visible(False)
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| 295 | if (i <= (rows-1)*cols - 1) and (i+cols < nplots):
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| 296 | self.subplots[i]['axes'].xaxis.label.set_visible(False)
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| 297 | self.rows = rows
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| 298 | self.cols = cols
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| 299 | self.subplot(0)
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| 300 | del rows,cols,n,nplots,margin,ganged,i
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| [705] | 301 |
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| [2700] | 302 | def subplot(self, i=None, inc=None):
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| [1019] | 303 | """
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| [2700] | 304 | Set the subplot to the 0-relative panel number as defined by one or
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| 305 | more invokations of set_panels().
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| [1019] | 306 | """
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| [2700] | 307 | l = len(self.subplots)
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| 308 | if l:
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| 309 | if i is not None:
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| 310 | self.i = i
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| [705] | 311 |
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| [2700] | 312 | if inc is not None:
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| 313 | self.i += inc
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| [705] | 314 |
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| [2700] | 315 | self.i %= l
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| 316 | self.axes = self.subplots[self.i]['axes']
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| 317 | self.lines = self.subplots[self.i]['lines']
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| [705] | 318 |
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| 319 | def set_axes(self, what=None, *args, **kwargs):
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| [1019] | 320 | """
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| 321 | Set attributes for the axes by calling the relevant Axes.set_*()
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| 322 | method. Colour translation is done as described in the doctext
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| 323 | for palette().
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| 324 | """
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| [705] | 325 |
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| [1019] | 326 | if what is None: return
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| 327 | if what[-6:] == 'colour': what = what[:-6] + 'color'
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| [705] | 328 |
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| [1153] | 329 | key = "colour"
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| 330 | if kwargs.has_key(key):
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| 331 | val = kwargs.pop(key)
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| 332 | kwargs["color"] = val
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| [705] | 333 |
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| [1153] | 334 | getattr(self.axes, "set_%s"%what)(*args, **kwargs)
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| [705] | 335 |
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| [1153] | 336 | self.show(hardrefresh=False)
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| [705] | 337 |
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| [1019] | 338 |
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| [705] | 339 | def set_figure(self, what=None, *args, **kwargs):
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| [1019] | 340 | """
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| 341 | Set attributes for the figure by calling the relevant Figure.set_*()
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| 342 | method. Colour translation is done as described in the doctext
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| 343 | for palette().
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| 344 | """
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| [705] | 345 |
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| [1019] | 346 | if what is None: return
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| 347 | if what[-6:] == 'colour': what = what[:-6] + 'color'
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| 348 | #if what[-5:] == 'color' and len(args):
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| 349 | # args = (get_colour(args[0]),)
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| [705] | 350 |
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| [1019] | 351 | newargs = {}
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| 352 | for k, v in kwargs.iteritems():
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| 353 | k = k.lower()
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| 354 | if k == 'colour': k = 'color'
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| 355 | newargs[k] = v
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| [705] | 356 |
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| [1019] | 357 | getattr(self.figure, "set_%s"%what)(*args, **newargs)
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| [1153] | 358 | self.show(hardrefresh=False)
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| [705] | 359 |
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| 360 |
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| 361 | def set_limits(self, xlim=None, ylim=None):
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| [1019] | 362 | """
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| 363 | Set x-, and y-limits for each subplot.
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| [705] | 364 |
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| [1019] | 365 | xlim = [xmin, xmax] as in axes.set_xlim().
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| 366 | ylim = [ymin, ymax] as in axes.set_ylim().
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| 367 | """
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| 368 | for s in self.subplots:
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| 369 | self.axes = s['axes']
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| 370 | self.lines = s['lines']
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| [705] | 371 | oldxlim = list(self.axes.get_xlim())
|
|---|
| 372 | oldylim = list(self.axes.get_ylim())
|
|---|
| 373 | if xlim is not None:
|
|---|
| 374 | for i in range(len(xlim)):
|
|---|
| 375 | if xlim[i] is not None:
|
|---|
| 376 | oldxlim[i] = xlim[i]
|
|---|
| [1019] | 377 | if ylim is not None:
|
|---|
| [705] | 378 | for i in range(len(ylim)):
|
|---|
| 379 | if ylim[i] is not None:
|
|---|
| 380 | oldylim[i] = ylim[i]
|
|---|
| 381 | self.axes.set_xlim(oldxlim)
|
|---|
| 382 | self.axes.set_ylim(oldylim)
|
|---|
| 383 | return
|
|---|
| 384 |
|
|---|
| 385 |
|
|---|
| 386 | def set_line(self, number=None, **kwargs):
|
|---|
| [1019] | 387 | """
|
|---|
| 388 | Set attributes for the specified line, or else the next line(s)
|
|---|
| 389 | to be plotted.
|
|---|
| [705] | 390 |
|
|---|
| [1019] | 391 | number is the 0-relative number of a line that has already been
|
|---|
| 392 | plotted. If no such line exists, attributes are recorded and used
|
|---|
| 393 | for the next line(s) to be plotted.
|
|---|
| [705] | 394 |
|
|---|
| [1019] | 395 | Keyword arguments specify Line2D attributes, e.g. color='r'. Do
|
|---|
| [705] | 396 |
|
|---|
| [1019] | 397 | import matplotlib
|
|---|
| 398 | help(matplotlib.lines)
|
|---|
| [705] | 399 |
|
|---|
| [1019] | 400 | The set_* methods of class Line2D define the attribute names and
|
|---|
| [2451] | 401 | values. For non-US usage, 'colour' is recognized as synonymous with
|
|---|
| 402 | 'color'.
|
|---|
| [705] | 403 |
|
|---|
| [1019] | 404 | Set the value to None to delete an attribute.
|
|---|
| [705] | 405 |
|
|---|
| [1019] | 406 | Colour translation is done as described in the doctext for palette().
|
|---|
| 407 | """
|
|---|
| [705] | 408 |
|
|---|
| [1019] | 409 | redraw = False
|
|---|
| 410 | for k, v in kwargs.iteritems():
|
|---|
| 411 | k = k.lower()
|
|---|
| 412 | if k == 'colour': k = 'color'
|
|---|
| [705] | 413 |
|
|---|
| [1019] | 414 | if 0 <= number < len(self.lines):
|
|---|
| 415 | if self.lines[number] is not None:
|
|---|
| 416 | for line in self.lines[number]:
|
|---|
| 417 | getattr(line, "set_%s"%k)(v)
|
|---|
| 418 | redraw = True
|
|---|
| 419 | else:
|
|---|
| 420 | if v is None:
|
|---|
| 421 | del self.attributes[k]
|
|---|
| 422 | else:
|
|---|
| 423 | self.attributes[k] = v
|
|---|
| [705] | 424 |
|
|---|
| [1153] | 425 | if redraw: self.show(hardrefresh=False)
|
|---|
| [705] | 426 |
|
|---|
| 427 |
|
|---|
| [2700] | 428 | def get_line(self):
|
|---|
| [1019] | 429 | """
|
|---|
| [2700] | 430 | Get the current default line attributes.
|
|---|
| 431 | """
|
|---|
| 432 | return self.attributes
|
|---|
| [705] | 433 |
|
|---|
| 434 |
|
|---|
| [2700] | 435 | ### Actual plot methods ###
|
|---|
| 436 | def hist(self, x=None, y=None, fmt=None, add=None):
|
|---|
| 437 | """
|
|---|
| 438 | Plot a histogram. N.B. the x values refer to the start of the
|
|---|
| 439 | histogram bin.
|
|---|
| [705] | 440 |
|
|---|
| [2700] | 441 | fmt is the line style as in plot().
|
|---|
| [1019] | 442 | """
|
|---|
| [2700] | 443 | from numpy import array
|
|---|
| 444 | from numpy.ma import MaskedArray
|
|---|
| 445 | if x is None:
|
|---|
| 446 | if y is None: return
|
|---|
| 447 | x = range(len(y))
|
|---|
| [705] | 448 |
|
|---|
| [2700] | 449 | if len(x) != len(y):
|
|---|
| 450 | return
|
|---|
| 451 | l2 = 2*len(x)
|
|---|
| 452 | x2 = range(l2)
|
|---|
| 453 | y2 = range(12)
|
|---|
| 454 | y2 = range(l2)
|
|---|
| 455 | m2 = range(l2)
|
|---|
| 456 | ymsk = None
|
|---|
| 457 | ydat = None
|
|---|
| 458 | if hasattr(y, "raw_mask"):
|
|---|
| 459 | # numpy < 1.1
|
|---|
| 460 | ymsk = y.raw_mask()
|
|---|
| 461 | ydat = y.raw_data()
|
|---|
| 462 | else:
|
|---|
| 463 | ymsk = y.mask
|
|---|
| 464 | ydat = y.data
|
|---|
| 465 | for i in range(l2):
|
|---|
| 466 | x2[i] = x[i/2]
|
|---|
| 467 | m2[i] = ymsk[i/2]
|
|---|
| [1819] | 468 |
|
|---|
| [2700] | 469 | y2[0] = 0.0
|
|---|
| 470 | for i in range(1,l2):
|
|---|
| 471 | y2[i] = ydat[(i-1)/2]
|
|---|
| [705] | 472 |
|
|---|
| [2700] | 473 | self.plot(x2, MaskedArray(y2,mask=m2,copy=0), fmt, add)
|
|---|
| [705] | 474 |
|
|---|
| 475 |
|
|---|
| [2700] | 476 | def plot(self, x=None, y=None, fmt=None, add=None):
|
|---|
| 477 | """
|
|---|
| 478 | Plot the next line in the current frame using the current line
|
|---|
| 479 | attributes. The ASAPlot graphics window will be mapped and raised.
|
|---|
| [1819] | 480 |
|
|---|
| [2700] | 481 | The argument list works a bit like the matlab plot() function.
|
|---|
| 482 | """
|
|---|
| 483 | if x is None:
|
|---|
| 484 | if y is None: return
|
|---|
| 485 | x = range(len(y))
|
|---|
| [705] | 486 |
|
|---|
| [2700] | 487 | elif y is None:
|
|---|
| 488 | y = x
|
|---|
| 489 | x = range(len(y))
|
|---|
| 490 | if fmt is None:
|
|---|
| 491 | line = self.axes.plot(x, y)
|
|---|
| 492 | else:
|
|---|
| 493 | line = self.axes.plot(x, y, fmt)
|
|---|
| 494 | # add a picker to lines for spectral value mode.
|
|---|
| 495 | # matplotlib.axes.plot returns a list of line object (1 element)
|
|---|
| 496 | line[0].set_picker(5.0)
|
|---|
| [705] | 497 |
|
|---|
| [2700] | 498 | # Add to an existing line?
|
|---|
| 499 | i = None
|
|---|
| 500 | if add is None or len(self.lines) < add < 0:
|
|---|
| 501 | # Don't add.
|
|---|
| 502 | self.lines.append(line)
|
|---|
| 503 | i = len(self.lines) - 1
|
|---|
| 504 | else:
|
|---|
| 505 | if add == 0: add = len(self.lines)
|
|---|
| 506 | i = add - 1
|
|---|
| 507 | self.lines[i].extend(line)
|
|---|
| [705] | 508 |
|
|---|
| [2700] | 509 | # Set/reset attributes for the line.
|
|---|
| 510 | gotcolour = False
|
|---|
| 511 | for k, v in self.attributes.iteritems():
|
|---|
| 512 | if k == 'color': gotcolour = True
|
|---|
| 513 | for segment in self.lines[i]:
|
|---|
| 514 | getattr(segment, "set_%s"%k)(v)
|
|---|
| [705] | 515 |
|
|---|
| [2700] | 516 | if not gotcolour and len(self.colormap):
|
|---|
| 517 | for segment in self.lines[i]:
|
|---|
| 518 | getattr(segment, "set_color")(self.colormap[self.color])
|
|---|
| 519 | if len(self.colormap) == 1:
|
|---|
| 520 | getattr(segment, "set_dashes")(self.linestyles[self.linestyle])
|
|---|
| [705] | 521 |
|
|---|
| [2700] | 522 | self.color += 1
|
|---|
| 523 | if self.color >= len(self.colormap):
|
|---|
| 524 | self.color = 0
|
|---|
| [1826] | 525 |
|
|---|
| [2700] | 526 | if len(self.colormap) == 1:
|
|---|
| 527 | self.linestyle += 1
|
|---|
| 528 | if self.linestyle >= len(self.linestyles):
|
|---|
| 529 | self.linestyle = 0
|
|---|
| [1259] | 530 |
|
|---|
| [2700] | 531 | self.show()
|
|---|
| [705] | 532 |
|
|---|
| [1926] | 533 |
|
|---|
| [1153] | 534 | def tidy(self):
|
|---|
| 535 | # this needs to be exceuted after the first "refresh"
|
|---|
| 536 | nplots = len(self.subplots)
|
|---|
| 537 | if nplots == 1: return
|
|---|
| 538 | for i in xrange(nplots):
|
|---|
| 539 | ax = self.subplots[i]['axes']
|
|---|
| 540 | if i%self.cols:
|
|---|
| 541 | ax.xaxis.majorTicks[0].label1On = False
|
|---|
| 542 | else:
|
|---|
| 543 | if i != 0:
|
|---|
| 544 | ax.yaxis.majorTicks[-1].label1On = False
|
|---|
| [1926] | 545 | ## set axes label state for interior subplots.
|
|---|
| 546 | #innerax=False
|
|---|
| 547 | #if i%self.cols:
|
|---|
| 548 | # ax.yaxis.label.set_visible(innerax)
|
|---|
| 549 | #if (i <= (self.rows-1)*self.cols - 1) and (i+self.cols < nplots):
|
|---|
| 550 | # ax.xaxis.label.set_visible(innerax)
|
|---|
| 551 |
|
|---|
| [1153] | 552 |
|
|---|
| [705] | 553 | def set_title(self, title=None):
|
|---|
| [1019] | 554 | """
|
|---|
| 555 | Set the title of the plot window. Use the previous title if title is
|
|---|
| 556 | omitted.
|
|---|
| 557 | """
|
|---|
| 558 | if title is not None:
|
|---|
| 559 | self.title = title
|
|---|
| [705] | 560 |
|
|---|
| [1019] | 561 | self.figure.text(0.5, 0.95, self.title, horizontalalignment='center')
|
|---|
| [705] | 562 |
|
|---|
| 563 |
|
|---|
| [2700] | 564 | def text(self, *args, **kwargs):
|
|---|
| 565 | """
|
|---|
| 566 | Add text to the figure.
|
|---|
| 567 | """
|
|---|
| 568 | self.figure.text(*args, **kwargs)
|
|---|
| 569 | self.show()
|
|---|
| 570 |
|
|---|
| 571 | def vline_with_label(self, x, y, label,
|
|---|
| 572 | location='bottom', rotate=0.0, **kwargs):
|
|---|
| 573 | """
|
|---|
| 574 | Plot a vertical line with label.
|
|---|
| 575 | It takes 'world' values fo x and y.
|
|---|
| 576 | """
|
|---|
| 577 | ax = self.axes
|
|---|
| 578 | # need this to suppress autoscaling during this function
|
|---|
| 579 | self.axes.set_autoscale_on(False)
|
|---|
| 580 | ymin = 0.0
|
|---|
| 581 | ymax = 1.0
|
|---|
| 582 | valign = 'center'
|
|---|
| 583 | if location.lower() == 'top':
|
|---|
| 584 | y = max(0.0, y)
|
|---|
| 585 | elif location.lower() == 'bottom':
|
|---|
| 586 | y = min(0.0, y)
|
|---|
| 587 | lbloffset = 0.06
|
|---|
| 588 | # a rough estimate for the bb of the text
|
|---|
| 589 | if rotate > 0.0: lbloffset = 0.03*len(label)
|
|---|
| 590 | peakoffset = 0.01
|
|---|
| 591 | xy = None
|
|---|
| 592 | xy0 = None
|
|---|
| 593 | # matplotlib api change 0.98 is using transform now
|
|---|
| 594 | if hasattr(ax.transData, "inverse_xy_tup"):
|
|---|
| 595 | # get relative coords
|
|---|
| 596 | xy0 = ax.transData.xy_tup((x,y))
|
|---|
| 597 | xy = ax.transAxes.inverse_xy_tup(xy0)
|
|---|
| 598 | else:
|
|---|
| 599 | xy0 = ax.transData.transform((x,y))
|
|---|
| 600 | # get relative coords
|
|---|
| 601 | xy = ax.transAxes.inverted().transform(xy0)
|
|---|
| 602 | if location.lower() == 'top':
|
|---|
| 603 | ymax = 1.0-lbloffset
|
|---|
| 604 | ymin = xy[1]+peakoffset
|
|---|
| 605 | valign = 'bottom'
|
|---|
| 606 | ylbl = ymax+0.01
|
|---|
| 607 | elif location.lower() == 'bottom':
|
|---|
| 608 | ymin = lbloffset
|
|---|
| 609 | ymax = xy[1]-peakoffset
|
|---|
| 610 | valign = 'top'
|
|---|
| 611 | ylbl = ymin-0.01
|
|---|
| 612 | trans = blended_transform_factory(ax.transData, ax.transAxes)
|
|---|
| 613 | l = ax.axvline(x, ymin, ymax, color='black', **kwargs)
|
|---|
| 614 | t = ax.text(x, ylbl ,label, verticalalignment=valign,
|
|---|
| 615 | horizontalalignment='center',
|
|---|
| 616 | rotation=rotate,transform = trans)
|
|---|
| 617 | self.axes.set_autoscale_on(True)
|
|---|
| 618 |
|
|---|
| 619 | def release(self):
|
|---|
| 620 | """
|
|---|
| 621 | Release buffered graphics.
|
|---|
| 622 | """
|
|---|
| 623 | self.buffering = False
|
|---|
| 624 | self.show()
|
|---|
| 625 |
|
|---|
| 626 |
|
|---|
| [1153] | 627 | def show(self, hardrefresh=True):
|
|---|
| [1019] | 628 | """
|
|---|
| 629 | Show graphics dependent on the current buffering state.
|
|---|
| 630 | """
|
|---|
| [1153] | 631 | if not hardrefresh: return
|
|---|
| [1019] | 632 | if not self.buffering:
|
|---|
| 633 | if self.loc is not None:
|
|---|
| [1086] | 634 | for sp in self.subplots:
|
|---|
| [1019] | 635 | lines = []
|
|---|
| 636 | labels = []
|
|---|
| 637 | i = 0
|
|---|
| [1086] | 638 | for line in sp['lines']:
|
|---|
| [1019] | 639 | i += 1
|
|---|
| 640 | if line is not None:
|
|---|
| 641 | lines.append(line[0])
|
|---|
| 642 | lbl = line[0].get_label()
|
|---|
| 643 | if lbl == '':
|
|---|
| 644 | lbl = str(i)
|
|---|
| 645 | labels.append(lbl)
|
|---|
| [705] | 646 |
|
|---|
| [1019] | 647 | if len(lines):
|
|---|
| [1147] | 648 | fp = FP(size=rcParams['legend.fontsize'])
|
|---|
| [2068] | 649 | #fsz = fp.get_size_in_points() - len(lines)
|
|---|
| 650 | fsz = fp.get_size_in_points() - max(len(lines),self.cols)
|
|---|
| 651 | #fp.set_size(max(fsz,6))
|
|---|
| 652 | fp.set_size(max(fsz,8))
|
|---|
| [1086] | 653 | sp['axes'].legend(tuple(lines), tuple(labels),
|
|---|
| [1147] | 654 | self.loc, prop=fp)
|
|---|
| [1946] | 655 | #else:
|
|---|
| 656 | # sp['axes'].legend((' '))
|
|---|
| [705] | 657 |
|
|---|
| [1086] | 658 | from matplotlib.artist import setp
|
|---|
| [1560] | 659 | fpx = FP(size=rcParams['xtick.labelsize'])
|
|---|
| 660 | xts = fpx.get_size_in_points()- (self.cols)/2
|
|---|
| 661 | fpy = FP(size=rcParams['ytick.labelsize'])
|
|---|
| 662 | yts = fpy.get_size_in_points() - (self.rows)/2
|
|---|
| 663 | fpa = FP(size=rcParams['axes.labelsize'])
|
|---|
| 664 | fpat = FP(size=rcParams['axes.titlesize'])
|
|---|
| 665 | axsize = fpa.get_size_in_points()
|
|---|
| [1819] | 666 | tsize = fpat.get_size_in_points()-(self.cols)/2
|
|---|
| [1086] | 667 | for sp in self.subplots:
|
|---|
| 668 | ax = sp['axes']
|
|---|
| [1819] | 669 | ax.title.set_size(tsize)
|
|---|
| [1086] | 670 | setp(ax.get_xticklabels(), fontsize=xts)
|
|---|
| 671 | setp(ax.get_yticklabels(), fontsize=yts)
|
|---|
| 672 | off = 0
|
|---|
| [1819] | 673 | if self.cols > 1: off = self.cols
|
|---|
| [1560] | 674 | ax.xaxis.label.set_size(axsize-off)
|
|---|
| [1819] | 675 | off = 0
|
|---|
| 676 | if self.rows > 1: off = self.rows
|
|---|
| [1560] | 677 | ax.yaxis.label.set_size(axsize-off)
|
|---|
| [705] | 678 |
|
|---|
| [2700] | 679 | def save(self, fname=None, orientation=None, dpi=None, papertype=None):
|
|---|
| [1019] | 680 | """
|
|---|
| [2700] | 681 | Save the plot to a file.
|
|---|
| 682 |
|
|---|
| 683 | fname is the name of the output file. The image format is determined
|
|---|
| 684 | from the file suffix; 'png', 'ps', and 'eps' are recognized. If no
|
|---|
| 685 | file name is specified 'yyyymmdd_hhmmss.png' is created in the current
|
|---|
| 686 | directory.
|
|---|
| [1019] | 687 | """
|
|---|
| [2700] | 688 | from asap import rcParams
|
|---|
| 689 | if papertype is None:
|
|---|
| 690 | papertype = rcParams['plotter.papertype']
|
|---|
| 691 | if fname is None:
|
|---|
| 692 | from datetime import datetime
|
|---|
| 693 | dstr = datetime.now().strftime('%Y%m%d_%H%M%S')
|
|---|
| 694 | fname = 'asap'+dstr+'.png'
|
|---|
| [705] | 695 |
|
|---|
| [2700] | 696 | d = ['png','.ps','eps', 'svg']
|
|---|
| [705] | 697 |
|
|---|
| [2700] | 698 | from os.path import expandvars
|
|---|
| 699 | fname = expandvars(fname)
|
|---|
| [705] | 700 |
|
|---|
| [2700] | 701 | if fname[-3:].lower() in d:
|
|---|
| 702 | try:
|
|---|
| 703 | if fname[-3:].lower() == ".ps":
|
|---|
| 704 | from matplotlib import __version__ as mv
|
|---|
| 705 | w = self.figure.get_figwidth()
|
|---|
| 706 | h = self.figure.get_figheight()
|
|---|
| 707 |
|
|---|
| 708 | if orientation is None:
|
|---|
| 709 | # oriented
|
|---|
| 710 | if w > h:
|
|---|
| 711 | orientation = 'landscape'
|
|---|
| 712 | else:
|
|---|
| 713 | orientation = 'portrait'
|
|---|
| 714 | from matplotlib.backends.backend_ps import papersize
|
|---|
| 715 | pw,ph = papersize[papertype.lower()]
|
|---|
| 716 | ds = None
|
|---|
| 717 | if orientation == 'landscape':
|
|---|
| 718 | ds = min(ph/w, pw/h)
|
|---|
| 719 | else:
|
|---|
| 720 | ds = min(pw/w, ph/h)
|
|---|
| 721 | ow = ds * w
|
|---|
| 722 | oh = ds * h
|
|---|
| 723 | self.figure.set_size_inches((ow, oh))
|
|---|
| 724 | self.figure.savefig(fname, orientation=orientation,
|
|---|
| 725 | papertype=papertype.lower())
|
|---|
| 726 | self.figure.set_size_inches((w, h))
|
|---|
| 727 | print 'Written file %s' % (fname)
|
|---|
| 728 | else:
|
|---|
| 729 | if dpi is None:
|
|---|
| 730 | dpi =150
|
|---|
| 731 | self.figure.savefig(fname,dpi=dpi)
|
|---|
| 732 | print 'Written file %s' % (fname)
|
|---|
| 733 | except IOError, msg:
|
|---|
| 734 | #print 'Failed to save %s: Error msg was\n\n%s' % (fname, err)
|
|---|
| 735 | asaplog.post()
|
|---|
| 736 | asaplog.push('Failed to save %s: Error msg was\n\n%s' % (fname, str(msg)))
|
|---|
| 737 | asaplog.post( 'ERROR' )
|
|---|
| 738 | return
|
|---|
| 739 | else:
|
|---|
| 740 | #print "Invalid image type. Valid types are:"
|
|---|
| 741 | #print "'ps', 'eps', 'png'"
|
|---|
| 742 | asaplog.push( "Invalid image type. Valid types are:" )
|
|---|
| 743 | asaplog.push( "'ps', 'eps', 'png', 'svg'" )
|
|---|
| 744 | asaplog.post('WARN')
|
|---|
| 745 |
|
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| 746 |
|
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| 747 | ### GUI event methods ###
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| 748 | def position(self):
|
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| [1019] | 749 | """
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| [2700] | 750 | Use the mouse to get a position from a graph.
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| [1019] | 751 | """
|
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| [1147] | 752 |
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| [2700] | 753 | def position_disable(event):
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| 754 | self.register('button_press', None)
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| 755 | print '%.4f, %.4f' % (event.xdata, event.ydata)
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| 756 |
|
|---|
| 757 | print 'Press any mouse button...'
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| 758 | self.register('button_press', position_disable)
|
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| 759 |
|
|---|
| 760 |
|
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| 761 | def get_region(self):
|
|---|
| 762 | pos = []
|
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| 763 | print "Please select the bottom/left point"
|
|---|
| 764 | pos.append(self.figure.ginput(n=1, show_clicks=False)[0])
|
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| 765 | print "Please select the top/right point"
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| 766 | pos.append(self.figure.ginput(n=1, show_clicks=False)[0])
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| 767 | return pos
|
|---|
| 768 |
|
|---|
| 769 | def get_point(self):
|
|---|
| 770 | print "Please select the point"
|
|---|
| 771 | pt = self.figure.ginput(n=1, show_clicks=False)
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| 772 | if pt:
|
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| 773 | return pt[0]
|
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| 774 | else:
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| 775 | return None
|
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| 776 |
|
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| 777 | def region(self):
|
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| [1147] | 778 | """
|
|---|
| [2700] | 779 | Use the mouse to get a rectangular region from a plot.
|
|---|
| 780 |
|
|---|
| 781 | The return value is [x0, y0, x1, y1] in world coordinates.
|
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| [1147] | 782 | """
|
|---|
| [2700] | 783 |
|
|---|
| 784 | def region_start(event):
|
|---|
| 785 | self.rect = {'x': event.x, 'y': event.y,
|
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| 786 | 'world': [event.xdata, event.ydata,
|
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| 787 | event.xdata, event.ydata]}
|
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| 788 | self.register('button_press', None)
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| 789 | self.register('motion_notify', region_draw)
|
|---|
| 790 | self.register('button_release', region_disable)
|
|---|
| 791 |
|
|---|
| 792 | def region_draw(event):
|
|---|
| 793 | self.figmgr.toolbar.draw_rubberband(event, event.x, event.y,
|
|---|
| 794 | self.rect['x'], self.rect['y'])
|
|---|
| 795 |
|
|---|
| 796 | def region_disable(event):
|
|---|
| 797 | self.register('motion_notify', None)
|
|---|
| 798 | self.register('button_release', None)
|
|---|
| 799 |
|
|---|
| 800 | self.rect['world'][2:4] = [event.xdata, event.ydata]
|
|---|
| 801 | print '(%.2f, %.2f) (%.2f, %.2f)' % (self.rect['world'][0],
|
|---|
| 802 | self.rect['world'][1], self.rect['world'][2],
|
|---|
| 803 | self.rect['world'][3])
|
|---|
| 804 | self.figmgr.toolbar.release(event)
|
|---|
| 805 |
|
|---|
| 806 | self.register('button_press', region_start)
|
|---|
| 807 |
|
|---|
| 808 | # This has to be modified to block and return the result (currently
|
|---|
| 809 | # printed by region_disable) when that becomes possible in matplotlib.
|
|---|
| 810 |
|
|---|
| 811 | return [0.0, 0.0, 0.0, 0.0]
|
|---|
| 812 |
|
|---|
| 813 |
|
|---|
| 814 | def register(self, type=None, func=None):
|
|---|
| 815 | """
|
|---|
| 816 | Register, reregister, or deregister events of type 'button_press',
|
|---|
| 817 | 'button_release', or 'motion_notify'.
|
|---|
| 818 |
|
|---|
| 819 | The specified callback function should have the following signature:
|
|---|
| 820 |
|
|---|
| 821 | def func(event)
|
|---|
| 822 |
|
|---|
| 823 | where event is an MplEvent instance containing the following data:
|
|---|
| 824 |
|
|---|
| 825 | name # Event name.
|
|---|
| 826 | canvas # FigureCanvas instance generating the event.
|
|---|
| 827 | x = None # x position - pixels from left of canvas.
|
|---|
| 828 | y = None # y position - pixels from bottom of canvas.
|
|---|
| 829 | button = None # Button pressed: None, 1, 2, 3.
|
|---|
| 830 | key = None # Key pressed: None, chr(range(255)), shift,
|
|---|
| 831 | win, or control
|
|---|
| 832 | inaxes = None # Axes instance if cursor within axes.
|
|---|
| 833 | xdata = None # x world coordinate.
|
|---|
| 834 | ydata = None # y world coordinate.
|
|---|
| 835 |
|
|---|
| 836 | For example:
|
|---|
| 837 |
|
|---|
| 838 | def mouse_move(event):
|
|---|
| 839 | print event.xdata, event.ydata
|
|---|
| 840 |
|
|---|
| 841 | a = asaplot()
|
|---|
| 842 | a.register('motion_notify', mouse_move)
|
|---|
| 843 |
|
|---|
| 844 | If func is None, the event is deregistered.
|
|---|
| 845 |
|
|---|
| 846 | Note that in TkAgg keyboard button presses don't generate an event.
|
|---|
| 847 | """
|
|---|
| 848 |
|
|---|
| 849 | if not self.events.has_key(type): return
|
|---|
| 850 |
|
|---|
| 851 | if func is None:
|
|---|
| 852 | if self.events[type] is not None:
|
|---|
| 853 | # It's not clear that this does anything.
|
|---|
| 854 | self.canvas.mpl_disconnect(self.events[type])
|
|---|
| 855 | self.events[type] = None
|
|---|
| 856 |
|
|---|
| 857 | # It seems to be necessary to return events to the toolbar. <-- Not ture. 2010.Jul.14.kana.
|
|---|
| 858 | #if type == 'motion_notify':
|
|---|
| 859 | # self.canvas.mpl_connect(type + '_event',
|
|---|
| 860 | # self.figmgr.toolbar.mouse_move)
|
|---|
| 861 | #elif type == 'button_press':
|
|---|
| 862 | # self.canvas.mpl_connect(type + '_event',
|
|---|
| 863 | # self.figmgr.toolbar.press)
|
|---|
| 864 | #elif type == 'button_release':
|
|---|
| 865 | # self.canvas.mpl_connect(type + '_event',
|
|---|
| 866 | # self.figmgr.toolbar.release)
|
|---|
| 867 |
|
|---|
| [1535] | 868 | else:
|
|---|
| [2700] | 869 | self.events[type] = self.canvas.mpl_connect(type + '_event', func)
|
|---|
| [2538] | 870 |
|
|---|
