(self)
| 86 | self.render() |
| 87 | |
| 88 | def render(self): |
| 89 | self._context = "run" |
| 90 | # Clear output |
| 91 | if 'inline' in self.backend: |
| 92 | IPython.display.clear_output(wait=True) |
| 93 | self.figure = None |
| 94 | |
| 95 | # Separate the draw_*() calls that generate a grid cell |
| 96 | grid_calls = [] |
| 97 | silent_calls = [] |
| 98 | for c in self.drawing_calls: |
| 99 | if c[0] == "draw_summary": |
| 100 | silent_calls.append(c) |
| 101 | else: |
| 102 | grid_calls.append(c) |
| 103 | |
| 104 | # Header area |
| 105 | # TODO: ideally, compute how much header area we need based on the |
| 106 | # length of text to show there. Right now, we're just using |
| 107 | # a fixed number multiplied by the number of calls. Since there |
| 108 | # is only one silent call, draw_summary(), then the header padding |
| 109 | # is either 0 or 0.1 |
| 110 | head_pad = 0.1 * len(silent_calls) |
| 111 | |
| 112 | width = self.theme['fig_width'] |
| 113 | if not self.figure: |
| 114 | self.figure = plt.figure(figsize=(width, width/3 * (head_pad + len(grid_calls)))) |
| 115 | self.figure.clear() |
| 116 | |
| 117 | # Divide figure area by number of grid calls |
| 118 | gs = matplotlib.gridspec.GridSpec(len(grid_calls), 1) |
| 119 | |
| 120 | # Call silent calls |
| 121 | for c in silent_calls: |
| 122 | getattr(self, c[0])(*c[1], **c[2]) |
| 123 | |
| 124 | # Call grid methods |
| 125 | for i, c in enumerate(grid_calls): |
| 126 | method = c[0] |
| 127 | # Create an axis for each call |
| 128 | # Save in in self.ax so the drawing function has access to it |
| 129 | self.ax = self.figure.add_subplot(gs[i]) |
| 130 | # Save the GridSpec as well |
| 131 | self.gs = gs[i] |
| 132 | # Call the method |
| 133 | getattr(self, method)(*c[1], **c[2]) |
| 134 | # Cleanup after drawing |
| 135 | self.ax = None |
| 136 | self.gs = None |
| 137 | gs.tight_layout(self.figure, rect=(0, 0, 1, 1-head_pad)) |
| 138 | |
| 139 | # TODO: pause() allows the GUI to render but it's sluggish because it |
| 140 | # only has 0.1 seconds of CPU time at each step. A better solution would be to |
| 141 | # launch a separate process to render the GUI and pipe data to it. |
| 142 | plt.pause(0.1) |
| 143 | plt.show(block=False) |
| 144 | self.drawing_calls = [] |
| 145 | self._context = None |
no outgoing calls