3 examples of 'python colorbar label' in Python

492
def _set_label_text(self):
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    """
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    set label.
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    """
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    self.cbar_axis.set_label_text(self._label, **self._labelkw)

2220
def _colorbar(off=0.0, colors=256, label_name='zlabel'):
2221
    global _plt
2222
    gr.savestate()
2223
    viewport = _plt.kwargs['viewport']
2224
    zmin, zmax = _plt.kwargs['zrange']
2225
    gr.setwindow(0, 1, zmin, zmax)
2226
    gr.setviewport(viewport[1] + 0.02 + off, viewport[1] + 0.05 + off,
2227
                   viewport[2], viewport[3])
2228
2229
    if colors == 1:
2230
        data = [1000]
2231
    else:
2232
        data = [1000 + int(255 * i / (colors - 1)) for i in range(colors)]
2233
2234
    gr.setlinecolorind(1)
2235
    gr.setscale(0)
2236
    if _plt.kwargs['scale'] & gr.OPTION_FLIP_Z:
2237
        gr.cellarray(0, 1, zmin, zmax, 1, colors, data)
2238
    else:
2239
        gr.cellarray(0, 1, zmax, zmin, 1, colors, data)
2240
    diag = ((viewport[1] - viewport[0])**2 + (viewport[3] - viewport[2])**2)**0.5
2241
    charheight = max(0.016 * diag, 0.012)
2242
    gr.setcharheight(charheight)
2243
    if _plt.kwargs['scale'] & gr.OPTION_Z_LOG:
2244
        if _plt.kwargs['scale'] & gr.OPTION_FLIP_Z:
2245
            gr.setscale(gr.OPTION_Y_LOG | gr.OPTION_FLIP_Y)
2246
        else:
2247
            gr.setscale(gr.OPTION_Y_LOG)
2248
        gr.axes(0, 2, 1, zmin, 0, 1, 0.005)
2249
    else:
2250
        if _plt.kwargs['scale'] & gr.OPTION_FLIP_Z:
2251
            gr.setscale(gr.OPTION_FLIP_Y)
2252
        else:
2253
            gr.setscale(0)
2254
        ztick = 0.5 * gr.tick(zmin, zmax)
2255
        gr.axes(0, ztick, 1, zmin, 0, 1, 0.005)
2256
    label = _plt.kwargs.get(label_name, None)
2257
    if label:
2258
        diag = ((viewport[1] - viewport[0])**2 + (viewport[3] - viewport[2])**2)**0.5
2259
        charheight = max(0.018 * diag, 0.012)
2260
        gr.setcharheight(charheight)
2261
        gr.settextalign(gr.TEXT_HALIGN_CENTER, gr.TEXT_VALIGN_BASE)
2262
        gr.textext(viewport[1] + 0.035 + off, viewport[3] + 0.01, label)
2263
    gr.restorestate()

197
def set_label(self, text, unit=None):
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    self.cb_plot_widget.setLabel('left', text=text, units=unit)
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    if unit is not None:
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        self.max_spinbox.setSuffix(unit)
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        self.min_spinbox.setSuffix(unit)
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    return