TOSQUASH: 2dc706aa (.default_view w time)
Tyler Goodlet
parent
16d5ea5b33
commit
3096b206d9
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@ -810,6 +810,8 @@ class LinkedSplits(QWidget):
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self.chart.sidepane.setMinimumWidth(sp_w)
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# TODO: we should really drop using this type and instead just
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# write our own wrapper around `PlotItem`..
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class ChartPlotWidget(pg.PlotWidget):
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'''
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``GraphicsView`` subtype containing a single ``PlotItem``.
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@ -921,7 +923,7 @@ class ChartPlotWidget(pg.PlotWidget):
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# show background grid
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self.showGrid(x=False, y=True, alpha=0.3)
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self.cv.enable_auto_yrange()
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# self.cv.enable_auto_yrange()
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self.pi_overlay: PlotItemOverlay = PlotItemOverlay(self.plotItem)
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@ -1012,21 +1014,17 @@ class ChartPlotWidget(pg.PlotWidget):
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log.warning(f'`Viz` for {self.name} not loaded yet?')
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return
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renderer = viz._src_r
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if renderer is None:
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return
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(
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start,
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_,
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l,
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datum_start,
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datum_stop,
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r,
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stop,
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_,
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) = viz.datums_range()
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array = viz.shm.array
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index_field = renderer.fmtr.index_field
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index_field = viz.index_field
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if index_field == 'time':
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vr = viz.plot.viewRect()
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@ -1043,21 +1041,20 @@ class ChartPlotWidget(pg.PlotWidget):
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iv_arr = array[mask]
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index = iv_arr['index']
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else:
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index = array['index']
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# these must be array-index-ints (hence the slice from time
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# above).
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x_start, x_stop = index[0], index[-1]
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l, lbar, rbar, r = viz.bars_range()
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view: ChartView = viz.plot.vb
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if (
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rbar < 0
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datum_stop < 0
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or l < x_start
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or l < 0
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or (rbar - lbar) < 6
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or (datum_stop - datum_start) < 6
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):
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# TODO: set fixed bars count on screen that approx includes as
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# many bars as possible before a downsample line is shown.
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begin = x_stop - bars_from_y
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view.setXRange(
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min=begin,
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@ -1065,29 +1062,35 @@ class ChartPlotWidget(pg.PlotWidget):
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padding=0,
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)
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# re-get range
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l, lbar, rbar, r = viz.bars_range()
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l, datum_start, datum_stop, r = viz.bars_range()
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# we get the L1 spread label "length" in view coords
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# terms now that we've scaled either by user control
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# or to the default set of bars as per the immediate block
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# above.
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debug_msg = (
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f'x_stop: {x_stop}\n'
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)
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if not y_offset:
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marker_pos, l1_len = self.pre_l1_xs()
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end = x_stop + l1_len + 1
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debug_msg += (
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f'marker pos: {marker_pos}\n'
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f'l1 len: {l1_len}\n'
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)
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else:
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end = x_stop + y_offset + 1
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begin = end - (r - l)
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# for debugging
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print(
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# f'bars range: {brange}\n'
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f'x_stop: {x_stop}\n'
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f'marker pos: {marker_pos}\n'
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f'l1 len: {l1_len}\n'
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f'begin: {begin}\n'
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debug_msg += (
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f'end: {end}\n'
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f'begin: {begin}\n'
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)
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print(debug_msg)
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# remove any custom user yrange setttings
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if self._static_yrange == 'axis':
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@ -1361,35 +1364,6 @@ class ChartPlotWidget(pg.PlotWidget):
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**kwargs,
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)
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# def _label_h(self, yhigh: float, ylow: float) -> float:
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# # compute contents label "height" in view terms
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# # to avoid having data "contents" overlap with them
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# if self._labels:
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# label = self._labels[self.name][0]
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# rect = label.itemRect()
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# tl, br = rect.topLeft(), rect.bottomRight()
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# vb = self.plotItem.vb
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# try:
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# # on startup labels might not yet be rendered
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# top, bottom = (vb.mapToView(tl).y(), vb.mapToView(br).y())
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# # XXX: magic hack, how do we compute exactly?
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# label_h = (top - bottom) * 0.42
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# except np.linalg.LinAlgError:
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# label_h = 0
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# else:
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# label_h = 0
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# # print(f'label height {self.name}: {label_h}')
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# if label_h > yhigh - ylow:
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# label_h = 0
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# print(f"bounds (ylow, yhigh): {(ylow, yhigh)}")
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# TODO: pretty sure we can just call the cursor
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# directly not? i don't wee why we need special "signal proxies"
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# for this lul..
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@ -1426,22 +1400,20 @@ class ChartPlotWidget(pg.PlotWidget):
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# TODO: here we should instead look up the ``Viz.shm.array``
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# and read directly from shm to avoid copying to memory first
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# and then reading it again here.
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flow_key = name or self.name
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viz = self._vizs.get(flow_key)
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if (
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viz is None
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):
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log.error(f"viz {flow_key} doesn't exist in chart {self.name} !?")
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viz_key = name or self.name
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viz = self._vizs.get(viz_key)
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if viz is None:
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log.error(f"viz {viz_key} doesn't exist in chart {self.name} !?")
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key = res = 0, 0
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else:
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(
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first,
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_,
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l,
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lbar,
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rbar,
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r,
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last,
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_,
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) = bars_range or viz.datums_range()
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profiler(f'{self.name} got bars range')
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@ -1453,7 +1425,7 @@ class ChartPlotWidget(pg.PlotWidget):
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res is None
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):
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log.warning(
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f"{flow_key} no mxmn for bars_range => {key} !?"
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f"{viz_key} no mxmn for bars_range => {key} !?"
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)
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res = 0, 0
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if not self._on_screen:
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@ -1461,7 +1433,7 @@ class ChartPlotWidget(pg.PlotWidget):
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self._on_screen = True
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profiler(f'yrange mxmn: {key} -> {res}')
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# print(f'{flow_key} yrange mxmn: {key} -> {res}')
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# print(f'{viz_key} yrange mxmn: {key} -> {res}')
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return res
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def get_viz(
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