Code

Log linearized curve overlays#490

Code

Merged

goodboy merged 96 commits intomasterpikers/piker:masterfrom log_linearized_curve_overlayspikers/piker:log_linearized_curve_overlaysCopy head branch name to clipboardMar 13, 2023

+1,993-686

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Commits on Mar 10, 2023

• Add first-draft PlotItemOverlay.group_maxmin()

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• Drop Qt interaction signal usage

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• Right, handle y-ranging multiple paths per plot

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• Rename .maybe_downsample_graphics() -> .interact_graphics_cycle()

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• First draft, group y-minmax transform algo

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• 2nd try: dispersion normalize y-ranges around median

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• 3rdz the charm: log-linearize minor y-ranges to a major

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• Clean up cross-curve intersect point indexing

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• Drop .group_maxmin()

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• Only remove axis from scene when in one

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• Only set the major curve's range once (per render cycle)

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• Just warn log on bad intersect indexing errors (for now)

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• Drop update_graphics_from_flow()

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• Adjust .update_graphics() to expect in_view: bool in _fsp.py

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• When only one curve is in view, skip group ranging

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• Factor curve-dispersion sorting into primary loop

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• Fix intersect detection using time indexing

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• Add full profiling to .interact_graphics_cycle()

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• Speed up ranging in display loop

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• Add Viz.median_from_range()

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• Use new cached median method in overlay scaling

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• Add linked charts guard-flag for use in display loop

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• Don't skip overlay scaling in disp-loop for now

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• Don't scale overlays on linked from display loop

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• Use ._pathops.slice_from_time() for overlay intersects

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• Lul, actually scaled main chart from linked set

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• Comment out all median usage, turns out it's uneeded..

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• Drop old loop and wait on fsp engine tasks startups

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• Better handle dynamic registry sampler broadcasts

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• Move axis hiding into .overlay_plotitem()

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• Update profile msgs to new apis

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• Fix profiler f-string

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• Don't unset Viz.render for unit vlm

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• Allow y-range input via a yranges: dict[Viz, tuple[float, float]]

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• Pass windowed y-mxmn to .interact_graphics_cycle() calls in display loop

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• Iterate all charts (widgets) when only one overlay

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• Disable overlay scaling on per-symbol-feed updates

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• No-overlays, y-ranging optimizations

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• Always set the ChartView._viz for each plot

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• Only set the specific view's yrange per quote

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• Incrementally set vlm chart yrange per quote

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• Lel, always meant to no-cache the step curve..

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• Skip overlay transform calcs on common-pi curves

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• Only use last ChartView._yrange if set

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• Go back to no-cache on OHLC downsample line

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• Expose ._set_yrange() kwargs via yrange_kwargs: dict

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• Dynamically adjust y-range margin in display loop

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• Go back to caching on all curves

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• Facepalm, align overlay plot view exactly to parent

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• Add hack-zone UI REPL access via ctl-u

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• Try to hide all axes even when removed

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• Rework overlay pin technique: "align to first"

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• Remove vlm chart again, drop lotsa fsp cruft

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• Adjust .ui modules to new set-style "optional" annots

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• Move overlay transform logic to new .ui.view_mode

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• Drop (now) unused major curve mx/mn variables

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• Make slow chart a teensie bit smaller

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• Add Viz.view_state: ViewState

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• Drop last lingering usage of Viz.bars_range()

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• Avoid index-from-time slicing including gaps

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• Add cached dispersion methods to Viz

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• Support "pin-to-target-curve" overlay method again

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• Back-rescale previous (minor) curves from latest

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• Better doc string, use Viz.vs: ViewState

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• Solve a final minor-should-rescale edge case

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• Drop a bunch of commented/uneeded cruft

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• Drop passing overlay method from viewbox to view-mode handler

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• Skip overlay handling when N < 2 are detected

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• Repair x-label datetime labels when in array-index mode

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• Rename overlay technique var to method

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• Simplify FlowGraphics.x_last() logics

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• Fix focal min calc after switching to Viz.datums_range()..

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• Move cache-reset ctx mngr to parent type: FlowGraphics.reset_cache()

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• Add per-chart Viz/overlay graphics iterator method

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• Disable coordinate caching during interaction

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• Handle yrange not set on view vase for vlm fsp plot

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• Expand mxmn view y-margins back to 0.06

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• Drop remaining non-usage of ChartPlotWidget.maxmin()

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• Add do_min_bars: bool flag to Viz.default_view()

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• Drop remaining usage of ChartPlotWidget.default_view()

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• Facepalm: set Viz.ViewState.yrange even on cache hits..

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• Fix curve up-sampling on 'r' hotkey

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• Tweak debug printing to display y-mxmn per viz

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• Don't @lru_cache on Viz.i_from_t(), since view state..

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• Handle "target-is-shorter-then-pinned" case

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• Require step: float input to slice_from_time()

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• Always pass step to slice_from_time() in the Viz

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• Always pass step to slice_from_time() in view mode

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• Add (commented) draft 1min OHLC time index logging

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• Remove leftover debug print in cache reset meth

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• Catch KeyError on bcast errors which pop the sub

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• Always show a minimum bars during startup

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• Handle (shorter supported) minor-curve not-in-view

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• Presume never handling not-in-view case for minor curves

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• Actually yes, we need to handle empty in-view range..

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Commits on Mar 13, 2023

• Short-circuit rendering on no 1d-data; avoid m4 layer crash

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