Fix intersect detection using time indexing
Facepalm, obviously absolute array indexes are not going to necessarily align vs. time over multiple feeds/history. Instead use `np.searchsorted()` on whatever curve has the smallest support and find the appropriate index of intersection in time so that alignment always starts at a sensible reference. Also adds a `debug_print: bool` input arg which can enable all the prints when working on this.log_linearized_curve_overlays
Tyler Goodlet
parent
776ffd2b1c
commit
481f1b3d7e
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@ -20,7 +20,9 @@ Chart view box primitives
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"""
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from __future__ import annotations
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from contextlib import asynccontextmanager
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import math
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from math import (
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isinf,
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)
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import time
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from typing import (
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Optional,
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@ -904,6 +906,8 @@ class ChartView(ViewBox):
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def interact_graphics_cycle(
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self,
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*args,
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debug_print: bool = False,
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):
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profiler = Profiler(
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msg=f'ChartView.interact_graphics_cycle() for {self.name}',
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@ -971,7 +975,7 @@ class ChartView(ViewBox):
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],
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] = {}
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max_istart: float = 0
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# major_in_view: np.ndarray = None
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major_in_view: np.ndarray = None
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for name, viz in chart._vizs.items():
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@ -1061,7 +1065,7 @@ class ChartView(ViewBox):
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mx_disp = disp
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major_mn = ymn
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major_mx = ymx
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# major_in_view = in_view
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major_in_view = in_view
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# compute directional (up/down) y-range % swing/dispersion
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y_ref = y_med
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@ -1099,6 +1103,9 @@ class ChartView(ViewBox):
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if (
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len(start_datums) < 2
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):
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if not major_viz:
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major_viz = viz
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# print(f'ONLY ranging major: {viz.name}')
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major_viz.plot.vb._set_yrange(
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yrange=yrange,
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@ -1125,13 +1132,6 @@ class ChartView(ViewBox):
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if viz is major_viz:
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ymn = y_min
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ymx = y_max
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# print(
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# f'{view.name} MAJOR mxmn\n'
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# '--------------------\n'
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# f'scaled ymn: {ymn}\n'
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# f'scaled ymx: {ymx}\n'
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# f'scaled mx_disp: {mx_disp}\n'
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# )
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continue
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else:
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@ -1149,31 +1149,61 @@ class ChartView(ViewBox):
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# y-range based on the major curves y-range.
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# get intersection point y-values for both curves
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mshm = major_viz.shm
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minor_in_view_start = minor_in_view[0]
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minor_i_start = minor_in_view_start['index']
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minor_i_start_t = minor_in_view_start['time']
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minor_i_start = minor_in_view[0]['index']
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major_i_start = mshm.array['index'][0]
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major_in_view_start = major_in_view[0]
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major_i_start = major_in_view_start['index']
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major_i_start_t = major_in_view_start['time']
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abs_i_start = max(
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minor_i_start,
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major_i_start,
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)
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y_major_intersect = major_in_view_start[key]
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y_minor_intersect = minor_in_view_start[key]
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y_maj_intersect = mshm._array[abs_i_start][key]
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y_minor_intersect = viz.shm._array[abs_i_start][key]
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tdiff = (major_i_start_t - minor_i_start_t)
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if debug_print:
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print(
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f'{major_viz.name} time diff with minor:\n'
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f'maj:{major_i_start_t}\n'
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'-\n'
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f'min:{minor_i_start_t}\n'
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f'=> {tdiff}\n'
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)
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# major has later timestamp adjust minor
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if tdiff > 0:
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y_minor_i = np.searchsorted(
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minor_in_view['time'],
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major_i_start_t,
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)
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y_minor_intersect = minor_in_view[y_minor_i][key]
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# minor has later timestamp adjust major
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elif tdiff < 0:
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y_major_i = np.searchsorted(
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major_in_view['time'],
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minor_i_start_t,
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)
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y_major_intersect = major_in_view[y_major_i][key]
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if debug_print:
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print(
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f'major_i_start: {major_i_start}\n'
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f'major_i_start_t: {major_i_start_t}\n'
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f'minor_i_start: {minor_i_start}\n'
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f'minor_i_start_t: {minor_i_start_t}\n'
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)
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# TODO: probably write this as a compile cpython or
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# numba func.
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# if abs_i_start > major_i_start:
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# compute directional (up/down) y-range
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# % swing/dispersion starting at the reference index
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# determined by the above indexing arithmetic.
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y_ref = y_maj_intersect
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y_ref = y_major_intersect
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if not y_ref:
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log.warning(
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f'BAD y_maj_intersect?!: {y_maj_intersect}'
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f'BAD y_major_intersect?!: {y_major_intersect}'
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)
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# breakpoint()
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@ -1196,18 +1226,15 @@ class ChartView(ViewBox):
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y_ref = y_minor_intersect
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r_up_minor = (y_max - y_ref) / y_ref
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# y_maj_ref = max(
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# major_in_view[0][key],
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# y_maj_intersect,
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# )
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y_maj_ref = y_maj_intersect
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y_maj_ref = y_major_intersect
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new_maj_ymx = y_maj_ref * (1 + r_up_minor)
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new_maj_mxmn = (major_mn, new_maj_ymx)
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# print(
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# f'{view.name} OUT OF RANGE:\n'
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# '--------------------\n'
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# f'y_max:{y_max} > ymx:{ymx}\n'
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# )
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if debug_print:
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print(
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f'{view.name} OUT OF RANGE:\n'
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'--------------------\n'
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f'y_max:{y_max} > ymx:{ymx}\n'
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)
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ymx = y_max
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if y_min < ymn:
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@ -1215,58 +1242,46 @@ class ChartView(ViewBox):
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y_ref = y_minor_intersect
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r_down_minor = (y_min - y_ref) / y_ref
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# y_maj_ref = min(
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# major_in_view[0][key],
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# y_maj_intersect,
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# )
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y_maj_ref = y_maj_intersect
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y_maj_ref = y_major_intersect
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new_maj_ymn = y_maj_ref * (1 + r_down_minor)
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new_maj_mxmn = (
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new_maj_ymn,
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new_maj_mxmn[1] if new_maj_mxmn else major_mx
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)
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# print(
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# f'{view.name} OUT OF RANGE:\n'
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# '--------------------\n'
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# f'y_min:{y_min} < ymn:{ymn}\n'
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# )
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if debug_print:
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print(
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f'{view.name} OUT OF RANGE:\n'
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'--------------------\n'
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f'y_min:{y_min} < ymn:{ymn}\n'
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)
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ymn = y_min
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# now scale opposite side to compensate
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# y_ref = y_major_intersect
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# r_down_minor = (major_ - y_ref) / y_ref
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if new_maj_mxmn:
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# print(
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# f'RESCALE MAJOR {major_viz.name}:\n'
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# f'previous: {(major_mn, major_mx)}\n'
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# f'new: {new_maj_mxmn}\n'
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# )
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# major_viz.plot.vb._set_yrange(
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# yrange=new_maj_mxmn,
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# # range_margin=None,
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# )
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if debug_print:
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print(
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f'RESCALE MAJOR {major_viz.name}:\n'
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f'previous: {(major_mn, major_mx)}\n'
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f'new: {new_maj_mxmn}\n'
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)
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major_mn, major_mx = new_maj_mxmn
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# vrs = major_viz.plot.vb.viewRange()
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# if vrs[1][0] > new_maj_mxmn[0]:
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# breakpoint()
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# print(
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# f'{view.name} APPLY group mxmn\n'
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# '--------------------\n'
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# f'minor_y_start: {minor_y_start}\n'
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# f'mn_down_rng: {mn_down_rng * 100}\n'
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# f'mx_up_rng: {mx_up_rng * 100}\n'
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# f'scaled ymn: {ymn}\n'
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# f'scaled ymx: {ymx}\n'
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# f'scaled mx_disp: {mx_disp}\n'
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# )
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if debug_print:
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print(
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f'{view.name} APPLY group mxmn\n'
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'--------------------\n'
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f'y_minor_intersect: {y_minor_intersect}\n'
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f'y_major_intersect: {y_major_intersect}\n'
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f'mn_down_rng: {mn_down_rng * 100}\n'
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f'mx_up_rng: {mx_up_rng * 100}\n'
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f'scaled ymn: {ymn}\n'
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f'scaled ymx: {ymx}\n'
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f'scaled mx_disp: {mx_disp}\n'
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)
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if (
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math.isinf(ymx)
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or math.isinf(ymn)
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isinf(ymx)
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or isinf(ymn)
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):
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# breakpoint()
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log.warning(
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f'BAD ymx/ymn: {(ymn, ymx)}'
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)
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@ -1281,11 +1296,13 @@ class ChartView(ViewBox):
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# inside of a single render cycle (and apparently calling
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# `ViewBox.setYRange()` multiple times within one only takes
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# the first call as serious...) XD
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# print(
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# f'Scale MAJOR {major_viz.name}:\n'
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# f'previous: {(major_mn, major_mx)}\n'
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# f'new: {new_maj_mxmn}\n'
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# )
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if debug_print:
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print(
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f'Scale MAJOR {major_viz.name}:\n'
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f'scaled mx_disp: {mx_disp}\n'
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f'previous: {(major_mn, major_mx)}\n'
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f'new: {new_maj_mxmn}\n'
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)
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major_viz.plot.vb._set_yrange(
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yrange=(major_mn, major_mx),
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)
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