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WIP starting architecture doc str writeup..

incremental_update_paths
Tyler Goodlet 2022-04-18 08:30:28 -04:00
parent 5a9bab0b69
commit e0a72a2174
1 changed files with 9 additions and 0 deletions
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9
piker/ui/_flows.py
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@ -302,6 +302,7 @@ class Flow(msgspec.Struct): # , frozen=True):
# update our pre-downsample-ready data and then pass that # update our pre-downsample-ready data and then pass that
# new data the downsampler algo for incremental update. # new data the downsampler algo for incremental update.
else: else:
pass
# do incremental update # do incremental update
graphics.update_from_array( graphics.update_from_array(
@ -417,6 +418,14 @@ class Renderer(msgspec.Struct):
''' '''
Render the current graphics path(s) Render the current graphics path(s)
There are (at least) 3 stages from source data to graphics data:
- a data transform (which can be stored in additional shm)
- a graphics transform which converts discrete basis data to
a `float`-basis view-coords graphics basis. (eg. ``ohlc_flatten()``,
``step_path_arrays_from_1d()``, etc.)
- blah blah blah (from notes)
''' '''
# do full source data render to path # do full source data render to path
xfirst, xlast, array, ivl, ivr, in_view = self.last_read xfirst, xlast, array, ivl, ivr, in_view = self.last_read