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Batches per-tick device readings into one signal emit instead of one
per channel, evaluates derived channels once per tick instead of once
per raw sample, and makes ChannelBuffer.window() cost scale with the
window size instead of total buffer history. Strip chart X-range now
scrolls on an independent ~30fps timer instead of only snapping when
new data lands, which was the main visible cause of the stutter.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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None op
- Variable names derived from signal display name (e.g. "Acceleration X" → acceleration_x)
instead of raw channel ID; all auto-names lowercase with underscores
- Template code auto-updates x[0]/x[1] refs to named vars as sources are added/changed;
stops updating once user edits the code manually
- Derivative wrt-channel mode uses separate template with x[1] substituted to channel var
- Added "None" passthrough operation (result = x[0])
- source_names persisted in .labdaq profiles
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- custom_script now uses exec-style (assign to `result`) matching the
built-in templates — previously auto-wrapped in def compute() which
had no return statement, causing state and channel vars to silently fail
- function kind unchanged: auto-wraps body as def compute(x,t); use return
- Add SCRIPT_TEMPLATES for expression, function, custom_script kinds;
shown automatically when user switches to a script kind (replacing stale
code from previous kind)
- New channels default to template when no saved code exists
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Named variables in expressions: source channel IDs injected as Python
identifiers alongside x[] (e.g. write `A0 * 2` instead of `x[0] * 2`)
- Shared `vars` dict on SignalProcessor accessible from all expressions,
functions, and control scripts; persisted in .labdaq profiles
- Per-derived-channel `state` dict for persistent computation state in
custom scripts
- Control widgets gain optional on_action_script (Python snippet with
value, vars, channels, math in scope); syntax-checked in editor dialog
- Built-in derived kinds (derivative, rms, power, etc.) now show their
Python implementation as read-only code previews; "Edit as Custom Script"
converts to custom_script kind with template pre-filled
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Split PipelineTab into Physical/Virtual sections via QSplitter
- Each section has independent scroll area, header, and add controls
- Add "With Respect To" control for derivative/second_derivative virtual channels: Time (dy/dt) or Channel (dy/dx)
- When Channel selected, x variable picker appears for any physical or derived channel
- signal_processor computes dy/dx using channel inputs when deriv_wrt=channel
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Plugins live in plugins/<name>/ with a manifest.json and a LabPlugin
subclass. Enabled/disabled in Settings > Plugins tab; state persists in
plugins/enabled.json and in .labdaq profiles (loading a profile
enables/disables plugins to match). Plugins can contribute toolbar
buttons, BaseDevice instances (auto-wired into acquisition pipeline),
custom signal filter classes, a settings widget, and profile state via
get_save_state/apply_save_state. Load errors now report the exact
failing stage (file not found, class missing, on_load crash).
Includes example plugin skeleton and docs/plugin-development.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Fixed derived signal saving profile. Renamed Signals>Pipeline to Signas>Channels
and adding/removing channels feature.
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