26 lines
1.5 KiB
Markdown
26 lines
1.5 KiB
Markdown
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---
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source_files:
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- Common/DTS.Common.Serialization/Control/DAS/IFilterable.cs
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- Common/DTS.Common.Serialization/Control/DAS/IFilter.cs
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generated_at: "2026-04-17T16:08:03.377171+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "9a73128b86fcf306"
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---
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# DAS
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### 1. Purpose
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This module defines the core interfaces for filtering data within a Data Acquisition System (DAS) channel architecture. It establishes the contract for filterable channels (`IFilterable`) and the filters themselves (`IFilter`), enabling a strategy pattern where different filter implementations can be applied to channel data. It handles filter management, caching controls, and the application of filtering algorithms to raw or channel-based data.
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### 2. Public Interface
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**`interface IFilterable`**
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* `bool UseFilterCaching { get; set; }` - Gets or sets a flag to enable or disable filter caching.
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* `List<IFilter> AvailableFilters { get; }` - Gets the list of `IFilter` objects available for this channel.
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* `IFilter CurrentFilter { get; set; }` - Gets or sets the currently active filter.
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* `double[] GetDataFilteredBy(IFilter filter, Event.Module.Channel.DataDisplayUnits displayUnits)` - Retrieves data filtered by the specified `filter` and converted to the specified `displayUnits`.
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**`interface IFilter`**
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* `string Name { get; }` - Returns the descriptive name of the filter.
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* `bool IsCfc { get; }` - Indicates whether the filter represents a cardinal CFC (Channel Filter Class) value.
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