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Adjust RateOfChange to expose the same interface as a Channel object

Neal Wilson 11 anos atrás
pai
commit
427f0858f4
2 arquivos alterados com 11 adições e 9 exclusões
  1. 3
    3
      config/Windows/productionroaster.xml
  2. 8
    6
      src/rate.w

+ 3
- 3
config/Windows/productionroaster.xml Ver arquivo

@@ -423,7 +423,7 @@
423 423
 							indicator.digitCount = 9;
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 							var decorator = new WidgetDecorator(indicator, configModel.data(driverIndex, 0), 2);
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 							indicatorPanel.addWidget(decorator);
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-							rate.measurement.connect(indicator.setValue);
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+							rate.newData.connect(indicator.setValue);
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 							temperatureDisplays.push(indicator);
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 							rateCalculators.push(rate);
429 429
 						}
@@ -494,13 +494,13 @@
494 494
 		for(var i = channels.length; i < channels.length + rateCalculators.length; i++) {
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 			var offset = new MeasurementTimeOffset(epoch);
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 			rateoffsets.push(offset);
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-			rateCalculators[i - channels.length].measurement.connect(offset.newMeasurement);
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+			rateCalculators[i - channels.length].newData.connect(offset.newMeasurement);
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 			var adapter = new MeasurementAdapter(i + 1);
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 			rateadapters.push(adapter);
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 			offset.measurement.connect(adapter.newMeasurement);
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 			var emitter = new ZeroEmitter(i + 1);
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 			ratezeros.push(emitter);
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-			rateCalculators[i - channels.length].measurement.connect(emitter.newMeasurement);
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+			rateCalculators[i - channels.length].newData.connect(emitter.newMeasurement);
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 			emitter.measurement.connect(graph.newMeasurement);
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 		}
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         start.clicked.connect(function() {

+ 8
- 6
src/rate.w Ver arquivo

@@ -24,7 +24,7 @@ class RateOfChange : public QObject
24 24
 		void setCacheTime(int seconds);
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 		void setScaleTime(int seconds);
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 	signals:
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-		void measurement(Measurement measure);
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+		void newData(Measurement measure);
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 	private:
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 		int ct;
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 		int st;
@@ -81,10 +81,12 @@ if(cache.size() > 2)
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 	}
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 }
83 83
 
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-@ When calculating the rate of change we are doing something that will
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-fundamentally increase the noise expressed through the derived series.
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-Delivering a derived series that both lacks excessive volatility and remains
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-acceptably accurate requires careful tuning.
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+@ The calculation method here is subject to change as this is still noisier
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+than I would like. What we are doing here is calculating the rate of change
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+between each pair of adjacent measurements in the cache and averaging them to
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+produce something that is a little less noisy than just using the first and
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+last measurements in the cache. Other techniques may be useful for reducing the
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+noise further.
88 90
 
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 The measurement will carry the fact that it is a relative measurement.
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@@ -105,7 +107,7 @@ double pavg = acc /= rates.size();
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 double v2 = pavg * st;
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 Measurement value(v2, cache.back().time(), cache.back().scale());
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 value.insert("relative", true);
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-emit measurement(value);
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+emit newData(value);
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 @ The rest of the class implementation is trivial.
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