Updated distance in measurement helper so its a settable compoment. See example.js file in measurement helper folder

This commit is contained in:
znetsixe
2025-10-05 09:34:00 +02:00
parent d99561fa80
commit de0b947c56
5 changed files with 348 additions and 274 deletions

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@@ -7,249 +7,325 @@ console.log('retrieving, and converting measurement data with automatic unit han
// ====================================
// BASIC SETUP EXAMPLES
// ====================================
console.log('--- Example 1: Basic Setup & Event Subscription ---');
console.log('--- Example 1: Basic Setup & Distance ---');
// Create a basic container
const basicContainer = new MeasurementContainer({ windowSize: 20 });
// Subscribe to flow events to monitor changes
// Subscribe to events to monitor changes
basicContainer.emitter.on('flow.predicted.upstream', (data) => {
console.log(`📡 Event: Flow predicted upstream update: ${data.value} at ${new Date(data.timestamp).toLocaleTimeString()}`);
console.log(`📡 Event: Flow predicted upstream = ${data.value} ${data.unit || ''} (distance=${data.distance ?? 'n/a'}m)`);
});
//show all flow values from variant measured
// Subscribe to all measured flow events using wildcard
basicContainer.emitter.on('flow.measured.*', (data) => {
console.log(`📡 Event---------- I DID IT: Flow measured ${data.position} update: ${data.value}`)
console.log(`📡 Event: Flow measured ${data.position} = ${data.value} ${data.unit || ''} (distance=${data.distance ?? 'n/a'}m)`);
});
// Basic value setting with chaining
console.log('Setting basic pressure values...');
basicContainer.type('pressure').variant('measured').position('upstream').value(100).unit('psi');
basicContainer.type('pressure').variant('measured').position('downstream').value(95).unit('psi');
basicContainer.type('pressure').variant('measured').position('downstream').value(80); // Additional value
// Basic value setting with distance
console.log('\nSetting pressure values with distances:');
basicContainer
.type('pressure')
.variant('measured')
.position('upstream')
.distance(1.5)
.value(100)
.unit('psi');
basicContainer
.type('pressure')
.variant('measured')
.position('downstream')
.distance(5.2)
.value(95)
.unit('psi');
// Distance persists - no need to set it again for same position
basicContainer
.type('pressure')
.variant('measured')
.position('downstream')
.value(90); // distance 5.2 is automatically reused
console.log('✅ Basic setup complete\n');
// Retrieve and display the distance
const upstreamPressure = basicContainer
.type('pressure')
.variant('measured')
.position('upstream')
.get();
console.log(`Retrieved upstream pressure: ${upstreamPressure.getCurrentValue()} ${upstreamPressure.unit}`);
console.log(`Distance from parent: ${upstreamPressure.distance ?? 'not set'} m\n`);
// ====================================
// AUTO-CONVERSION SETUP EXAMPLES
// AUTO-CONVERSION SETUP
// ====================================
console.log('--- Example 2: Auto-Conversion Setup ---');
console.log('Setting up a container with automatic unit conversion...\n');
// Create container with auto-conversion enabled
const autoContainer = new MeasurementContainer({
autoConvert: true,
windowSize: 50,
defaultUnits: {
pressure: 'bar', // Default pressure unit
flow: 'l/min', // Default flow unit
power: 'kW', // Default power unit
temperature: 'C' // Default temperature unit
pressure: 'bar',
flow: 'l/min',
power: 'kW',
temperature: 'C'
},
preferredUnits: {
pressure: 'psi' // Override: store pressure in PSI instead of bar
pressure: 'psi'
}
});
// Values are automatically converted to preferred units
console.log('Adding pressure data with auto-conversion:');
autoContainer.type('pressure').variant('measured').position('upstream')
.value(1.5, Date.now(), 'bar'); // Input: 1.5 bar → Auto-stored as ~21.76 psi
// Values automatically convert to preferred units
console.log('Adding pressure with auto-conversion:');
autoContainer
.type('pressure')
.variant('measured')
.position('upstream')
.distance(0.5)
.value(1.5, Date.now(), 'bar'); // Input: 1.5 bar → Auto-stored as ~21.76 psi
autoContainer.type('pressure').variant('measured').position('downstream')
.value(20, Date.now(), 'psi'); // Input: 20 psi → Stored as 20 psi (already in preferred unit)
const converted = autoContainer
.type('pressure')
.variant('measured')
.position('upstream')
.get();
// Check what was actually stored
const storedPressure = autoContainer.type('pressure').variant('measured').position('upstream').get();
console.log(` Stored upstream pressure: ${storedPressure.getCurrentValue()} ${storedPressure.unit}`);
console.log(' Auto-conversion setup complete\n');
console.log(`Stored as: ${converted.getCurrentValue()} ${converted.unit} (distance=${converted.distance}m)`);
console.log('✅ Auto-conversion complete\n');
// ====================================
// UNIT CONVERSION EXAMPLES
// UNIT CONVERSION ON RETRIEVAL
// ====================================
console.log('--- Example 3: Unit Conversion on Retrieval ---');
console.log('Getting values in different units without changing stored data...\n');
// Add flow data in different units
autoContainer.type('flow').variant('predicted').position('upstream')
.value(100, Date.now(), 'l/min'); // Stored in l/min (default)
autoContainer
.type('flow')
.variant('predicted')
.position('upstream')
.distance(2.4)
.value(100, Date.now(), 'l/min');
autoContainer.type('flow').variant('predicted').position('downstream')
.value(6, Date.now(), 'm3/h'); // Auto-converted from m3/h to l/min
const flowMeasurement = autoContainer
.type('flow')
.variant('predicted')
.position('upstream')
.get();
// Retrieve the same data in different units
const flowLPM = autoContainer.type('flow').variant('predicted').position('upstream').getCurrentValue('l/min');
const flowM3H = autoContainer.type('flow').variant('predicted').position('upstream').getCurrentValue('m3/h');
const flowGPM = autoContainer.type('flow').variant('predicted').position('upstream').getCurrentValue('gal/min');
console.log(`Flow in l/min: ${flowLPM}`);
console.log(`Flow in m³/h: ${flowM3H.toFixed(2)}`);
console.log(`Flow in gal/min: ${flowGPM.toFixed(2)}`);
console.log('Unit conversion examples complete\n');
console.log(`Flow in l/min: ${flowMeasurement.getCurrentValue('l/min')}`);
console.log(`Flow in m³/h: ${flowMeasurement.getCurrentValue('m3/h').toFixed(2)}`);
console.log(`Flow in gal/min: ${flowMeasurement.getCurrentValue('gal/min').toFixed(2)}`);
console.log(`Distance: ${flowMeasurement.distance}m\n`);
// ====================================
// SMART UNIT SELECTION
// ====================================
console.log('--- Example 4: Smart Unit Selection ---');
console.log('Automatically finding the best unit for readability...\n');
// Add a very small pressure value
autoContainer.type('pressure').variant('test').position('sensor')
autoContainer
.type('pressure')
.variant('test')
.position('sensor')
.distance(0.2)
.value(0.001, Date.now(), 'bar');
// Get the best unit for this small value
const bestUnit = autoContainer.type('pressure').variant('test').position('sensor').getBestUnit();
const bestUnit = autoContainer
.type('pressure')
.variant('test')
.position('sensor')
.getBestUnit();
if (bestUnit) {
console.log(`Best unit representation: ${bestUnit.val} ${bestUnit.unit}`);
console.log(`Best unit: ${bestUnit.val.toFixed(2)} ${bestUnit.unit}`);
}
// Get all available units for pressure
const availableUnits = autoContainer.getAvailableUnits('pressure');
console.log(`Available pressure units: ${availableUnits.slice(0, 8).join(', ')}... (${availableUnits.length} total)`);
console.log('Smart unit selection complete\n');
console.log(`Available units: ${availableUnits.slice(0, 5).join(', ')}...\n`);
// ====================================
// BASIC RETRIEVAL AND CALCULATIONS
// BASIC RETRIEVAL
// ====================================
console.log('--- Example 5: Basic Value Retrieval ---');
console.log('Getting individual values and their units...\n');
// Using basic container for clear examples
const upstreamValue = basicContainer.type('pressure').variant('measured').position('upstream').getCurrentValue();
const upstreamUnit = basicContainer.type('pressure').variant('measured').position('upstream').get().unit;
console.log(`Upstream pressure: ${upstreamValue} ${upstreamUnit}`);
const upstreamVal = basicContainer
.type('pressure')
.variant('measured')
.position('upstream')
.getCurrentValue();
const downstreamValue = basicContainer.type('pressure').variant('measured').position('downstream').getCurrentValue();
const downstreamUnit = basicContainer.type('pressure').variant('measured').position('downstream').get().unit;
console.log(`Downstream pressure: ${downstreamValue} ${downstreamUnit}`);
console.log('Basic retrieval complete\n');
const upstreamData = basicContainer
.type('pressure')
.variant('measured')
.position('upstream')
.get();
console.log(`Upstream: ${upstreamVal} ${upstreamData.unit} at ${upstreamData.distance}m`);
const downstreamVal = basicContainer
.type('pressure')
.variant('measured')
.position('downstream')
.getCurrentValue();
const downstreamData = basicContainer
.type('pressure')
.variant('measured')
.position('downstream')
.get();
console.log(`Downstream: ${downstreamVal} ${downstreamData.unit} at ${downstreamData.distance}m\n`);
// ====================================
// CALCULATIONS AND STATISTICS
// CALCULATIONS & STATISTICS
// ====================================
console.log('--- Example 6: Calculations & Statistics ---');
console.log('Using built-in calculation methods...\n');
// Add flow data for calculations
basicContainer.type('flow').variant('predicted').position('upstream').value(200).unit('gpm');
basicContainer.type('flow').variant('predicted').position('downstream').value(195).unit('gpm');
basicContainer
.type('flow')
.variant('predicted')
.position('upstream')
.distance(3.0)
.value(200)
.unit('gpm');
const flowAvg = basicContainer.type('flow').variant('predicted').position('upstream').getAverage();
console.log(`Average upstream flow: ${flowAvg} gpm`);
basicContainer
.type('flow')
.variant('predicted')
.position('downstream')
.distance(8.5)
.value(195)
.unit('gpm');
// Calculate pressure difference between upstream and downstream
const pressureDiff = basicContainer.type('pressure').variant('measured').difference();
console.log(`Pressure difference: ${pressureDiff.value} ${pressureDiff.unit}`);
console.log('Calculations complete\n');
const flowAvg = basicContainer
.type('flow')
.variant('predicted')
.position('upstream')
.getAverage();
console.log(`Average upstream flow: ${flowAvg.toFixed(1)} gpm`);
const pressureDiff = basicContainer
.type('pressure')
.variant('measured')
.difference();
console.log(`Pressure difference: ${pressureDiff.value} ${pressureDiff.unit}\n`);
// ====================================
// ADVANCED STATISTICS
// ADVANCED STATISTICS & HISTORY
// ====================================
console.log('--- Example 7: Advanced Statistics & History ---');
console.log('Adding multiple values and getting comprehensive statistics...\n');
// Add several flow measurements to build history
basicContainer.type('flow').variant('measured').position('upstream')
.value(210).value(215).value(205).value(220).value(200).unit('m3/h');
basicContainer.type('flow').variant('measured').position('downstream')
.value(190).value(195).value(185).value(200).value(180).unit('m3/h');
basicContainer
.type('flow')
.variant('measured')
.position('upstream')
.distance(3.0)
.value(210)
.value(215)
.value(205)
.value(220)
.value(200)
.unit('m3/h');
const stats = basicContainer
.type('flow')
.variant('measured')
.position('upstream');
const statsData = stats.get();
// Get comprehensive statistics
const measurement = basicContainer.type('flow').variant('measured').position('upstream');
console.log('Flow Statistics:');
console.log(`- Current value: ${measurement.getCurrentValue()} ${measurement.get().unit}`);
console.log(`- Average: ${measurement.getAverage().toFixed(1)} ${measurement.get().unit}`);
console.log(`- Minimum: ${measurement.getMin()} ${measurement.get().unit}`);
console.log(`- Maximum: ${measurement.getMax()} ${measurement.get().unit}`);
console.log(` Current: ${stats.getCurrentValue()} ${statsData.unit}`);
console.log(` Average: ${stats.getAverage().toFixed(1)} ${statsData.unit}`);
console.log(` Min: ${stats.getMin()} ${statsData.unit}`);
console.log(` Max: ${stats.getMax()} ${statsData.unit}`);
console.log(` Distance: ${statsData.distance}m`);
// Show all values with timestamps
const allValues = measurement.getAllValues();
console.log(`- Total samples: ${allValues.values.length}`);
console.log(`- Value history: [${allValues.values.join(', ')}]`);
console.log('Advanced statistics complete\n');
const allValues = stats.getAllValues();
console.log(` Samples: ${allValues.values.length}`);
console.log(` History: [${allValues.values.join(', ')}]\n`);
// ====================================
// DYNAMIC UNIT MANAGEMENT
// ====================================
console.log('--- Example 8: Dynamic Unit Management ---');
console.log('Changing preferred units at runtime...\n');
// Change preferred unit for flow measurements
autoContainer.setPreferredUnit('flow', 'm3/h');
console.log('Changed preferred flow unit to m³/h');
// Add new flow data - will auto-convert to new preferred unit
autoContainer.type('flow').variant('realtime').position('inlet')
.value(150, Date.now(), 'l/min'); // Input in l/min, stored as m³/h
autoContainer
.type('flow')
.variant('realtime')
.position('inlet')
.distance(1.2)
.value(150, Date.now(), 'l/min');
const realtimeFlow = autoContainer.type('flow').variant('realtime').position('inlet');
console.log(`Stored as: ${realtimeFlow.getCurrentValue()} ${realtimeFlow.get().unit}`);
console.log(`Original unit: ${realtimeFlow.getCurrentValue('l/min')} l/min`);
console.log('Dynamic unit management complete\n');
const realtimeFlow = autoContainer
.type('flow')
.variant('realtime')
.position('inlet')
.get();
console.log(`Stored as: ${realtimeFlow.getCurrentValue()} ${realtimeFlow.unit}`);
console.log(`Original: ${realtimeFlow.getCurrentValue('l/min').toFixed(1)} l/min`);
console.log(`Distance: ${realtimeFlow.distance}m\n`);
// ====================================
// DATA EXPLORATION
// ====================================
console.log('--- Example 9: Data Exploration ---');
console.log('Discovering what data is available in the container...\n');
console.log('Available measurement types:', basicContainer.getTypes());
console.log('Available types:', basicContainer.getTypes());
console.log('Pressure variants:', basicContainer.type('pressure').getVariants());
console.log('Measured pressure positions:', basicContainer.type('pressure').variant('measured').getPositions());
// Show data structure overview
console.log('\nData Structure Overview:');
console.log('\nData Structure:');
basicContainer.getTypes().forEach(type => {
console.log(`${type.toUpperCase()}:`);
const variants = basicContainer.type(type).getVariants();
variants.forEach(variant => {
const positions = basicContainer.type(type).variant(variant).getPositions();
positions.forEach(position => {
const measurement = basicContainer.type(type).variant(variant).position(position).get();
if (measurement && measurement.values.length > 0) {
console.log(` └── ${variant}.${position}: ${measurement.values.length} values (${measurement.unit || 'no unit'})`);
}
if (variants.length > 0) {
console.log(`${type.toUpperCase()}:`);
variants.forEach(variant => {
const positions = basicContainer.type(type).variant(variant).getPositions();
positions.forEach(position => {
const m = basicContainer.type(type).variant(variant).position(position).get();
if (m && m.values.length > 0) {
console.log(` └─ ${variant}.${position}: ${m.values.length} values, ${m.unit || 'no unit'}, dist=${m.distance ?? 'n/a'}m`);
}
});
});
});
}
});
console.log('Data exploration complete\n');
console.log('\n✅ All examples complete!\n');
// ====================================
// BEST PRACTICES SUMMARY
// BEST PRACTICES
// ====================================
console.log('--- Best Practices Summary ---');
console.log('BEST PRACTICES FOR NEW USERS:\n');
console.log('--- Best Practices Summary ---\n');
console.log('1. SETUP:');
console.log(' • Enable auto-conversion for consistent units');
console.log(' • Define default units for your measurement types');
console.log(' • Set appropriate window size for your data needs\n');
console.log('SETUP:');
console.log(' • Enable autoConvert for consistent units');
console.log(' • Define defaultUnits for your measurement types');
console.log(' • Set windowSize based on your data retention needs\n');
console.log('2. STORING DATA:');
console.log(' Always use the full chain: type().variant().position().value()');
console.log(' • Specify source unit when adding values: .value(100, timestamp, "psi")');
console.log(' • Set units immediately after first value: .value(100).unit("psi")\n');
console.log('STORING DATA:');
console.log(' • Chain methods: type().variant().position().distance().value()');
console.log(' • Set distance once - it persists for that position');
console.log(' • Specify source unit: .value(100, timestamp, "psi")');
console.log(' • Set unit immediately: .value(100).unit("psi")\n');
console.log('3. RETRIEVING DATA:');
console.log(' • Use .getCurrentValue("unit") to get values in specific units');
console.log(' • Use .getBestUnit() for automatic unit selection');
console.log(' • Use .difference() for automatic upstream/downstream calculations\n');
console.log('RETRIEVING DATA:');
console.log(' • Use .getCurrentValue("unit") for specific units');
console.log(' • Use .getBestUnit() for automatic selection');
console.log(' • Use .difference() for upstream/downstream deltas');
console.log(' • Access .get().distance for physical positioning\n');
console.log('4. MONITORING:');
console.log(' • Subscribe to events for real-time updates');
console.log(' Use .emitter.on("type.variant.position", callback)');
console.log(' • Explore available data with .getTypes(), .getVariants(), .getPositions()\n');
console.log('MONITORING:');
console.log(' • Subscribe: .emitter.on("type.variant.position", callback)');
console.log(' • Event data includes: value, unit, timestamp, distance');
console.log(' • Explore data: .getTypes(), .getVariants(), .getPositions()\n');
console.log('All examples complete! Ready to use MeasurementContainer');
// Export for programmatic use
module.exports = {
runExamples: () => {
console.log('Measurement Container Examples - Complete Guide for New Users');
console.log('This file demonstrates all features with practical examples.');
},
// Export containers for testing
basicContainer,
autoContainer
};
module.exports = { basicContainer, autoContainer };