Added graph + updated formula creation
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Magnus Persson
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d796794602
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0783a206b2
@ -8,6 +8,7 @@
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<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
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<script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>
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<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" crossorigin="anonymous"></script>
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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</head>
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<body class="py-4">
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@ -88,14 +89,15 @@
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<input type="text" name="id" id="id" hidden>
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<div class="row mb-3">
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Here you can create your gravity formula by entering angles and the corresponding gravity (SG). These values
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Here you can create your gravity formula by entering angles/tilt and the corresponding gravity (SG). These values
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will be saved for future use. Angles with 0 (zero) will be skipped. The values below will be used to check the
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formula and if the deviation is more than 1.5 SG then the forumla will be rejected.
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formula and if the deviation is more than 1.5 SG then the forumla will be rejected. On the bottom of the page you can
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see a graph over the entered values + values calcualated by the formula.
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</div>
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<div class="form-group row">
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<label class="col-sm-2 col-form-label">#:</label>
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<label class="col-sm-4 col-form-label">Angle:</label>
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<label class="col-sm-4 col-form-label">Angle/Tilt:</label>
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<label class="col-sm-4 col-form-label">Gravity (SG):</label>
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</div>
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@ -163,15 +165,73 @@
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<label for="calculate-btn" class="col-sm-2 col-form-label">Formula: </label>
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<label for="calculate-btn" class="col-sm-8 col-form-label" id="formula">Loading...</label>
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</div>
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</form>
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</div>
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</div>
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</div>
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</div>
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<hr class="my-4">
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<div>
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<canvas id="gravityChart"></canvas>
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</div>
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<hr class="my-4">
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</div>
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<script type="text/javascript">
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var chartDataForm = [];
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var chartDataCalc = [];
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const dataSetChart = {
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datasets: [{
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label: 'Raw data',
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borderColor: 'blue',
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backgroundColor: 'blue',
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data: chartDataForm
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}, {
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label: 'Calculated',
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borderColor: 'green',
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backgroundColor: 'green',
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data: chartDataCalc
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}]
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}
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const configChart = {
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type: 'line',
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data: dataSetChart,
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options: {
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responsive: true,
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interaction: {
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intersect: false,
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},
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scales: {
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x: {
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display: true,
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type: 'linear',
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grace: '5%',
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title: {
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display: true,
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text: 'Angle/Tilt'
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},
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ticks: {
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crossAlign: 'far'
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},
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suggestedMin: 25
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},
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y: {
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display: true,
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title: {
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display: true,
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text: 'Gravity'
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},
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suggestedMin: 1.000
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}
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}
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}
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};
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var myChart = 0;
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</script>
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<script type="text/javascript">
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g1.onchange = setFourNumberDecimal
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g2.onchange = setFourNumberDecimal
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@ -190,12 +250,53 @@
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function setTwoNumberDecimal(event) {
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this.value = parseFloat(this.value).toFixed(2);
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populateChart();
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}
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function setFourNumberDecimal(event) {
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this.value = parseFloat(this.value).toFixed(4);
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populateChart();
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}
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function populateChartForm(a, g) {
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if( a != 0)
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chartDataForm.push( { x: parseFloat(a), y: parseFloat(g) });
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}
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function populateChartCalc(a, g) {
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chartDataCalc.push( { x: parseFloat(a), y: parseFloat(g) });
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}
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function populateChart() {
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chartDataCalc.length = 0
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for( i = 25.0; i<80.0; i+=5.0) {
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var formula = $("#formula").text();
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var angle = i.toString();
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formula=formula.replaceAll( "tilt^3", angle+"*"+angle+"*"+angle );
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formula=formula.replaceAll( "tilt^2", angle+"*"+angle );
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formula=formula.replaceAll( "tilt", angle );
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var g = eval( formula );
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populateChartCalc( i, g );
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}
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chartDataForm.length = 0
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populateChartForm( $("#a1").val(), $("#g1").val() );
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populateChartForm( $("#a2").val(), $("#g2").val() );
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populateChartForm( $("#a3").val(), $("#g3").val() );
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populateChartForm( $("#a4").val(), $("#g4").val() );
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populateChartForm( $("#a5").val(), $("#g5").val() );
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if( myChart )
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myChart.destroy();
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myChart = new Chart(
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document.getElementById('gravityChart'),
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configChart
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);
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}
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function setButtonDisabled( b ) {
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$("#calculate-btn").prop("disabled", b);
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}
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@ -225,6 +326,8 @@
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$("#g3").val( parseFloat(cfg["g3"]).toFixed(4) );
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$("#g4").val( parseFloat(cfg["g4"]).toFixed(4) );
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$("#g5").val( parseFloat(cfg["g5"]).toFixed(4) );
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populateChart();
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})
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.fail(function () {
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showError('Unable to get data from the device.');
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File diff suppressed because one or more lines are too long
@ -34,7 +34,7 @@ build_flags =
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-D EMBED_HTML # If this is not used the html files needs to be on the file system (can be uploaded)
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-D USER_SSID=\""\"" # =\""myssid\""
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-D USER_SSID_PWD=\""\"" # =\""mypwd\""
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-D CFG_APPVER="\"0.4.0\""
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-D CFG_APPVER="\"0.4.9\""
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lib_deps = # Switched to forks for better version control.
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# Using local copy of this library
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#https://github.com/mp-se/i2cdevlib # https://github.com/jrowberg/i2cdevlib.git
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10
src/calc.cpp
10
src/calc.cpp
@ -61,12 +61,16 @@ int createFormula( RawFormulaData& fd, char *formulaBuffer, int order ) {
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//Returned value is 0 if no error
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if( ret == 0 ) {
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if( noAngles==5 )
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// Print the formula based on 'order'
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if( order == 4 ) {
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sprintf( formulaBuffer, "%.8f*tilt^4+%.8f*tilt^3+%.8f*tilt^2+%.8f*tilt+%.8f", coeffs[0], coeffs[1], coeffs[2], coeffs[3], coeffs[4] );
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} else if( order == 3 ) {
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sprintf( formulaBuffer, "%.8f*tilt^3+%.8f*tilt^2+%.8f*tilt+%.8f", coeffs[0], coeffs[1], coeffs[2], coeffs[3] );
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else if( noAngles==4 )
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} else if( order == 2 ) {
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sprintf( formulaBuffer, "%.8f*tilt^2+%.8f*tilt+%.8f", coeffs[0], coeffs[1], coeffs[2] );
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else // ==3
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} else { // order == 1
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sprintf( formulaBuffer, "%.8f*tilt+%.8f", coeffs[0], coeffs[1] );
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}
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bool valid = true;
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@ -1,5 +1,5 @@
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{
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"gravity-formula": "0.0*tilt^3+0.0*tilt^2+0.0017978*tilt+0.9436",
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"gravity-formula": "0.00000166*tilt^3+-0.00024799*tilt^2+0.01344400*tilt+0.79358248",
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"angle": 45,
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"a1": 25,
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"a2": 35,
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@ -8,7 +8,7 @@
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"a5": 65,
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"g1": 1.000,
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"g2": 1.010,
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"g3": 1.020,
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"g4": 1.030,
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"g5": 1.040
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"g3": 1.025,
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"g4": 1.040,
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"g5": 1.060
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}
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