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- import CustomComponents 1.0
- import QtQuick 1.0
-
- Rectangle {
- id: root
-
- property real sumy : 0
- property real sumxsq : 0
- property real sumx : 0
- property real sumxy : 0
- property int n : 0
-
- width: 720; height: 680
-
- BrewingControlChart {
- id: graph
-
- width: 450; height: 600
- anchors {right: parent.right; rightMargin: 20; top: parent.top; topMargin: 20}
- }
- Item {
- anchors {left: parent.left; leftMargin: 10; top: parent.top; topMargin: 10}
-
- Column {
- spacing: 8
-
- ListView {
- spacing: 3
- height: 600; width: 100
- contentHeight: dataViewModel.count * 35
-
- model: ListModel {
- id: dataViewModel
- }
- delegate: Row {
- spacing: 3
-
- Rectangle {
- width: 30; height: 30
- color: dataViewModel.get(index).color
- }
- Column {
- Text {
- text: "Strength: " + dataViewModel.get(index).ptds + "% TDS"
- }
- Text {
- text: "Extraction: " + Number(dataViewModel.get(index).extraction * 100).toFixed(2) + "%"
- }
- }
- }
- }
- }
- }
-
- Component.onCompleted: {
- var quitItem = window.addMenuItem("File", "Quit");
- quitItem.shortcut = "Ctrl+Q";
- quitItem.triggered.connect(function() {
- Qt.quit();
- });
- var clearItem = window.addMenuItem("Plotting", "Clear Data");
- clearItem.triggered.connect(function() {
- graph.clear();
- dataViewModel.clear();
- root.sumy = 0;
- root.sumxsq = 0;
- root.sumx = 0;
- root.sumxy = 0;
- root.n = 0;
- graph.setFit(0, 0, 0, 0);
- });
- var showLeastSquares = window.addMenuItem("Plotting", "Least Squares Fit");
- showLeastSquares.checkable = true;
- showLeastSquares.triggered.connect(function() {
- graph.setFitVisible(showLeastSquares.checked);
- });
- window.newPoint.connect(function(pointDescription) {
- graph.plotPoint(pointDescription.extraction,
- pointDescription.ptds / 100,
- pointDescription.color)
- dataViewModel.append(pointDescription)
- root.n += 1
- root.sumy += pointDescription.ptds / 100
- root.sumx += pointDescription.extraction
- root.sumxy += ((pointDescription.ptds / 100) * pointDescription.extraction)
- root.sumxsq += Math.pow(pointDescription.extraction, 2)
- if(root.n > 1) {
- var a = ((root.sumy * root.sumxsq)-(root.sumx * root.sumxy))/((root.n * root.sumxsq)-Math.pow(root.sumx, 2))
- var b = ((root.n * root.sumxy)-(root.sumx * root.sumy))/((root.n * root.sumxsq) - Math.pow(root.sumx, 2))
- var x1 = 0.14
- var x2 = 0.26
- var y1 = a + (b * x1)
- var y2 = a + (b * x2)
- if(y1 < 0.008) {
- x1 = (0.008 - a) / b
- y1 = 0.008
- }
- if(y2 < 0.008) {
- x2 = (0.008 - a) / b
- y2 = 0.008
- }
- if(y1 > 0.016) {
- x1 = (0.016 - a) / b
- y2 = 0.016
- }
- if(y2 > 0.016) {
- x2 = (0.016 - a) / b
- y2 = 0.016
- }
- graph.setFit(x1, y1, x2, y2)
- }
- });
- }
- }
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