Examples with Axis lecho.lib.hellocharts.model.Axis used on opensource projects

Example 6 with Axis

use of lecho.lib.hellocharts.model.Axis in project xDrip by NightscoutFoundation.

the class LibreTrendGraph method setupCharts.

public void setupCharts() {
    final TextView trendView = (TextView) findViewById(R.id.textLibreHeader);
    chart = (LineChartView) findViewById(R.id.libre_chart);
    List<Line> lines = new ArrayList<Line>();
    List<PointValue> lineValues = new ArrayList<PointValue>();
    final float conversion_factor_mmol = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
    LibreBlock libreBlock = LibreBlock.getLatestForTrend();
    if (libreBlock == null) {
        trendView.setText("No libre data to display");
        setupEmptyCharts();
        return;
    }
    String time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long) libreBlock.timestamp));
    ArrayList<Float> bg_data = getLatestBg(libreBlock);
    if (bg_data == null) {
        trendView.setText("Error displaying data for " + time);
        setupEmptyCharts();
        return;
    }
    trendView.setText("Scan from " + time);
    float min = 1000;
    float max = 0;
    int i = 0;
    for (float bg : bg_data) {
        if (min > bg) {
            min = bg;
        }
        if (max < bg) {
            max = bg;
        }
        lineValues.add(new PointValue(-i, bg * conversion_factor_mmol));
        i++;
    }
    Line trendLine = new Line(lineValues);
    trendLine.setColor(ChartUtils.COLOR_RED);
    trendLine.setHasLines(false);
    trendLine.setHasPoints(true);
    lines.add(trendLine);
    final int MIN_GRAPH = 20;
    if (max - min < MIN_GRAPH) {
        // On relative flat trend the graph can look very noise althouth with the right resolution it is not that way.
        // I will add two dummy invisible points that will cause the graph to look with bigger Y range.
        float average = (max + min) / 2;
        List<PointValue> dummyPointValues = new ArrayList<PointValue>();
        Line dummyPointLine = new Line(dummyPointValues);
        dummyPointValues.add(new PointValue(0, (average - MIN_GRAPH / 2) * conversion_factor_mmol));
        dummyPointValues.add(new PointValue(0, (average + MIN_GRAPH / 2) * conversion_factor_mmol));
        dummyPointLine.setColor(ChartUtils.COLOR_RED);
        dummyPointLine.setHasLines(false);
        dummyPointLine.setHasPoints(false);
        lines.add(dummyPointLine);
    }
    Axis axisX = new Axis();
    Axis axisY = new Axis().setHasLines(true);
    axisX.setTextSize(16);
    axisY.setTextSize(16);
    axisX.setName("Time from last scan");
    axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
    data = new LineChartData(lines);
    data.setAxisXBottom(axisX);
    data.setAxisYLeft(axisY);
    chart.setLineChartData(data);
}

Example 7 with Axis

use of lecho.lib.hellocharts.model.Axis in project xDrip by NightscoutFoundation.

the class CalibrationGraph method setupCharts.

public void setupCharts() {
    chart = (LineChartView) findViewById(R.id.chart);
    List<Line> lines = new ArrayList<Line>();
    // calibration values
    List<Calibration> calibrations = Calibration.allForSensor();
    List<Line> greyLines = getCalibrationsLine(calibrations, Color.parseColor("#66FFFFFF"));
    calibrations = Calibration.allForSensorInLastFourDays();
    List<Line> blueLines = getCalibrationsLine(calibrations, ChartUtils.COLOR_BLUE);
    Calibration calibration = Calibration.lastValid();
    if (calibration != null) {
        // set header
        DecimalFormat df = new DecimalFormat("#");
        df.setMaximumFractionDigits(2);
        df.setMinimumFractionDigits(2);
        String Header = "slope = " + df.format(calibration.slope) + " intercept = " + df.format(calibration.intercept);
        GraphHeader.setText(Header);
        // red line
        List<PointValue> lineValues = new ArrayList<PointValue>();
        final float conversion_factor = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
        lineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (start_x * calibration.slope + calibration.intercept))));
        lineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (end_x * calibration.slope + calibration.intercept))));
        Line calibrationLine = new Line(lineValues);
        calibrationLine.setColor(ChartUtils.COLOR_RED);
        calibrationLine.setHasLines(true);
        calibrationLine.setHasPoints(false);
        lines.add(calibrationLine);
        // calibration plugin
        final CalibrationAbstract plugin = getCalibrationPluginFromPreferences();
        if (plugin != null) {
            final CalibrationAbstract.CalibrationData pcalibration = plugin.getCalibrationData();
            final List<PointValue> plineValues = new ArrayList<PointValue>();
            plineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(start_x, pcalibration)))));
            plineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(end_x, pcalibration)))));
            final Line pcalibrationLine = new Line(plineValues);
            pcalibrationLine.setColor(Color.parseColor(plugin_color));
            pcalibrationLine.setHasLines(true);
            pcalibrationLine.setHasPoints(false);
            lines.add(pcalibrationLine);
            PluginHeader.setText("(" + plugin.getAlgorithmName() + ")  " + "s = " + df.format(pcalibration.slope) + "  i = " + df.format(pcalibration.intercept));
            PluginHeader.setTextColor(Color.parseColor(plugin_color));
        }
        // add lines in order
        for (Line greyLine : greyLines) {
            lines.add(greyLine);
        }
        for (Line blueLine : blueLines) {
            lines.add(blueLine);
        }
    }
    Axis axisX = new Axis();
    Axis axisY = new Axis().setHasLines(true);
    axisX.setName("Raw Value");
    axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
    data = new LineChartData(lines);
    data.setAxisXBottom(axisX);
    data.setAxisYLeft(axisY);
    chart.setLineChartData(data);
}

Example 8 with Axis

use of lecho.lib.hellocharts.model.Axis in project xDrip-plus by jamorham.

the class CalibrationGraph method setupCharts.

public void setupCharts() {
    chart = (LineChartView) findViewById(R.id.chart);
    List<Line> lines = new ArrayList<Line>();
    // calibration values
    List<Calibration> calibrations = Calibration.allForSensor();
    List<Line> greyLines = getCalibrationsLine(calibrations, Color.parseColor("#66FFFFFF"));
    calibrations = Calibration.allForSensorInLastFourDays();
    List<Line> blueLines = getCalibrationsLine(calibrations, ChartUtils.COLOR_BLUE);
    Calibration calibration = Calibration.lastValid();
    if (calibration != null) {
        // set header
        DecimalFormat df = new DecimalFormat("#");
        df.setMaximumFractionDigits(2);
        df.setMinimumFractionDigits(2);
        String Header = "slope = " + df.format(calibration.slope) + " intercept = " + df.format(calibration.intercept);
        GraphHeader.setText(Header);
        // red line
        List<PointValue> lineValues = new ArrayList<PointValue>();
        final float conversion_factor = (float) (doMgdl ? 1 : Constants.MGDL_TO_MMOLL);
        lineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (start_x * calibration.slope + calibration.intercept))));
        lineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (end_x * calibration.slope + calibration.intercept))));
        Line calibrationLine = new Line(lineValues);
        calibrationLine.setColor(ChartUtils.COLOR_RED);
        calibrationLine.setHasLines(true);
        calibrationLine.setHasPoints(false);
        lines.add(calibrationLine);
        // calibration plugin
        final CalibrationAbstract plugin = getCalibrationPluginFromPreferences();
        if (plugin != null) {
            final CalibrationAbstract.CalibrationData pcalibration = plugin.getCalibrationData();
            final List<PointValue> plineValues = new ArrayList<PointValue>();
            plineValues.add(new PointValue((float) start_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(start_x, pcalibration)))));
            plineValues.add(new PointValue((float) end_x, (conversion_factor * (float) (plugin.getGlucoseFromSensorValue(end_x, pcalibration)))));
            final Line pcalibrationLine = new Line(plineValues);
            pcalibrationLine.setColor(Color.parseColor(plugin_color));
            pcalibrationLine.setHasLines(true);
            pcalibrationLine.setHasPoints(false);
            lines.add(pcalibrationLine);
            PluginHeader.setText("(" + plugin.getAlgorithmName() + ")  " + "s = " + df.format(pcalibration.slope) + "  i = " + df.format(pcalibration.intercept));
            PluginHeader.setTextColor(Color.parseColor(plugin_color));
        }
        // add lines in order
        for (Line greyLine : greyLines) {
            lines.add(greyLine);
        }
        for (Line blueLine : blueLines) {
            lines.add(blueLine);
        }
    }
    Axis axisX = new Axis();
    Axis axisY = new Axis().setHasLines(true);
    axisX.setName("Raw Value");
    axisY.setName("Glucose " + (doMgdl ? "mg/dl" : "mmol/l"));
    data = new LineChartData(lines);
    data.setAxisXBottom(axisX);
    data.setAxisYLeft(axisY);
    chart.setLineChartData(data);
}

Example 9 with Axis

use of lecho.lib.hellocharts.model.Axis in project xDrip-plus by jamorham.

the class BgGraphBuilder method xAxis.

public Axis xAxis() {
    // final boolean is24 = DateFormat.is24HourFormat(context);
    Axis xAxis = new Axis();
    xAxis.setAutoGenerated(false);
    List<AxisValue> xAxisValues = new ArrayList<AxisValue>();
    GregorianCalendar now = new GregorianCalendar();
    GregorianCalendar today = new GregorianCalendar(now.get(Calendar.YEAR), now.get(Calendar.MONTH), now.get(Calendar.DAY_OF_MONTH));
    SimpleDateFormat timeFormat = new SimpleDateFormat(is24 ? "HH" : "h a");
    timeFormat.setTimeZone(TimeZone.getDefault());
    double start_hour = today.getTime().getTime();
    double timeNow = new Date().getTime();
    for (int l = 0; l <= 24; l++) {
        if ((start_hour + (60000 * 60 * (l))) < timeNow) {
            if ((start_hour + (60000 * 60 * (l + 1))) >= timeNow) {
                endHour = start_hour + (60000 * 60 * (l));
                l = 25;
            }
        }
    }
    // Display current time on the graph
    SimpleDateFormat longTimeFormat = new SimpleDateFormat(is24 ? "HH:mm" : "h:mm a");
    xAxisValues.add(new AxisValue(fuzz(timeNow), (longTimeFormat.format(timeNow)).toCharArray()));
    // Add whole hours to the axis (as long as they are more than 15 mins away from the current time)
    for (int l = 0; l <= 24; l++) {
        double timestamp = endHour - (60000 * 60 * l);
        if ((timestamp - timeNow < 0) && (timestamp > start_time)) {
            if (Math.abs(timestamp - timeNow) > (1000 * 60 * 8 * timespan)) {
                xAxisValues.add(new AxisValue(fuzz(timestamp), (timeFormat.format(timestamp)).toCharArray()));
            } else {
                xAxisValues.add(new AxisValue(fuzz(timestamp), "".toCharArray()));
            }
        }
    }
    xAxis.setValues(xAxisValues);
    xAxis.setTextSize(10);
    xAxis.setHasLines(true);
    return xAxis;
}

Example 10 with Axis

use of lecho.lib.hellocharts.model.Axis in project xDrip-plus by jamorham.

the class BgGraphBuilder method yAxis.

// ///////AXIS RELATED//////////////
public Axis yAxis() {
    Axis yAxis = new Axis();
    yAxis.setAutoGenerated(true);
    List<AxisValue> axisValues = new ArrayList<AxisValue>();
    yAxis.setValues(axisValues);
    yAxis.setHasLines(false);
    return yAxis;
}