@NonNull
private Axis xAxis() {
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));
final java.text.DateFormat timeFormat = hourFormat();
timeFormat.setTimeZone(TimeZone.getDefault());
double start_hour_block = today.getTime().getTime();
double timeNow = new Date().getTime();
for (int l = 0; l <= 24; l++) {
if ((start_hour_block + (60000 * 60 * (l))) < timeNow) {
if ((start_hour_block + (60000 * 60 * (l + 1))) >= timeNow) {
endHour = start_hour_block + (60000 * 60 * (l));
l = 25;
}
}
}
for (int l = 0; l <= 24; l++) {
double timestamp = (endHour - (60000 * 60 * l));
xAxisValues.add(
new AxisValue((long) (timestamp / FUZZER), (timeFormat.format(timestamp)).toCharArray()));
}
xAxis.setValues(xAxisValues);
xAxis.setHasLines(true);
xAxis.setLineColor(Color.parseColor("#555555"));
xAxis.setTextSize(axisTextSize);
return xAxis;
}
public Axis yAxis() {
Axis yAxis = new Axis();
yAxis.setAutoGenerated(false);
List<AxisValue> axisValues = new ArrayList<AxisValue>();
// for(int j = 1; j <= 12; j += 1) {
// if (doMgdl) {
// axisValues.add(new AxisValue(j * 50));
// } else {
// axisValues.add(new AxisValue(j*2));
// }
// }
axisValues.add(new AxisValue(240));
axisValues.add(new AxisValue((int) this.lowMark));
axisValues.add(new AxisValue((int) this.highMark));
yAxis.setValues(axisValues);
yAxis.setHasLines(true);
yAxis.setLineColor(Color.parseColor("#555555"));
yAxis.setMaxLabelChars(5);
yAxis.setInside(true);
yAxis.setTextSize(axisTextSize);
yAxis.setTextColor(Color.parseColor("#8D8D8D"));
yAxis.setHasTiltedLabels(true);
return yAxis;
}
private void updateChart(int total) {
int numSubcolumns = 60;
int numColumns = 1000;
List<float[]> flist = new ArrayList<>();
// if (!Constants.Queue_DrawRealtimewaterfall.isEmpty()) {
// flist = Constants.Queue_DrawRealtimewaterfall.poll();
if (!Constants.Queue_DrawRealtimeSpectrum.isEmpty()) {
flist = Constants.Queue_DrawRealtimeSpectrum.poll();
int realsize = Constants.Queue_DrawRealtimeSpectrum.size();
if (realsize >= 5) Constants.Queue_DrawRealtimeSpectrum.clear();
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
if (flist.size() != total) {
// 没收到整段就返回
return;
}
float[] ff1 = selectData(flist);
if (Xvalues.size() > 0) {
int size = Xvalues.size();
for (int i = 0; i < size; i++) {
values = new ArrayList<SubcolumnValue>();
values = Xvalues.get(i);
for (int j = numSubcolumns - 1; j > 0; j--) {
values.set(j, values.get(j - 1));
}
// int color=ChartUtils.pickColor();
int index = (int) ((ff1[i] + 150) / 8);
int color = 0;
if (index >= 20) {
color = colors[19];
} else if (index < 0) {
color = colors[0];
} else {
color = colors[(int) ((ff1[i] + 150) / 8)];
}
values.set(0, new SubcolumnValue(1, color));
Column column = new Column(values);
columns.add(column);
}
}
data = new ColumnChartData(columns);
data.setStacked(true);
data.setFillRatio(1);
Axis axisX = new Axis(Lvalues);
Axis axisY = Axis.generateAxisFromRange(0, 60, 2);
axisY.setLineColor(Color.GREEN);
axisX.setHasLines(false);
axisX.setHasSeparationLine(false);
axisY.setHasSeparationLine(false);
axisY.setHasLines(false);
axisX.setName("Axis X");
axisY.setName("Axis Y");
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setColumnChartData(data);
}
}
public Axis previewXAxis() {
List<AxisValue> previewXaxisValues = new ArrayList<AxisValue>();
final java.text.DateFormat timeFormat = hourFormat();
timeFormat.setTimeZone(TimeZone.getDefault());
for (int l = 0; l <= 24; l += hoursPreviewStep) {
double timestamp = (endHour - (60000 * 60 * l));
previewXaxisValues.add(
new AxisValue((long) (timestamp / FUZZER), (timeFormat.format(timestamp)).toCharArray()));
}
Axis previewXaxis = new Axis();
previewXaxis.setValues(previewXaxisValues);
previewXaxis.setHasLines(true);
previewXaxis.setTextSize(previewAxisTextSize);
previewXaxis.setLineColor(Color.parseColor("#555555"));
previewXaxis.setTextSize(axisTextSize);
return previewXaxis;
}
/** Generates columns with stacked subcolumns. */
private void generateStackedData(int start, int end) {
int numSubcolumns = 60;
int numColumns = 1000;
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
Lvalues = new ArrayList<>();
Xvalues = new ArrayList<List<SubcolumnValue>>();
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
if (i == 0) {
Lvalues.add(new AxisValue(i).setLabel(String.valueOf(start)));
} else if (i == numColumns - 30) {
Lvalues.add(new AxisValue(i).setLabel(String.valueOf(end)));
}
for (int j = 1; j <= numSubcolumns; ++j) {
values.add(new SubcolumnValue(1, Color.WHITE));
}
Column column = new Column(values);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
Xvalues.add(values);
}
data = new ColumnChartData(columns);
data.setStacked(true);
data.setFillRatio(1);
Axis axisX = new Axis(Lvalues);
axisX.setHasSeparationLine(false);
axisX.setHasLines(false);
Axis axisY = Axis.generateAxisFromRange(0, 60, 1);
axisY.setHasSeparationLine(false);
axisY.setHasLines(false);
axisY.setLineColor(Color.GREEN);
axisX.setName("Axis X");
axisY.setName("Axis Y");
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
chart.setColumnChartData(data);
}