def addData(self, msg):
# TODO what to do for things that can't be numerically expressed? just ascii strings, i guess?
for line in self.lines:
newDataPoint = Messaging.getFloat(msg, line.fieldInfo,
line.fieldSubindex)
try:
newTime = float(msg.hdr.GetTime() / 1000.0)
if newTime != 0:
self.useHeaderTime = 1
if not self.useHeaderTime:
newTime = elapsedSeconds()
except AttributeError:
# if header has no time, fallback to PC time.
newTime = elapsedSeconds()
# add data in the array until MAX_LENGTH is reached, then drop data off start of array
# such that plot appears to scroll. The array size is limited to MAX_LENGTH.
if len(line.dataArray) >= MsgPlot.MAX_LENGTH:
line.dataArray[:-1] = line.dataArray[
1:] # shift data in the array one sample left
line.dataArray[-1] = newDataPoint
line.timeArray[:-1] = line.timeArray[
1:] # shift data in the array one sample left
line.timeArray[-1] = newTime
else:
line.dataArray.append(newDataPoint)
line.timeArray.append(newTime)
if not self.pause:
line.curve.setData(line.timeArray, line.dataArray)
line.curve.setPos(line.ptr1, 0)
def addData(self, msg):
# TODO what to do for things that can't be numerically expressed? just ascii strings, i guess?
for line in self.lines:
try:
newDataPoint = Messaging.getFloat(msg, line.fieldInfo,
line.fieldSubindex)
except ValueError:
print("ERROR! Plot of %s.%s cannot accept value %s" %
(self.msgClass.MsgName(), line.fieldInfo.name,
Messaging.get(msg, line.fieldInfo, line.fieldSubindex)))
continue
try:
timestamp = msg.hdr.GetTime()
if Messaging.findFieldInfo(msg.hdr.fields,
"Time").units == "ms":
timestamp = timestamp / 1000.0
newTime = float(elapsedSeconds(timestamp))
if newTime != 0:
self.useHeaderTime = 1
if not self.useHeaderTime:
newTime = elapsedSeconds(datetime.now().timestamp())
except AttributeError:
# if header has no time, fallback to PC time.
newTime = elapsedSeconds(datetime.now().timestamp())
# add data in the array until MAX_LENGTH is reached, then drop data off start of array
# such that plot appears to scroll. The array size is limited to MAX_LENGTH.
if len(line.dataArray) >= MsgPlot.MAX_LENGTH:
line.dataArray[:-1] = line.dataArray[
1:] # shift data in the array one sample left
line.dataArray[-1] = newDataPoint
line.timeArray[:-1] = line.timeArray[
1:] # shift data in the array one sample left
line.timeArray[-1] = newTime
else:
line.dataArray.append(newDataPoint)
line.timeArray.append(newTime)
if not self.pause:
timeArray = line.timeArray
dataArray = line.dataArray
count = self.timeSlider.value()
if len(line.dataArray) > count:
timeArray = timeArray[-count:]
dataArray = dataArray[-count:]
line.curve.setData(timeArray, dataArray)
line.curve.setPos(line.ptr1, 0)
def addData(self, msg):
# TODO what to do for things that can't be numerically expressed? just ascii strings, i guess?
for line in self.lines:
try:
newDataPoint = Messaging.getFloat(msg, line.fieldInfo, line.fieldSubindex)
except ValueError:
print("ERROR! Plot of %s.%s cannot accept value %s" % (
self.msgClass.MsgName(),
line.fieldInfo.name,
Messaging.get(msg, line.fieldInfo, line.fieldSubindex)))
continue
try:
timestamp = msg.hdr.GetTime()
if Messaging.findFieldInfo(msg.hdr.fields, "Time").units == "ms":
timestamp = timestamp / 1000.0
newTime = float(elapsedSeconds(timestamp))
if newTime != 0:
self.useHeaderTime = 1
if not self.useHeaderTime:
newTime = elapsedSeconds(datetime.now().timestamp())
except AttributeError:
# if header has no time, fallback to PC time.
newTime = elapsedSeconds(datetime.now().timestamp())
# add data in the array until MAX_LENGTH is reached, then drop data off start of array
# such that plot appears to scroll. The array size is limited to MAX_LENGTH.
if len(line.dataArray) >= MsgPlot.MAX_LENGTH:
line.dataArray[:-1] = line.dataArray[1:] # shift data in the array one sample left
line.dataArray[-1] = newDataPoint
line.timeArray[:-1] = line.timeArray[1:] # shift data in the array one sample left
line.timeArray[-1] = newTime
else:
line.dataArray.append(newDataPoint)
line.timeArray.append(newTime)
if not self.pause:
self.refreshLine(line)