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Questions tagged [vline]

vLine provides globally-distributed cloud infrastructure and a rich JavaScript framework for WebRTC apps.

vLine provides globally-distributed cloud infrastructure and a rich JavaScript framework for WebRTC apps.

63 questions
14
votes
1 answer

Add text next to vertical line in matplotlib

Here is my code: import matplotlib.pyplot as plt import matplotlib.dates as mdates import datetime import numpy as np fig, ax = plt.subplots(1,1) sample_dates = np.array([datetime.datetime(2000,1,1), datetime.datetime(2001,1,1)]) sample_dates =…
user1700890
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6
votes
1 answer

How to add legend to geom_vline in facet histograms?

I plotted 3 histograms using facet view and added vlines for mean and median. I would like to add a legend to indicate which vline refers to which statistic. ggplot(x, aes(x=earnw)) + geom_histogram(binwidth=100, colour="black", fill="white") …
trzeciak.p
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6
votes
3 answers

Dummy video device - v4l2loopback - webRTC

I need to play multiple video for test a video server. I'm using lubuntu 14.04 and have installed V4l2loopback to make the device file ( /dev/videoN ) I am using mplayer to play video from this device as described mplayer cam I have done the modify…
Al3
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2
votes
2 answers

Display position of a y-maximum using ggplot

I used ggplot to create a plot: pl <- ggplot(df, aes(x=xval, y=as.numeric(BS))) + geom_point(shape=21) + xlab("Threshold") + ylab("BS") + geom_vline(xintercept=df$xval[as.numeric(df$BS) == max(as.numeric(df$BS))],color='red') + …
s28
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2
votes
3 answers

dash from the point to x and y axes in matplotlib

as you can see, I want to make the dash connect to the x and y axes. There is always a small gap. I use matplotlib the vline function, and I don't know how to use the transform parameters.
李松涛
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2
votes
1 answer

ggplot vertical line with date axis R

I'm having problems ploting vertical lines with ggplot in R. I want to draw a vertical line each Sunday on my time serie: VisitDate VisitMonth VisitYear City Weekday VisitWeek Code_CxF Centre Location 1 2014-05-02 05 …
Ana
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2
votes
0 answers

I sometimes get this USERID_NOT_FOUND ('User not known')

The error specifically looks like this. [140303 13:39:57.16] [vline.cometdTransport] USERID_NOT_FOUND ('User not known') vline.js:132 I get this error quite some times and have no clue what might have caused this. Have you had this problem? Do you…
gev
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2
votes
0 answers

Integrated vLine Video Chat in php application and receiver do not get any call

I have successfully tested the vline-node example locally but when i uploaded my code into server and my user is able to call the other person but at the other end user is unable to receive any call because there is no call to receive. i am using…
user3044345
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2
votes
3 answers

JavaScript return value: What does <> mean?

I am trying to use the API in this page. The definition is like this below: vline.Promise. getMessages([Number opt_limit]) I want to use the return value of this API, however I don't understand what the <> means. I have researched…
whitebear
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2
votes
1 answer

Audio or Video Priority Constraints in vLine (WebRTC)

As I am developing a video chat application based on the vLine API (fantastic so far), I deal with a lot of high latency and lower bandwidth connections. I know that a lot of this is abstracted to the browser doing the work behind the scenes, but I…
alistek
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2
votes
1 answer

Recording WebRTC video chat (on vLine)

I am using vLine as WebRTC chat service. I would like to record the chat window and put it on server. How can I do that? Generally speaking ,is it possible on WebRTC? I am using chrome v28. thank you very much
whitebear
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1
vote
0 answers

plotly - vline - how to make annotation appear only when hovering

I have a line chart using plotly on which I track events of interest by adding vline as markers representing the events. Annotation on the vline describes the events. When the lines are close enough, the annotations overlap with each other and…
Aadith Ramia
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1
vote
1 answer

Plots.vline! function is not recognized in new Plots version

Has Plots changed something about vline(!)? Today in the newly installed machine I tried: begin pyplot() Plots.plot([57,89]) Plots.vline!([1.25]) end and got the error quoted at the bottom. The new Plots is v"1.20.0" while on the…
Jen-Feng Hsu
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1
vote
1 answer

Adding Lines with Facet R

I made a graph and I want to be able to have lines to show the current day's value in the graph. Here is my code: dratio_main <- merge(rolling.dratio.10$Daily, rolling.dratio.21$Daily, rolling.dratio.63$Daily, rolling.dratio.126$Daily,…
L.Zingg
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1
vote
0 answers

Vline - anyway to prevent connecting panel covering the browser?

I am using vline php for video chatting in my websites, the video call has no problem, but each time, when user1 call user2, after user2 answer the call, there would be a big gray screen in user1's browser with a center box saids "connecting user2".…
Pengzhi Zhou
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