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Questions tagged [measurement]

499 questions
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Best practice for filtering measurements with user-defined attributes

As you know, Cumulocity does not support filtering measurements with user-defined attributes. By the way it is a must for us; Daily we send more than 100,000 measurements to the cloud and we need to filter them. So, I wanted to know what is the…
Parda
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Using Years unit interval in Swift Foundation Measurements framework

how can I display date iterval in years (or years + months) using Foundation’s Measurements()? I’ve made it to display interval but biggest unit I’ve found it hours … and it is not valid for me (display with beautiful localisation 87600 hours for…
Paweł Madej
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The ip addresses of all eBGP routers on the Internet

I need to measure the latency from a specific location of the Internet to all of the other ISPs on the Internet. My plan is to measure the ping delay from a server to all of eBGP routers on the Internet. The problem I do not know what is the Ip…
Shahrooz Pooryousef
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Extended Kalman Filter (EKF) singularity problem when I get measurement noise is zero

My extended kalman filter (EKF) program works well: my estimated state vector is same as real state vector when I give any positive definite number to measurement noise R, even though I gives 10^ -14 to R. But I want to make covariance analysis,…
furkan
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Disable/enable ARKit during runtime in Unity3d - C#

Iam working with Unity3d, using C# and the ARKit plugin (2.0 from Github) In my current application iam using the ARKit for measuring distances. The tool iam creating needs this functionality only for this reason, so i was wondering how i could…
IDK
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Serial Measurement Data RS232 interpretation

I am trying to get readings from an ultrasonic thickness tester without using the included software, but I haven't been able to interpret the measurement readings from the tester. Below are the hex values that are sent from the tester, and the…
Roxa8
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hive - Top N with multiple measurements in one query?

The sample table value measurement1 measurement2 -------|-------------|----------- value1 1 **2** value2 **3** **3** value3 **2** 1 Then find top 2 highest value, I want to get the output below: top 2…
Wayne
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Perl save measurement results

i have a text file in which measurements are stored which looks like this: sometext Step 1: tphlay = 1.5e-9 tplhay = 4.8e-9 tphlby = 1.01e-8 tplhby = 2.4e-10 Step 2: tphlay = 2.5e-9 tplhay = 1.8e-9 tphlby = 6.01e-8 tplhby =…
Christopher Bengel
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Mobile network performance on the background

All I want to do is monitor on the background network performance when I use an application, like watching a Youtube Video (e.g. downlink throughput, latency a.s.o). I am aware of Android Apps like mobiPerf, which are great, but only provide results…
K.Sot
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Ruler Tool in C#

I need to make a tool that allows to, Measure screen distances by using a ruler. I currently have no code for either of these tools, any code for measuring distances and angles would be much appreicated. Thanks in Advance
Chris Bacon
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Animation of View in onCreate() method

I want to animate TextView when activity has been launched, in onCreate() method. However, when I try to get view's height or width it's always 0. In my case it's important to know view's height or width because I want to set the translation for Y…
nullbyte
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S.M.T.H. - height measurement (Android)

A while back a funny app called Send Me To Heaven were all over the news etc. It's objective is to throw your phone as high as possible and catch it, the app measures the thrown height. My question is how that might be coded in android? I presume…
ueen
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Android how to wait for coordinates calculation completed?

I have an Android application that create all the layout programmatically in the onCreate method, after that I need to do some calculation on the coordinates of some of the views I created, but when I try to get coordinates on screen, it always…
Celeste Capece
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GPS CHC Landstar DB file format

I've question about units in fields Db_GpsPt_dX,Db_GpsPt_dY from table Table_GpsPtArray_Point_Array located in every *.db (sqllite format) file maintained by Landstar application for GPS-RTK measurement. Unfortunatelly (CHC) Producer's support…
skyraster
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how to send a flag each X minutes?

I am working in a kind of "control block" that has to send a flag each 6 minutes. The thing is that I don't know if there is a simple way of doing this. I have had though in use clock_t inside a loop till it reaches the 6 minutes, and then call a…
xuandl
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