reading in real time - intensive filters

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• AE 10.0.2.4, Win7, GUI rough, poor reading in real time

  QuickSpecs:

  2 x 6 core 2.4 GHz Xeon

  24 GB RAM

  10 k RPM Raptor main drive

  Disc SSD Swap / Scratch

  2 TB of storage

  Radeon 6950, drivers latest

  Win7 Ultimate 64

  AE 10.0.2.4

  Problems: The GUI is choppy, reading in real time is about 19FPS.

  Processes use about 3% CPU, 15% RAM, not anywhere near the bandwidth available for hard disks, etc.

  Suggestions?

  (Also, the search function seems to be broken on this site, so no, I'm not looking.)

  Thanks in advance for your help.

  marklinder wrote:

  Hey people, would like to report that we now have the real-time playback with the play of the space bar.

  I'm glad to hear you have AE to work a bit faster for you, but I have to tell you: one day this overview of the space bar will get bogged down, and if your people make a habit of using it instead of a good overview of RAM (zero on the numeric keypad), they will complain.

  Simply AE is NOT designed to read anything in real time.  He was never to play stuff in real time; That's what editing systems are for.

  Soon, someone will animate a half dozen or several layers of HD video using motion blur in a 3D, with 3 or 4 lamps model, and all layers are configured to accept lights and shadows.  They will hit the space bar and when AE reads an image, a second or two, they'll come after YOU, demanding to know what gives.

  It is really wise to get the habit of using RAM previews.  Extremely wise.  It is just as wise to forget the habit of hitting the space bar.

  On a different note, you might want to reconsider your processor and memory allocations.  Or at least tell your AE users that they may have to adjust depending on the circumstances.  Your current configuration might be dandy for a single layer without applied effects, but it is not the most beautiful thing in the world, if you have several layers of 8000 x 6000 in a model with animated each layer effects.

• How can I draw the intensity in real time of a picture in time real (imaq 1394)?

  I have a firewire camera.

  I hooked up my camera to my pc with labview and now I display image in real time. How can I draw the intensity of a region dependent on time?
  Y - intensity
  X - time... I would watch the variaions real-time intensity...

  Thanks in advance

  The light meter example is pretty much what you want to do. It is located here:

  \National Instruments\\examples\Vision\2. Functions\Light Meter\Light meter Example.llb\Light meter Example.vi

  In the example, the x axis are the number of iteration, but it is easy to modify to use a graphic instead of a graph and chart the time instead.

  Hope that helps.

  Christophe

• AE 13.7 which is not yet present in preview in real time.

  Hi all

  I have the latest after effects CC2015 (13.7), but I still can't previews my comps in real time? It's to play in real time only when I jump 01 framework on the preview!

  I have the 5K. iMac with retina display core i7 with 16G of ram and GPU ATI. with OSX El Capitan.

  I just want to see the simple RAM Preview. As before the 0 button on the keypad. is this possible?

  Best,

  Ali.

  This is a bug with the works of the new architecture (introduced in 13.5) with El Capitan (if the bug is Apple's fault or Adobe is irrelevant - it is a very annoying bug if you do not know workaround). We have a number of discussions here about it. And he has been mentioned in the blog of Adobe After Effects in a few messages.

  As I alluded to earlier, there is a very simple solution.

  Anchor another Panel under your control panel mounting. Like this:

  

  Note how the render queue is anchored in the timeline panel.

  That's all.

  This will allow you to get cached previews who read in real time with the space bar so of numpad 0 found. If you prefer to keep your queue of rendering also, choose another Panel, you worry less.

  Alternatively, you can apply the update fixed a bug of beta-testing the 13.7.1 intended to fix this bug: help test the update of the fix after effects CC 2015 (13.7.1)

• After Effects not replaying in real-time. How it allows playback in real time on my Imac 5 k? It is not always current.

  So I just got AE on my Imac 5 k with any apps and for some reason, none of my video clips read in real time. I work mainly through Lynda.com files and the files that I use are read in as 14 fps out of 29 or more, sometimes less. How to solve this problem?

  There is a bug in works of the AE on El Capitan.

  There are workarounds. Either hide the playback during playback cursor (easily done by making the full screen of the composition Panel by pressing on the ' key [same key as ~ on U.S. English keyboards]), or by the docking station to another panel located under your Control Panel Assembly as follows:

  

  If you want a discussion involved on the issue, you can read this thread, Re: after effects 2015 will not get a preview in real time after update to El Capitan., but it is not terribly useful. Too many messages of frustration that diverts the useful substance. Basically, Adobe is aware of the problem, but it took them some time to identify what was causing it. They think they now have a good handle on it and they are hoping to get out the fix in the next update - whenever it is. Meanwhile, the previously mentioned workaround solutions you should get high and go.

• How to play video / real-time in adobe AE cc of 2015 project

  as my title says, how to play video or Project in time REAL in adobe AE cc 2015?

  Sorry for the bad English

  THX.

  Are aware of the way in which you preview works in After Effects? If not, go here: all about previews in after effects CC 2015

  And, if you're new to AE, you should start here: starting After Effects

  If you know how to get a glimpse, but he is not reading in real time, it could be due to a bug in El Capitan. However, I don't know if you use Mac or Windows. If you are using Mac OSX 11.11.x, there is a bug in El Capitan. You can work around this bug by hiding your timeline during a preview. The best way to do that is to maximize the composition Panel. I do it by pressing on the "key on my keyboard (which is called the serious button it is located on the same key as the ~ [tilde key])." The keyboard shortcut can be different for you, if you have another keyboard or a different language of After Effects installation.

  More information in the post of Todd here: Re: after effects 2015 will not get a preview in real time after El Capitan updated.

• How to read the text from a DOS window in real time?

  I call an executable file that downloads a file to flash memory.  This program displays status information in real time as the percentage of completion in one window BACK.   It also makes account of the CRC of the file as it downloads.  I am currently redirect the output of the DOS window in a text log file.  This works fine for obtaining of the CRC when the file is actually downloading but the operator loses the visibility of the State in the percentage of download.  Is there a way to read text information in a DOS window with my request of LabWindows/CVI real-time?

  Hi Brent,

  If redirect you the output from the first application in a log file, you would be able to read the contents of the file streaming to your second request, and whenever the content changes (such as the download value percentage), couldn't display you this information immediately with the second request in one window DOS or some other GUI?

  Luis

• How to read data from a worksheet to a chart in the form of wave at intervals to simulate real-time data

  Hi I have measured data using a SELF-DIAGNOSIS device and that you have downloaded the log files as a .csv I have attatched below.  I'm trying to read the 7th column of data (RPM) and display it on a waveform graph, read line-by-line to simulate driving real-time data. The interval between readings, I'm trying to achieve is 500 Ms because it is the time interval of readings on the worksheet. I'm finishing the two loops when rpm is equal to zero, as happens when the car is off. I have attatched the relevant section of my program below. Any suggestions would be greatly appreciated.

  Thank you

  Michael

  There are two errors in your block diagram.  First of all, as you read the entire table 2D in all at once (which is fine), you make a clumsy (pardon my language) job to make a line of programming.  Once you take the first line of headers, you have the ideal substrate for a loop, which is made of elements of an array (lines) process, one at a time, using its tunnel of indexation.

  The second mistake is to forget data flow.  The loop, I mentioned, or the While loop you use, produced one at a time and points it at 2 Hz thanks to your expectation of 500msec.  You want to give each point to your chart, but the picture is out of the loop, which means that there is No point until the loop ends.

  Here's an easy Question - where you put the indicators in table of waveform?  [Council - I said that "outside the loop is bad"].

  Bob Schor

• Read a signal scope works in execution to highlight, but not in real time

  I want to get the maximum value of a waveform to a former stretch of Agilent 54622 via GPIB.

  The problem is that I regularly receive a Visa Read error-1073807339 ("timeout expired before the operation is completed") when running in real time, but NEVER in execution to highlight mode.

  The posts here suggests that the calendar can cause the read to run before writing was able to finish. So, I used one - manually controlled while loop, sequence and blocks waiting for try and ultra Structure separated blocks of reading and writing of overlap between them. But it still does not work!

  Suggestions, please? (Thanks!)

  

  If you happen to open the VI I attached, you will see that I use a serial port. This is because I use a USB of Prologix-GPIB adapter to interface with the scope (I don't have an adapter USB of NOR-GPIB). I used successfully this Prologix adapter for over 2 years to connect perfectly with an amplifier to locking SR830 and several other devices, so I don't think that's the problem...

  What you need is the magic behind fairy!

• Leak memory in real time caused by VISA Read and timed loop of data nodes? Is not supposed.

  In collaboration with LV 8.2.1 in real time to develop applications that monitor or emulate computers on bus RS-422.   The following screenshots have been taken an application that monitors a transmission of 200 Hz.  After a few hours, the PXI station would break a range impressive messages angry... most involving something about memory loss.  After much hair pulling and passing money, my partner has discovered while looking at the available memory on the controller of loss of memory occurred at each loop containing a VISA read and propagation of error using the data nodes (see Leak.jpg of memory).  He concluded that if he went to the propagation of the error to the regular old shift registers, then the available memory was rock-solid.  (has the Leak.jpg of No memory)

  Any ideas of what could be the cause?  Do you see not any problem with the way that we code these kinds of loops?  We always strive to optimize the way in which we use the memory on our urgent requests and VISA readings and DAQmx bed give us the heartache more than ever, we are able to allocate memory for these screws some tips?

  Dan Marlow

  GDLS

  Hi thisisnotadream,

  This problem has been reported, and you seem to be exactly reproduce the conditions required to see this problem. This was reported to R & D (# 134314) for further investigations. There are several possible solutions, of which one is the one you have already found the wiring error directly in the loop. Other situations which give rise to no memory leak are:

  1 if the bytes of the property node port is not there and has read lies in each iteration and time-outs resulting are ignored.

  2. If the structure of the deal is gone and just blindly check the bytes to the port and read each iteration.

  3. If the timed loop is transformed into a while loop.

  Thanks for the comments!

  Kind regards

  Stephen S.

• CTI / read head plays is not in real time

  Whan, I'll see my animated film that I drag the CTI that my animation jumps rather than smooth running so I can see the animation.  It's like if I don't see a step at a time, including at - it a setting I need to change.

  Really, you must generate a RAM Preview to see your reading of the animation in real time.

  It is unlikely that you will see the results in real time by rubbing the CTI, unless you have an extremely powerful computer and a very simple and minimal project.

  Even in this case, it is probably still unlikely.

  Alternatively, you can set the mode of previw to Adaptive Resolution to help scrub perceived, but the resolution of the model will reduce the CPU trying to catch the movement through the timeline.

• Continuous data acquisition and real-time analysis

  

  Hi all

  It is a VI for the continuous acquisition of an ECG signal. As far as I understand that the analog read DAQmx VI must be placed inside a while loop so it can acquire the data permanently, I need perform filtering and analysis of the wave in real time. How I implemented the block schema means that data stays int the while loop, and AFAIK the data will be transferred on through the tunnels of data once the loop ends the execution, it clearly isn't real-time data processing.

  The only way I can think to fixing this problem is by placing another loop that covers the screw scene filtering and using some sort of registeing shift to transmit the data in the second while loop. My question is whether or not it would introduce some sort of delay, and weather or not it would be supposed to be the treatment in real time. Wouldn't be better to place all the screws (aquicition and filtering) inside a while loop? or it is a bad programming practice. Other features I need to do is back up the data I na file, but only when the user wants to do.

  Any advice would be appreciated.

  You have two options:

  • A. as you said, you can place the code inside your current while loop to perform the treatment.  If you're smart, you won't need to put one another while loop inside your existing (nested loops).  But it totally depends on the type of treatment that you do.
  • B. create a second parallel loop to perform the treatment.  This would be separate processes to ensure that the treatment is not obstacle to your purchase.  For more information, see here .

  Your choice really depends on the transformation that you plan to perform.  If it's much the processor, this could introduce delays as you said.

  I would recommend that you start at any place in the first loop and see if your DAQ buffer overruns (you can monitor the rear of the buffer during operation).  If so, you should decouple the process in separate loops.

  In what concerns or not ' it would be considered as real time processing ' is a trick question.  Most of the people on these forums say that your system is NEVER in real time because you're using a desktop PC to perform processing (note: I guess it's the code that runs on a laptop or desktop?).  It is not a deterministic systemand your data is already "old" by the time wherever he leaves your DAQ buffer.  But the answer to your question really depends on how you define "real time processing".  Many lay it will set as the treatment of 'live' data... but what is "actual data"?

• iPhone download videos in real time with the company data?

  How to set up my iPhone 5 to download videos in real time on my iCloud account using the data of the company (and WiFi, too)?

  Alexander.Carpenter wrote:

  How to set up my iPhone 5 to download videos in real time on my iCloud account using the data of the company (and WiFi, too)?

  iCloud photo library - Apple Support only works when the two is connected to wifi, no cellular data.

  Read here's how it works.

• Real-time System Manager

  Hello world

  How can I open real-time System Manager to monitor on my project of myRIO resourses?

  I've already activated the VI server on the target.

  If I select Tools-> real-time Module I find only "Project Wizard", "set up Time-triggered network" and "viewer of Trace".

  Thank you in advance,

  Lorenzo

  The "Distributed System Manager" is an application/executable separated - you can find it, if installed, on the start menu under the folder "National Instruments". If it is not there, then you probably have installed as part of your installation - raise your LV Installer and choose to install.

  Alternatively, you can use the System Configuration API to read the various parameters (e.g. CPU / memory) on the target itself to monitoring the health of the system.

• For a sequence in real-time output variable

  VS 2011, I have a sequence of real-time voltage step that sets an AO for a voltage given for awhile, and then resets the output to 0.

  Just before setting the output to 0, I want to read the response of my this stimulus of an AI System I call StepResponse. To do this, I place this in FinalValue I set as a Variable in my script. In other words, it is a parameter or a local Variable.

  Now, how can I get this out FinalValue? I don't see anything on how to "test" this variable to one of my user variable... I was able to do with the stimulus inherited in VS2010 Editor. Now, I'm stumped.

  Here is the sequence:

  

  and this is the profile of stimulus and settings below. I can set the fine settings via the API of LV, or run the Publisher of the Stimulus. But I can't seem to get out this FinalValue...

  

  THX.

  L.

  The return for a sequence (in your case FinalValue) variable is returned to the caller once the sequence has been completed as a result of this sequence. In your example, the appellant is stimulus profile that you configured. In a profile of stimulus, two relevant things will come based on the return value of variable a sequence called:

  1. The return variable value will be get recorded in the file of test result ATML for stimulus profile
  
  
  2. You can configure an assessment of output for the call to test sequence make a basic on the return variable test to determine a pass/fail result. For a numeric variable to return such as FinalValue, you can do a check of numerical limits to test whether the value is in or out of the specified limits. For a Boolean return value, you can translate either directly in a pass/fail result, or you can reverse the logic as well as False implies Pass.

  In addition, the LabVIEW API has a function, you can call once the sequence finished to programmatically retrieve the return value.

  However, in your sequence after that you store the value StepResponse in the return variable, you reset to zero before the end of the sequence. If your sequence always returns zero. I think that you do not remove this line and let FinalValue what so that you will get the StepResponse back closure instead of zero value.