Programmatically determine step count with nested sequences

I have a program that uses the count of steps in a sequence to determine progress. I currently use a sequence pointer to call GetNumSteps for each group. What would be the best way to expand this to handle subsequences? In other words, if I have a top level sequence with 5 main steps, 0 setup and 0 cleanup but one of the steps is a sequence call and that sequence has 10 main steps, 0 setup and 0 cleanup steps, I want the count to be 15 and not 5. Thanks.
-G-
-G-

Steve is correct, you would have to set this up using recursion where you count steps and also go into sequence calls to count their steps as well. There is no native way to do this in TestStand, you would have to program this with your language of choice and call that recursive function.
Brandon Vasquez
Applications Engineer
National Instruments
Brandon Vasquez | Software Engineer | Integration Services | National Instruments

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How to run SequenceFilePostStepFailure model callback after step failing with nested sequence calls

Hi,
I would like to pop up a message box immediately on any test failures. I had thought I could use the SequenceFilePostStepFailure model callback to achieve this,but when I modify the process model callback to achieve this, I've found that the callback code is executed only for step failures of the top level sequence file.
My test code has mutiple sequence files being called before getting down to the granularity of the basic numeric limit test that will pass or fail, so I'd like to execute the SequenceFilePostStepFailure callback immediately at that level. I can achieve this by adding a SequenceFilePostStepFailure callback override in the sequence file in question, but I'd prefer to use the default model callback implementation so I don't have to find all the places where numeric limit tests are executed and cause the DUT to pass/fail.
I've attached some example sequences that I hope illustrate the problem.
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Solved!
Go to Solution.
Attachments:
TestCode.zip ‏55 KB

My fault, I see now that the model callback I should have modified is the ProcessModelPostStepFailure. Problem solved.

Count(*) with nested query

Hi,
I have a question about the count(*) with nested query.
I have a table T1 with these columns:
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SQL> ed
Wrote file afiedt.buf
1 select count(*)
2 from (select empno, sal, mgr, deptno
3 from emp
4* group by deptno)
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... but if you include one of the other columns, even if you group by that column...
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Wrote file afiedt.buf
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Programmatically determine steps referenced in an expression

Is there an elegant way to programmatically determine any steps that are reference in an expression using API.
Such that
AllOf(RunState.Sequence.Main["ID#:AzvyVD4OcUiZz2vk3ZHknA"].Result.Status == "Passed", RunState.Sequence.Main["ID#:0RT7Ih2QQkimHpGGh30sIA"].Result.Status == "Passed") Would return ID#:AzvyVD4OcUiZz2vk3ZHknA and ID#:0RT7Ih2QQkimHpGGh30sIA in an array of strings or something along those lines.
Herrlin
Just trying to spread the LabVIEW love.

John B
Thanks for the reply.
I actually did implement a similar solution to what you described. I originally didn’t share the entire scope of what I was trying to accomplish. I wanted an entry point that would run selected steps and actively look for any steps referenced in the preconditions of the selected steps. If a step was reference the entry point would know that it also had to run this step. This will be a useful tool for debugging, since it will record results as well as run steps that the selected test is dependent on, in a sense.
My team made a decision that we would only be using unique ids to reference steps in expressions felt this was a better programming practice. Also we only needed this function for the MainSequence of a sequence file. In addition we always wanted Setup and Cleanup groups to remain the same. So we only needed to search each precondition for the unique step id of steps that where in the Main group of the MainSequence.
I have attached the new sequence file I made with a Custom entry point. The entry point is almost an exact copy of the single pass entry point with a couple of modifications.
1 It calls Configure Temp Sequence
2 It references a temp sequence file what during the MainSequence Callback instead of the Client file
3 In the Cleanup it closes the reference to the temp sequence.
Also there are two new sequences:
Configure Temp Sequence
Get Steps to Exe
Any way just thought you might be interested and this was no easy task for me so I was excited to share.
Thanks
Dan H
Herrlin
Just trying to spread the LabVIEW love.
Attachments:
ModSequentialModel.seq ‏42 KB

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I have just finished the rough-cut of a ceremony when I went back to add effects-- slow motion, color correct, etc. only to find that ANY time-change is jittery-- extremely jittery, like it's skipping frames.
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Hi Wil,
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I'm working with a 1 hour, 20 minute multi-cam (2 cameras) Sequence of a concert, with many edits. One of the music pieces was complicated, so I separated it out into a separate Sequence, and did the editing. Later, my occasional fcp tutor created a new nested Sequence, into which he transferred the separated piece. The nested Sequence is exactly the same length as the original Sequence.
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But then later, after my tutor has gone, I realize that I don't understand nested Sequences. When I double click on the nested Sequence in the timeline, I'm taken back to the whole concert Sequence in the timeline, out of which the nested Sequence was created. So, Question #1: I can't adjust the audio in a nested Sequence? Question #2: Now, I realize I need chapter markers and I create them in the original whole Sequence, but too bad, they don't appear in the nested Sequence (which has the color correction that I want). How can I transfer my newly created chapter markers in the nested Sequence so that I can now re-export it with the chapter markers?
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1. Duplicate the 'whole' sequence (The one with the chapter markers)
Give the duplicate an obvious name. Like "FinaL WITH CHAPTER MARKERS".
2. Delete all clips in this duplicate sequence. (Command-A, then Backspace)
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3. Go to the nested sequence. Copy Everything (Command A, then Command C)
4. Go to the (now empty) Duplicate sequence. Paste (Command V)
Rienk

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Mom always said I had a wild imagination.
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Trouble with nesting sequences

Hello.
The "transparent" elements of my sequences are not preserved when I bring them into another sequence/timeline and apply an effect or motion to it. Is this typical? They appear to be fine, at first, but when they are rendered or exported, the nested sequence has a black background instead of a transparent one. I'm working targa files with transparent elements, which work just fine in their source sequence.
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This is not my experience.
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Paul

If your audio is mixed down it's likely playing the mixdown back in the rendered sequence. Is that what is happening? However I've not tried it to see if it's a bug. I don't nest audio tracks myself.
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Do video changes also not show up?
Jerry
Message was edited by: Jerry Hofmann

No Audio in Master Sequence with nested sequences

I have tried searching for a solution but cant find anything the same as this.
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A

Not muted. All plays well in Source Monitor but dragging from Source to Timeline only brings video. Same for dragging from Project to Timeline.
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Hey all,
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As to issue 1, I've taken each offending clip, extending the audio track one or two frames in the beginning of each clip, and then use those frames to ramp the volume up from silent to 0db. This seems to avoid the brief moment of distortion at the beginning. Notably I did try your suggestion by going back to the original, source audio, but I was still getting the same issue. My work-around is the only solution I've been able to come up with.

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Programmatically determine step count with nested sequences

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