Experimental Physics and Industrial Control System
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Hi,
The compress record type will perform the desired task.
https://wiki-ext.aps.anl.gov/epics/index.php/RRM_3-14_Compression
You will want to set the ALG field to "Circular Buffer".
Example record:
record(compress, "currentArray"){
field(INP, "currentPV CP")
field(NSAM, "20")
field(ALG, "Circular Buffer")
}
Cheers,
Tim
On 3/10/15 1:05 AM, priya tiwari wrote:
Hello sir,
I am plotting a graph between current and
voltage.Here User set the current and read a corresponding
voltage from device upto 20 times.Here we are reading one
value of current and its corresponding voltage and transfer
this value into waveform record.Here I am taking two waveform
records one for current and another for voltage.The value is
stored on 0th index of waveform.In the next iteration change
the value of current and again send to waveform then again
value is putting on 0th index but I want to put on 1st index
then in next iteration ,put on 2nd index of waveform.How to
previous values stored in array?
2. Now the problem is occurring ,in case of plot always I
get one point and previous did not store. I want to store all
values and draw the graph from point 1 to 20.
How to solve this problem?please provide me solution
of this problem...
Thanks in advance...
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ANJ, 16 Dec 2015 |
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