Experimental Physics and
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i am new to EDM and i am trying to create an array from different scalar (integer) PVs. So that i can display all of them on one X-Y Graph. Only the last reading is neccessary and the resulting X-Y Graph should look like a "historgram" or sound equalizer (for a visual understanding of what i am trying to accomplish). Possibly the result would look something like LOC\\my_array:{EPICS\\A_PV, EPICS\\B_PV, EPICS\\C_PV ...} The number of scalar PVs can be up to 200 and is constant. I am not sure if it is possible and if someone has already tried this i would appreciate some help. If this is not possible only within EDM, then maybe the way to go is to to use some scripts. I have used the example for edmFilters with python to change the template edl. But in that example the write to stdout of the script is used by the Embedded Window Widget to display new/changed screen. I don't know how to pass the local PVs (LOC) to the python script and back to EDM. Another option could be to create a new widget, for this task. I still need to investigate this one, but would not like to reinvent the wheel in case someone here knows of an existing widget for this kind of operation. If anyone has another idea or if i am missing something please point me to the right direction. Thanks in advance for answers. Best Regards, Jovan
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ANJ, 02 Sep 2010 |
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