Emstat3 blue series - how to install pspython SDK module?

Hey, did you manage to fix the issue and if yes, how?

Hi Skioumou,

This question was also posted (and answered) here https://github.com/PalmSens/MethodSCRIPT_Examples/issues/2 .
Let me know if this answers your question as well.

Kind regards,
Hielke

Hello Hielke,

not actually. I am very new to this so I am a bit confused. I want to implement a python code to manipulate the EmStat4s to perform CV measurements. 

From the examples I found in https://github.com/PalmSens/MethodSCRIPT_Examples, the plot_cv.py example works fine in my system however, from my understanding, if I want to control the system's settings I need to modify the scripts/example_cv.mscr file. I haven't well understood if the .mscr files are the same as the PSMETHOD type files and I just have to write a new method script file and import to the already existing python file.

Please let me know if I am anywhere close to the write direction.

Cheers,

SK

Skioumou said:

I haven't well understood if the .mscr files are the same as the PSMETHOD type files and I just have to write a new method script file and import to the already existing python file.

The ".mscr" files simply contain the MethodSCRIPT protocol, as understood by the device. These, you can send directly to the device and it will perform the script. Which means you do indeed need to edit these to change the device behavior. On the other hand, ".psmethod" files are much higher level datafiles, as used by PSTrace. You will need our C# core libraries to control a device using this.

The examples at https://github.com/PalmSens/MethodSCRIPT_Examples are meant to be simple and lightweight, so they do not use the C# core libraries and do not support ".psmethod" files. However, you can use PSTrace to convert a ".psmethod" file into MethodSCRIPT. This is described here: https://www.palmsens.com/knowledgebase-article/methodscript-tips-tricks.

The C# SDK (Python) examples have access to much more functionality (mostly everything that can be found in PSTrace). The downside is that they can be more difficult to use in some cases and the source code of the library itself is not available.

Since this thread was originally about the EmStat3, I will note that the EmStat3 does not support MethodSCRIPT and only has the C# SDK available for Python. The above applies only to the EmStat4 and EmStat Pico.

Kind regards,
Hielke

Hello Hielke again,

first of all thanks for the quick responses, it's very helpful. What I did manage to do so far, is demonstrate the simple CV measurement (given in the examples) and modify the .mscr file by opening it in a notepad and come pasting there the MethodScript that I create, that is having different values etc. There are two further questions:

1. The PSTrace gives the user the ability to perform analysis on the peaks (manipulate baseline, identify peaks, integrate etc.). However, the the MethodSCRIPT communication protocol v1.3 I don't see any argument towards that direction.

2. I would like through my python code to be able to manipulate the different settings of the CV, through a custom made gui. Is that possible through the MethodSCRIPT ?

Cheers,

SK

Hello Hielke again,

first of all thanks for the quick responses, it's very helpful. What I did manage to do so far, is demonstrate the simple CV measurement (given in the examples) and modify the .mscr file by opening it in a notepad and come pasting there the MethodScript that I create, that is having different values etc. There are two further questions:

1. The PSTrace gives the user the ability to perform analysis on the peaks (manipulate baseline, identify peaks, integrate etc.). However, the the MethodSCRIPT communication protocol v1.3 I don't see any argument towards that direction.

2. I would like through my python code to be able to manipulate the different settings of the CV, through a custom made gui. Is that possible through the MethodSCRIPT ?

Cheers,

SK

Hi Skioumou,

1. MethodSCRIPT does not have built-in peak detection, but Python itself has excellent math tools, so I would recommend doing it in python. The C# SDK would have access to most peak analysis tools, although without the GUI.
2. MethodSCRIPT is just text, so you can easily make a standard script where you can substitute values in, using Python string formatting. Below is a simple example.
   

The following example will print a script that would output a single package with a code modifiable value, using f-string formatting:

value_in_millis = 12
script = f'''e
pck_start
pck_add {value_in_millis}m
pck_end
'''
print(script)

Kind regards,
Hielke

That should work just fine.

Thanks so much for helping!!

All the best

Skioumou