Track the intersection of different patient flows

Question

question

Ksenia F asked Feb 05 2021 at 9:03 AM Yulia K commented Feb 24 2021 at 8:42 AM

Track the intersection of different patient flows

Hi!

There is a task to track the intersection of different patient flows. How can this be done? Perhaps using dashboards? Thanks.

Software Version:

FlexSim 21.0.1

healthcare flexsim 21.0.1

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Answer 1 · 2021-02-11T21:56:54Z

Jeanette F answered Feb 11 2021 at 9:56 PM Yulia K commented Feb 24 2021 at 8:42 AM

Hello @Ksenia F,

I took your model and implemented several things from this post and model.

The model uses an agent proximity system to detect when a planned patient comes within 2 meters of an emergency patient. I created a second label set so that patients that are planned (Emergency = 0) and emergency patients (Emergency = 1) can be distinguished from each other. The patients are added to the agent system at the beginning of their process flows. The rules specified in the proximity system are to ensure that only data is received from one of the patients in the case of an interaction of planned and emergency patients.

When an emergency patient enters the proximity of a planned patient a trigger is sent to a visual object that draws a disk at that interaction so you know where the patient is interacting in the model.

Here is the model for you to reference.

HC Agent proximity system statistics and heat map.fsm

1613079329929.png (36.9 KiB)

1613080570586.png (144.5 KiB)

hc-agent-proximity-system-statistics-and-heat-map.fsm (210.1 KiB)

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Ksenia F commented · Feb 14 2021 at 9:34 AM

Hello @Jeanette F !

Yes, this is exactly what I need. I am currently trying to port this method to another more complex model where 3 threads are involved. And I got this error: "time: 0.000000 exception: FlexScript exception: MODEL: / Tools / ProcessFlow / Плановые / Assign Labels> labels / 1/2

time: 0.000000 exception: FlexScript exception: MODEL: / Tools / ProcessFlow / Плановые / Custom Code> variables / codeNode ".

I don't understand how to remove it. I am attaching the model for better understanding. Thanks!

Agentmodel.fsm

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agentmodel.fsm (505.3 KiB)

Jason Lightfoot ♦♦ Ksenia F commented · Feb 14 2021 at 1:59 PM

When you assign the agent label you have a spelling mistake "ProxinitySystem" should be "ProximitySystem"

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Ksenia F Jason Lightfoot ♦♦ commented · Feb 15 2021 at 9:09 AM

@jason.lightfoot thank you!

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Ksenia F commented · Feb 15 2021 at 11:36 AM

Hello @Jeanette F!

I am having a problem trying to apply this method in a model with 3 patient streams. I think I followed the sequence exactly, but the statistical table is not populated and does not recognize intersections. What could be the mistake? I attach the model.

agentmodel.fsm

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agentmodel.fsm (576.4 KiB)

Jeanette F ♦♦ Ksenia F commented · Feb 16 2021 at 4:06 AM

Hello @Ksenia F,

I don't see where you assign the label Planned in your label sets or on the patients in the process flow. You can add them in a label set by going to People Settings in the Toolbox. This is the label you use in the Agent System to collect data from only planned patients who encounter emergency patients.

Also in the statistics collector Proximity Times you have to select what event will trigger what in the columns tab. The On Enter Proximity event will update the EnterTime. The On Exit Proximity Event will update the Exit Time and Duration.

agentmodel_v1.fsm

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Ksenia F Jeanette F ♦♦ commented · Feb 16 2021 at 8:28 AM

Thanks for the help @Jeanette F!.

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Yulia K commented · Feb 16 2021 at 11:59 AM

Hello @Jeanette F !
I opened a model which you implemented your idea. I noticed that a red circle appears next to the elevator (at about 08:11), although the intersection occurred elsewhere. Could it be a mistake when describing the "on draw" trigger? When I used your idea on my model, a similar nuisance arose (the intersection was fixed in a place where it could not be). Thank you in advance!

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1.jpg (59.5 KiB)

Jeanette F ♦♦ Yulia K commented · Feb 19 2021 at 6:43 PM

Hello @Yulia K and @Ksenia F,

This problem was occurring because when the patient is at a location their coordinates become relative to the objects location rather than to the model.

For example, here are the coordinates for the reception desk.

Here are the coordinates for the patient at the desk.

So the code in the visual tool Heat Map On Message Trigger needs to be altered. The line that sets the position needs to be.

Vec3 pos = fromObject.getLocation(0.5, 0.5, 0.0).project(fromObject.up, model());

Here is the updated model for you to reference.

HC Agent proximity system statistics and heat map.fsm

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1613760042166.png (113.0 KiB)

1613760102376.png (103.0 KiB)

hc-agent-proximity-system-statistics-and-heat-map.fsm (211.0 KiB)

Yulia K Jeanette F ♦♦ commented · Feb 24 2021 at 8:42 AM

Thank you. This solved my problem.

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Answer 2 · 2021-02-08T18:35:35Z

Cliff King answered Feb 08 2021 at 6:35 PM Ksenia F commented Feb 11 2021 at 8:54 AM

Would the heatmaps available with A* give you what you need? There are several options for how to display the color gradients and there are even ways to extract the data behind the color gradients if you like (search for heatmaps in Answers for how to do this).

1612809296870.png (35.7 KiB)

1612809326639.png (1.4 MiB)

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