question

Clair A avatar image
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Clair A asked Clair A commented

Patient takes an elevator to a floor with a negative Z

Hi,

Open the attached model Patient + Elevator v1.fsm.

The patient takes the elevator down to the floor spot:

gif6.gif

Open the attached model Patient + Elevator v2.fsm.

gif7.gif

The patient walks towards the elevator, but the elevator does not go up. The patient walks down to the elevator.

Here is the difference between these 2 models:

  • version 1: the floors are at z = 5m and z = 0m
  • version 2: the floors are at z = 0m and z = -5m

Should there be a fix ?

Or is it forbidden to use elevators with floors at negative Z locations ?

In the properties of an A* grid, typing a negative value in the Z position field is not allowed, the value is set back to 0:

gif8.gif

However, if you set the 3D view Grid Z field at a negative value you can actually create an A* grid at a negative Z location:

gif9.gif

So having an A* grid at a negative Z seems like "half forbidden / half allowed".

@Matthew Gillespie

FlexSim 22.0.3
elevatormultifloor
gif6.gif (359.5 KiB)
gif7.gif (150.9 KiB)
gif8.gif (12.8 KiB)
gif9.gif (75.5 KiB)
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1 Answer

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Matthew Gillespie avatar image
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Matthew Gillespie answered Clair A commented

There seem to be some assumptions in the code that A* grids would never be at a negative Z height. I'll add this to the dev list to discuss allowing negative z heights. For now though, I would stick to positive Z heights for the grids.

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Clair A avatar image Clair A commented ·

Thanks Matthew for the new update in 23.0:

Allowed A* grids Z height to be negative.

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