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BASEMENT
Basic Simulation Environment for computation of environmental flow and natural hazard simulation
Laboratory of Hydraulics, Hydrology and Glaciology (VAW)
ETH Zurich
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#1 2023-08-29 09:04:34

patrick
User
Registered: 2023-08-08
Posts: 3

QGIS Stringdef crash

Hi all,

I'm currently encountering a problem using the BaseMesh plugin in Qgis.

When extracting the String definition with the dedicated tool, QGIS stops responding and eventually crashes. There are only two stringdefs to be extracted in that model.

Does anyone know what could cause this problem?

EDIT: after multiple test and a lot of waiting, stringdef tool finally worked, BUT identifies not 25 nodes as assigned but 35'000. Geometry wise everything looks fine

Have a nice day,

Patrick

Last edited by patrick (2023-08-29 09:34:44)

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#2 2023-08-29 09:52:31

Matteo Facchini
Developer
From: Trento
Registered: 2014-09-05
Posts: 281

Re: QGIS Stringdef crash

You might have a problem on the stringdef, 35'000 nodes are a lot.
Have you visualized the triangles of your mesh? Most likely, you have a spider web on the stringdef...

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#3 2023-08-29 10:01:57

patrick
User
Registered: 2023-08-08
Posts: 3

Re: QGIS Stringdef crash

Matteo Facchini wrote:

You might have a problem on the stringdef, 35'000 nodes are a lot.
Have you visualized the triangles of your mesh? Most likely, you have a spider web on the stringdef...

No there isn't. I tried again with reducing the ncell to 15, still obtain the same result. On the mesh there are only 15 nodes on the stringdef.
35'000 is more or less the number of nodes of the entire mesh.

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#4 2023-08-31 14:46:01

Matteo Facchini
Developer
From: Trento
Registered: 2014-09-05
Posts: 281

Re: QGIS Stringdef crash

Just to be sure: have you tried without the ncell?

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