Recent Posts

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Regional Hazard Simulation (R2D, rWhale) / Re: Incomplete building information
« Last post by jyzhao on January 21, 2024, 05:36:42 AM »
The minimum building information depends on the types of analysis you would like to perform in the workflow. In general, the minimum building information is the geological location of the building and the information needed to carry out the structural model specified in the MOD panel and the damage and loss model in the DL panel. You could refer to the built-in R2D examples for what information is needed for typical R2D use cases.
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Thank you all for your interest in BRAILS. The latest version of BRAILS fully addresses this issue.

If you have any further questions or comments, please let me know.
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AI use in Regional Simulation (BRAILS) / Re: Where are the building images saved?
« Last post by bacetiner on January 17, 2024, 09:46:33 PM »
There has been a slight change in the way BRAILS stores building imagery. It now saves street-level and aerial imagery in your working directory in the tmp/images/street and tmp/images/satellite folders, respectively.

I hope this helps!
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Thank you for using the SimCenter Forum!

The issue with setting the random seed and number of buildings in the BRAILS widget was addressed in R2D version 4.0.0. This new version of the R2D is currently only available on GitHub, but the installation media should be out soon.

On another note, I am able to run this query using the BRAILS backend just okay. If you are familiar with Python programming, I may be able to help you get this inventory using the BRAILS backend. The backend has several additional options that, in some instances, allow for better inventory generation. For example, for your region, by changing the source of the footprints, I am able to get an inventory of 1695 buildings (instead of 119 buildings as obtained from OpenStreetMaps).

Please let me know how I can assist you better!

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Regional Hazard Simulation (R2D, rWhale) / earthquake hazard scenarios
« Last post by jvishnu on January 17, 2024, 07:52:13 PM »
What techniques are used to generate earthquake hazard scenarios?
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AI use in Regional Simulation (BRAILS) / Error in changing the number of #Images and seed
« Last post by M.R on January 17, 2024, 01:53:09 PM »
Hello, I have a problem with running the Brails.
when I want to run the Brails for more than 10 buildings this error is shown.
 (There was an error in the python process python module, the exit code is 1 ),  #Images and seed should remain just equal to 10. The code is attached in a txt file. The Version of R2D is 3.1.2
Thank you
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How is uncertainty considered in earthquake scenario simulation in R2D?
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Regional Hazard Simulation (R2D, rWhale) / Re: Incomplete building information
« Last post by jvishnu on January 16, 2024, 07:52:48 PM »
Thank you very much for your reply. It is very helpful. What is the minimum building information needed to use R2D?
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Regional Hazard Simulation (R2D, rWhale) / Re: Incomplete building information
« Last post by jyzhao on January 16, 2024, 06:40:51 PM »
Yes, it is possible to select MOD as None and use user-provided fragility.

However, the "IMasEDP" option, instead of "None", should be selected in ANA. Otherwise, R2D will not link the intensity measures to the provided fragility curves.

Regards,

Jinyan
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Regional Hazard Simulation (R2D, rWhale) / Re: Earthquake rupture forecast
« Last post by jyzhao on January 16, 2024, 06:36:29 PM »
Hello,

This is the maximum distance from the site "centroid" to the source.

Please note the site "centroid" is roughly estimated by taking the average value of the latitude and longitude values of all sites. It is not the geometry centroid of the sites.

Hope this helps.

Jinyan
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