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Bridges #6

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kusala9 opened this issue Feb 10, 2021 · 3 comments
Open

Bridges #6

kusala9 opened this issue Feb 10, 2021 · 3 comments
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@kusala9
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kusala9 commented Feb 10, 2021

A placeholder issue for discussion on the automation of Bridge conversion between S-57 and S-101. Bridges are a potentially complex case as they combine some complicated feature transformations, attribution and association features.

This issue could usefully be progressed by looking at the features involved in current S-57 bridges, the modelling in the existing S-101 feature catalogue and also differences in geometry and attribution for the S-101 case.

@tdepuyt
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tdepuyt commented Feb 12, 2021

The image is from slide 4 on the attached PowerPoint pdf and identifies a particular scenario along with the supporting report on the converter from S-100WG1/S-101PT01 meeting. Unfortunately US5NJ14M no longer exists publicly due to NOAA's rescheming and the bridge construction since then has changed the underlaying conditions but this scenario still holds true for our conversion process. The data from our testing is also attached.
US5NJ14M.zip

image

S101PT01-5.1 S-57 to S-101 Converter Update.pdf
S101PT~1.PDF

@kusala9
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kusala9 commented Feb 18, 2021

Use multiple C_AGGR for each bridge? I guess the issue here is that S-101 bridges can share features (pylons) but each bridge aggregation should really relate to a single "bridge"? this is the kind of use case we need to look at. The other issue, I guess is also propagating attributes correctly - i.e ensuring the bridge aggregation has the correct attributes from the S-57 features.

@kusala9 kusala9 self-assigned this Feb 18, 2021
@Christian-Shom
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Christian-Shom commented Feb 17, 2022

I add a presentation that Friedhelm will make during the meeting on Monday 21 Feb.
S-101Bridges_ul.pdf
image

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