Clothoid [message #1367] |
Tue, 21 June 2016 13:13 |
iruldacunha
Messages: 6 Registered: June 2016
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Junior Member |
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Hello,
I'm an intern at Systra in railway engineering. I'm working on BIM technologies, such as railML, and we are making a study to use this format in the future, that's why I have so many questions to ask you.
Does someone have an example of a clothoid represented with its geometry? For example: <radiusChange radius="2000" pos="175,18"
superelevation="15" geometryElementDescription="TS_clothoide">
Indeed, I tried to write this example with the documentation, but I think its not sufficient to represent the infrastructure geometry of the clothoid.
Don't hesitate to share an example which works. Thank you very much.
Best regards,
--
Illan RUL-DA CUNHA
Stagiaire étude et développement
DTE DOP, pôle BIM
72-74 rue Henry Farman • 75015 Paris • France
www.systra.com
[Updated on: Sat, 11 February 2017 20:54] by Moderator Report message to a moderator
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Re: Clothoid [message #1371 is a reply to message #1367] |
Wed, 22 June 2016 13:32 |
christian.rahmig
Messages: 465 Registered: January 2016
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Senior Member |
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Dear Illan,
welcome to the railML infrastructure community!
Am 21.06.2016 um 13:35 schrieb Illan RUL-DA CUNHA:
> [...]
>
> Does someone have an example of a clothoid represented with
> its geometry? For example: <radiusChange radius="2000"
> pos="175,18"
> superelevation="15"
> geometryElementDescription="TS_clothoide">
> Indeed, I tried to write this example with the
> documentation, but I think its not sufficient to represent
> the infrastructure geometry of the clothoide.
>
> [...]
Indeed, the example you provided only states that you have a clothoid,
but not which specific type. Please use one of the other available
enumeration values:
* TS_cubicParabola
* TS_parabola4
* TS_WienerBogen
* TS_BlossBogen
* TS_Sinusoide
* TS_Cosinusoide
You can also define your own value (if correct one is missing) making
use of the any enumeration value.
To be clear: railML does not model the transition curve parameters.
Please look them up in a corresponding reference or try to include the
LandXML schema.
Best regards
Christian
--
Christian Rahmig
railML.infrastructure coordinator
Christian Rahmig – Infrastructure scheme coordinator
railML.org (Registry of Associations: VR 5750)
Altplauen 19h; 01187 Dresden; Germany www.railML.org
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Re: Clothoid [message #1385 is a reply to message #1371] |
Mon, 27 June 2016 09:54 |
iruldacunha
Messages: 6 Registered: June 2016
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Junior Member |
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Hello, Christian,
I think, but maybe I'm wrong, that a clothoid is already a specific type of curvature, like a sinusoide or a Wiener Bogen.
Where can I include the LandXML? In railML?
[Updated on: Mon, 27 June 2016 09:54] Report message to a moderator
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