openETCS / modeling

WP3 Top Level Project: to cover all tasks related with modeling
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TrainPosition_Types:Train_Properties #365

Closed BerndHekele closed 9 years ago

BerndHekele commented 9 years ago

Train Length is defined as "external" type L_TRAIN. Can we change to L_INTERNAL_T?

kr Bernd

BerndHekele commented 9 years ago

I have a second question to this type: what is the expected behaviour of the default inaccuracies, e.g., when passing to a new NID_C? Take national values or stick to general default?

UweSteinkeFromSiemens commented 9 years ago

NID_BG and NID_C make up the BG ID. Therefore, passing to a new NID_C is simply passing a different BG with probably different uncertainties. This does not have any impact on the national values as long as these values are not explicitely applied.

UweSteinkeFromSiemens commented 9 years ago

I'm not aware where L_TRAIN is used within the models. In principle, there is no restriction to train length measurement in L_INTERNAL_T: But then, the variable must not be named l_train or L_TRAIN. In addition, it requires an architecure component responsible for conversions between L_TRAIN and L_INTERNAL_T. And the commitment, that "Train Length" originates from L_TRAIN by conversion only. These complications did not seem worth to deviate from L_TRAIN, which is clearly defined in Subset 026-7.

BerndHekele commented 9 years ago

Conclusion during workshop: we will use the length in the train data. We will clarify before changing this type on the additiona information related to min length and max length.

UweSteinkeFromSiemens commented 9 years ago

@BerndHekele : is this issue relevant any more? Please close this issue, if appropriate.