Cloisons: Ajouter calcul de la pelle

Pour chaque seuil présent dans la cloison, ajouter le calcul de la pelle:

P = ZDV - ZRAM

Ajouter un avertissement si P < 0: "La pelle du seuil de l'ouvrage n°i devrait être positive"

changed milestone to %Version 4.8.1

By Dorchies David on 2019-11-29T09:19:09 (imported from GitLab)

added specification label

added To Do label

added Doing label and removed To Do label

closed via commit 34a929e7

By Mathias Chouet on 2019-12-02T10:57:07 (imported from GitLab)

mentioned in commit nghyd@eb705b03

By Mathias Chouet on 2019-12-02T10:57:31 (imported from GitLab)