SUBGROUP and surfaces Home › Forums › Problems and solutions in GDL › 3D modelling › SUBGROUP and surfaces Search for: This topic has 5 replies, 3 voices, and was last updated 5 years, 6 months ago by Péter Baksa. Viewing 5 reply threads Author Posts June 26, 2019 at 10:16 #4803 James MurrayParticipant How do we use SUBGROUP in such a way that the new surfaces on the target shapes keep their surface attributes? They seem to want to take on the surface of the operator. James M June 27, 2019 at 02:25 #4804 Lingwisyer GCParticipant You could use SUBGROUP{2} and set the cut surface there to be the same as your target. Ling. AC18-23 AUS 4006 Self-taught, bend it till it breaks. Win7 | E5620 x 2 | 24GB | K2200 June 27, 2019 at 03:15 #4805 Lingwisyer GCParticipant n = REQUEST{2} (“Building_Material_info”, name_or_index, param_name, value_or_values) AC18-23 AUS 4006 Self-taught, bend it till it breaks. Win7 | E5620 x 2 | 24GB | K2200 June 27, 2019 at 19:18 #4806 James MurrayParticipant I could use SUBGROUP and just set the MATERIAL of the operator beforehand, too. The issue is that there are multiple target shapes of different surfaces which I want to maintain. James M June 28, 2019 at 02:43 #4807 Lingwisyer GCParticipant How do you set multiple targets and operators? AC18-23 AUS 4006 Self-taught, bend it till it breaks. Win7 | E5620 x 2 | 24GB | K2200 July 1, 2019 at 16:23 #4812 Péter BaksaKeymaster You need to write multiple subgroups for each target material. When the status of SUBGROUP{3} is 0, the new cut surfaces will use the last MATERIAL, not the target. Péter Baksa Library Platform, Software Engineer GRAPHISOFT SE Author Posts Viewing 5 reply threads The forum ‘3D modelling’ is closed to new topics and replies.