Hi Bas, the first is a simple fix. Just bypass the 'FLIP' component that is right before the DIFF component.
that should fix it. On Jan 28, 12:38 pm, bas <[email protected]> wrote: > Hi Eric, > > I have the following strange result: the volume calc is not done at > lower water line heights but at higher draughts it takes the wrong > volume above the water line. See link to picture. > It seems I have a correct BREP as the directions are okay and there > are no naked edges. > I do not have time the coming days to look into this problem. > > UpperHullData.jpg:http://groups.google.com/group/grasshopper3d/web/UpperHullData.jpg > > Ideas for further development: > 1. an interactive 3D lines plan > 2. an interactive cross section area curve > 3. check on the in and outflow waterline angle > > At this moment I do not think that grasshopper is the tool to > calculate stability. I think: Develop a hull(s), then check the > hydrostatic data by grasshopper and than switch to Orca and than to a > stability package with intact-stability-regulation checks and damage > and probabilistic stability. So I think I will not use the heel and > trim option. (but maybe others will) > > Cheers, > Bas > > On Jan 27, 11:25 pm, postal256 <[email protected]> wrote: > > > Just finished some updates to the file. Added some functionality and > > changed several things. Cleaned it up and organized. > > > added Cp calculation. Changed the way it gathers LWL and BWL data. > > Added Trim rotation slider (already had Heel slider). and some other > > changes. > > > I took the waterline section and tried tried to take a BoundingBox of > > it to extract the LWL and BWL, but it was giving errors sometimes (I > > think because it was a 'flat' box). So I simply extruded it in the Z > > by 1 and got the bounding box from that. I believe data is all > > correct. > > > David, Why doesn't Grasshopper have curve BoundingBox? > > > I also changed the name to Hydrostatics Rev 8 > > >http://grasshopper3d.googlegroups.com/web/Hydrostatics%20Rev%208.ghx?... > > > Eric
