Rhino - calculating the surface

Maciej · Jun 4, 2005

Hi,

I am quite fresh in Rhino but still learning.
How can I calculate surface area in Rhino ? eg. there are bulkheads in the hull and I would like to calculate surface in m2 for eg material estimation ?

thanks for help

maciek

CGN · Jun 4, 2005

Type on the command line "Area", then select the surfaces you want to know the area.
now, for weight of a bulkhead (as example) at least on V2 there is no way to set a density, so you need to use a calculator or spreadsheet to calculate weight.

Area (from Rhino) x Thickness x Density of material= Weight

or...

Area (from Rhino) x Wt per Sqr m of the material = Weight

or...

Convert the Area into a solid

Volume (From Rhino) x Density = Weight

Maciej · Jun 5, 2005

Thanks very much!
Also I wouldlike to make workshop drawings from Rhino. More or less I know how to make this.
When I make dimensions in Rhino digits are very small (invisible) if i scale it (bulkhead 2,2mx1.8m) eg. 1:20. Do you think it wil be better to export several elements to eg. Acad?

thanks
Maciej

CGN · Jun 5, 2005

I prefer to export the sections form rhino to any CAD program and add dimensions there, I find it easier and friendlier than rhino, but if you like to use Rhino for 2D and dimensioning then follow this to setup your dimensions:

Dimensions>Properties....in the new screen play with the scale. see attached image

Maciej · Jun 6, 2005

ThThank you, I very appreciate your help.

I will export to AutoCad. I made as dxf but there are some options. Which are most proper to save in Autocad?

Thank you once again.

Maciej

marshmat · Jun 6, 2005

Unless you're using really fancy specialized tools, all the AutoCAD formats work. Default DWG format is what I usually use; DXF is more for compatibility with third-party stuff in the newer autocad versions. Just be sure when exporting from rhino to use splines, not polylines, to get exact curves.

CGN · Jun 6, 2005

Rhino Export

Hi Maciej,

If your units are mm, then to export DWG or DXF use the settings as per the attached images, that will create a polyline with a tolerance of 1/2 mm (from the spline in rhino with the polyline created for DWG or DXF).

Also spline>projected to plane - setting works fine.

I use the spline option because I get a clean line instead of multiple segments like the polylines, but both ways are functional.

Maciej · Jun 7, 2005

Thanks

Maciej

Rhino - calculating the surface

Maciej

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Maciej

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