Full Version: Volume calculator

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Thanks Max!
It will be really useful!

Best regards from Barcelona.

Image Attachments:
CVolume_test.jpg 

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Hi Max,

Is it possible to calculate surface area of selected faces only?

Thanks.

Mik

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Hi Mik, good idea! I'll make it today or tomorrow.

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Thanks again Max! This is fantastic!




Michael T.

Image Attachments:
150909_0948.jpg 

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Hi Max,

This is a great tool, thank you.

I think this is a big ask, but would it be possible for 2 or more solids of different densities to have its combined centre of Gravity worked out?

James E

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Thank you very much , Max, it would be great.

Mik

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The equation to find combined centre of Gravity, is explained very well here:

https://www.youtube.com/watch?v=KMDY-hexpZ8

mass1 = vol1 * density1 , centered at point mass m1.
mass2 = vol2 * density2 , centered at point mass m2.
d = distance between (center of mass of m1) and (center of mass of m2).
x = distance from (center of mass of m1) to the point on the line between m1 and m2, which is the combined centre of Gravity.
m1 * x = m2(d-x)


x = (m2 * d ) / (m1 + m2)

- Brian

They say is the "same" for torque. (No inverse square law needed.)
(x is not necessarily the x-axis), so x,y,z coordinates of the points may be used, or a cplane making d along the x axis...)

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CVolume v1.3
[added] enhanced surface mode. How you can use this script with faces and separate surfaces.

Marbleman
>>I think this is a big ask, but would it be possible for 2 or more solids of different densities to have its combined centre of Gravity worked out?
Hi James. Yes, this is possible, but I need to think about concept. Give me a week.

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Excellent Max,

thank you very much, you are King of Scripts :-)

Regarding centre of gravity ... it will be fine to have set of styles which represents certain material = density.

Kind regards,

Mik

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Mik
>>Regarding centre of gravity ... it will be fine to have set of styles which represents certain material = density.
Yes, I have the same thoughts.
In fact the technical part don't bother me. There are pretty simple calculations. First I need to think about global internal structural changes. It is much more difficult task.

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Yes, of course, choosing the best concept is always big task and calculation of CoG will be very useful feature for modelling of complex assemblies.

Kind regards,

Mik

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Do you confirm or not that Center of Mass can be calculated between 2, 3, or more volumes in the same time inside the present plugin? (same density)

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Hi Pilou,
Yes, I confirm it. :-) 2, 3 and more.

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Terrific!

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Thanks Max,

I think you're the master!

James E

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Thanks Dino and Max for this useful script.

I have a small improvement request: In the default MoI user interface some contents of the dialog window is too wide.



-Martin

Image Attachments:
Screen Shot 2015-09-12 at 1.54.42 pm.png 

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Hi Martin,

I didn't noticed any problem with the script interface. But it seems like you are using Windows UI scaling feature. I'll make some chаnges in the script to fix it. Wait for the next version.

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Hi Max,

it's on my Laptop and Desktop computer both running OS X. I'm not aware of any window scaling.

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Hi,
It's the same for me on OS X.

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Hi Max,

Your script is amazing, I have wanted this feature since MoI's beta.

Concerning the display cutoff; I am experiencing this as well. I'm not scaling and my display is 1920 x 1080 in Windows 10.

Again though I am so happy to have the script, thanks for all your hard work in this area!

David W. (Aka: blend3d)

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