Hi

When I copy and paste just a regular rectangle from rhino to moi the measurements are not translated to the same amount. This also happens when I open the file or import the file.

I may have 120.00 inches in rhino , but when imported to Moi it is 120.25 even sometimes an inch of discrepancy.
thus messing up up my pipeline

am I doing something wrong?
thx

Hi tsiwt, can you please post an example 3dm file with the rectangle that doesn't transfer as expected?

- Michael

HI Michael,
yes here are two files -

they are both decimal points off, instead of dealing with round numbers like I am working with in rhino

I am using the beta version from USb -
But I think I tested in version 3 and it was the same issue.

see attached.

thx

I guess I should point out that
I am exporting first from Autocad 3d to Rhino (this witholds exact measurments) but when I export from rhino to moi it is decimal points off

I also tried to export from Autocad directly to Moi3d using IGES files and it worked but it also decimal points off, is this something to do with the relation between autocad and moi?
why would it be working in rhino great but not in moi?

thx

Hi tsiwt, the objects in your file are identical between MoI and Rhino. I suspect that the problem is that you're looking at 2 different kinds of measurements.

In Rhino you appear to be measuring things in the box's local coordinate system while in MoI you're comparing that to the world axis aligned bounding box size.

It's totally normal that a rotated box will have different measurements between those.

Here's how you can verify that they are the same size - in Rhino select your box and run the BoundingBox command, you should see this output for box test1.3dm:



In MoI load the same file and use the Edit size menu which has this:



As you can see they are the same, the only difference is that MoI is showing 4 decimal places so it has one more digit at the end there.


If you want to check a distance in MoI that is in the box-aligned coordinate system, select an edge and then it will show you the length like this:








So again this is the exact same value as in Rhino. Please let me know if this isn't clear.

- Michael

Oh I see. It is the difference between bounding box in relation to world axis vs actual object size.

Understood, pardon my ignorance.

My second week using Moi and I love it, thank you for such a cool software and help