Perspective view rotate flips to opposite direction or side..ANYONE?

Rhino Rhino for Windows
1

Hi
V5
Normally one moves mouse forward whilst holding down right mouse button and object rolls away from you at its top.
so if its a view of a car you see the underside start to show.
looking at its left side in persp view to see its boot you move mouse to left on mousepad.

Three times now I have had it change and it moves in the opposite direction to what it should.

What is going on.

Never had that in V4.

I have to go to View and choose perspective when already in perspective view then its ok again.

The other day it inverted, I was in wireframe with left side of an object nearest me and then I felt it go, and it was now showing me right side !

Steve

2

Hi,
Not had a reply but still suffering this…

has anyone else had this happen ?

I have just launched V5 for todays session, 4 view , go to perspective and move my mouse to the right on the mat and the view rotates the opposite way it normally does. It didnt even start my day going the right way.
I have to go to Perspective , click there and choose perspective, then its back to normal, then I have to go properties and set it to parallel again as opposed to perspective so I can zoom right in.

This will happen again today a few times you can bet your bottom dollar !

This is happening every day to me, I never ever had this happen in V4 but its happening in V5.

You can be slowly rotating it, then maybe pause or whatever and you see it sort of subtly do something then when you carry on its now rotating the wrong way.
I had the object in perspective view invert the other day, I was looking at port side then was presented with stbd side ! I was looking at my plan and lettering was back to front !

I use Photomodeler and that wireframe can easily flip, mirror image in other words, I have to violently rotate it and it flips back to the correct view again.

What is the fix please ?

Steve

3

I don’t know what’s happening on your end, but that has never happened to me. It sounds like you are accidentally flipping over your view and looking at it from the underside without knowing it… the view rotates in the opposite direction if you do that. When that happens, what does your world axis icon (gray, in the lower left corner) look like? If the Z is pointing downward, you’re upside down. Sometimes in wireframe, it’s hard to tell the difference, especially if you’re in Parallel projection, as there is no perspective to help you figure things out. It has a tendency to look like an MC Escher optical illusion.

–Mitch

4

Hi,
I have an aircraft fuselage and its dead easy to see port or stbd, nose area etc. No chance of me thinking I am looking at port when its stbd.
With Rhino you move the mouse to the right and the view rotates as if its on a turntable rotating anticlockwise.

Imagine a postcard carousel, you push on its right side and it rotates anticlockwise.

Thats normal and good.

I can have that happening, stop rotating, click on ortho window, do some work, click perspective to rotate it anticlockwise again and this time it goes the other way.

Right click perspective name and choose perspective and we are back to normal !

I am not accidentally flipping the view, I am just going to it as I have done thousands of times since using rhino v4 and pushing the view anticlockwise by right mouse button down and move mouse to right on mousemat. but V5 is performing fine, then I can do that move again, and its fine, might be 10 times I do that, 50 times, then 51 and it goes the opposite way, I am still looking at port side, but mouse to right now gives clockwise. If I had flipped the view over I would see the stbd side.

I have been working solely on the port side. I closed the file like that last night. Opened it this morning and still showing port side, start to rotate it and its going the opposite way…i.e its going clockwise when it should have gone anticlockwise.

I cant say anymore, I hope this has explained it.

Default rhino mouse right rotates view anticlockwise, mine does so, then decides to go clockwise with the next time I do the anticlockwise move, that next time might be 10 moves later, or 50, or 1

I did a printscreen but PC hasnt put it onto clipboard, never had that before either.

I will describe it in its normal state, grey line heading NW is y, vert is Z, line heading NE is X

when it misbehaves I shall report back again with what that looks like.

MC Escher optical illusion.

aware of that, Photomodeller does the inversion flip, but as I rotate you get to see what is what what moves past what and with a bit of rotating you get your bearings and see it has mirror image flipped, port side of aircraft is now mapped onto stbd and vice versa.

Steve

5

From the amount of odd/inexplicable/unreproducible behavior you are reporting you should consider you might have something/someone messing with your machine. Consider formatting it and starting it fresh.

6

I am not getting these things in V4, so why take 3 weeks and rebuild my PC ?

Steve

7

This is not a V4 vs V5 thing. In my opinion the only explanation is that when you see this flopped camera movement, you’ve got the camera upside down. When you see it, turn on the camera for the perspective viewport (Camera show). With the camera widget on, when you look at it in one of the other viewports, you will see a line that runs from the camera target to the edge of the camera frame, that should point up. When you are experiencing flopped camera movement, my guess is that it will be pointing down.

Is it possible that between your version of V4 and V5, you have got a different setting for Rhino Options -> View -> Rotate around wold axes / Rotate relative to view?

8

I’m gonna revive this thread, same happened to me in Rhino6

image

After some random rotation motion with the mouse it’s back to normal again.

image

9

Was experiencing something similar, this is what fixed it for me

Display Options > Rhino Options > Rotate > ( change to ) “Classic V2…” OR "Rotate Relative to View"

Hope this helps

10
11

That’s irrelevant @jonathan.kuniholm

This is not a visual illusion the axis flips.

If it was a visual illusion on the above pictures different people will see the axes in the same direction. :rofl: