I have 3 splines, and I want to move one of them so is tangent to the other two, is that possible?
I want to move the selected spline to a position where it is perfectly tangent to the two below (which can't be moved).
This was done "by hand":
However, if you zoom in, they are not tangent (to any zoom in):
Please advise on version being used.
If using MicroStation CONNECT Edition one option is to use 3D Constraints.
First you will need to 'Fix' the curves not to be moved, then Constrain the remaining curve to them.
Answer Verified By: quarich
Carl Myhill said:First you will need to 'Fix' the curves not to be moved, then Constrain the remaining curve to them.
If when your finished and you use the remove constraints option from the contraints tool , does it leaves the lines where you left them tangential but not constrained as we may want to modify the lines at a later time.. and it makes it hard on next user to figure out its constrained as we turn off the markers ie no hints left... haha...
Lorys
Started msnt work 1990 - Retired Nov 2022 ( oh boy am I old )
But was long time user V8iss10 (8.11.09.919) dabbler CE update 16 (10.16.00.80)
MicroStation user since 1990 Melbourne Australia.click link to PM me
Why is this option not available in a 2D model?
It seems like a very basic set of constraints and should be equally applicable to both 2D and 3D models.
Regards,Ron
If you remove constraints from the object, although keeps its position, it's no longer linked anymore, so there's no point in saying that the next user won't figure out that is constrained because it's not, it's like if you neved constrained it but it's in a different position.
This is exactly what I was looking for. The bad thing is, you can't move or rotate anymore the third bspline, looks like it's not only forced to be tangent to the other two, but also be kept without being rotated or touching the tangents in the same points. If you dig it, you can "move" the bspline out of the touch of the other two, but kind of it's still attached. You can move it back without being tangent, like crossed. It's all shown in this video:
This video shows that you can't rotate the bspline while being constrained to being tangent. You have to Remove All, rotate it, and constrain it back:
To move one element to make it tangent to other two that are constrained, you have to select Constraints > 3D > Tangent > select the element to be moved clicking on it 3 times > click 3 times on the elements which is constrained, so the first one will move to it. Repeat the process for the other side (click 3 times on element to be moved > click 3 times on constraint).
Here's a third video, where I can't get the bspline to make it tangent without rotating it. Making the first tangengy works fine, however for the second time it rotates it without my consent. Any idea why this happens and how can I fix it? This behaviour is so inconsistent: