Bentley Communities
Site
Search
User
Site
Search
User
Welcome
Products
Support
About
More
Cancel
Browse By Tags
All tags
Matrix3d
VBA
cross-product
initialize variables
linear algebra
MicroStationV8i
Radians
rotate
Rotation Matrix
Transform3d
translate
Vector3d
Rotating and Moving Elements with VBA
Jon Summers
I've posted some articles about using matrices and transforms with MicroStation VBA to rotate or move (translate) a DGN element. The articles explain the purpose and use of Matrix3d and Transform3d , and how to apply them to an element.
http://www.la-solutions.co.uk/content/connect/mvba/MVBA-Matrices.htm
View
Hide
over 1 year ago
MicroStation Programming
MicroStation Programming Blog
Rotation and transformation matrix
Finn Mejding
Hi, I'm struggling with placing a cell along an arc in VBA. I have a Complex Chain where I will place a cell along the whol chain with a fixed distance. I have solved the rotation on the "Line" part of the chainm but having trouble with the arc…
Answered
over 5 years ago
MicroStation Programming
MicroStation Programming Forum
RE: [V8i VBA] Automating rotated cell insertion - which Matrix3d method?
Jon Summers
Function ConstructMatrix3D (ByVal degrees As Double) As Matrix3D Dim angle As Double angle = Radians (degrees) ' Your angle is measured from North, so you may need to subtract 90 degrees if cell is oriented along X axis angle = angle - Pi() Const…
over 6 years ago
MicroStation Programming
MicroStation Programming Forum
RE: [V8i vba] how to tell if your cursor is to the left or right of a point in a rotated view
Jon Summers
Unknown said: How to tell if your cursor is to the left or right of a point? I've written a VBA project that shows how to do that... The macro works in dynamics. Start by identifying a cell. Move the cursor, and it draws the yellow line from the…
over 6 years ago
MicroStation Programming
MicroStation Programming Forum
RE: How to get rotation around axis?
Jon Summers
Unknown said: I have got the following details: slope angle angle of the slant edge width of the roof width, length, height of the beam When dealing with 3D geometry, work with vectors, transformations and matrices. MicroStation VBA…
over 6 years ago
MicroStation Programming
MicroStation Programming Forum
Re: 'Target' module rotation error
Jon Summers
Matrix3d Initialisation Joshua Chung said: Dim RotMatrix As Matrix3d ... 'Create Circles Set MyCir = Application.CreateEllipseElement2(Nothing, CenPt, 0.25, 0.25, RotMatrix) Application.ActiveModelReference.AddElement MyCir …
over 12 years ago
MicroStation Programming
[Archived] MicroStation V8i VBA Forum
Re: Ellipses Rotated Incorrectly
Jon Summers
Initialise Data Correctly Dim rotMatrix As Matrix3d ... Set myCir = CreateEllipseElement2(Nothing, myCen, 0.068, 0.068, rotMatrix) You use a rotation matrix without initialising that variable. When you declare a variable and don't assign it a…
over 11 years ago
MicroStation Programming
[Archived] MicroStation V8i VBA Forum
Re: Applying a 3D rotation to a cell
Jon Summers
Something like … Dim origin As Point3d origin = oElement.Origin Dim offset As Point3d offset = Point3dSubtract (Point3dZero, origin) oElement.Move offset ... do rotation oElement.Move origin oElement.Rewrite You haven't told us how you…
over 12 years ago
MicroStation Programming
[Archived] MicroStation V8i VBA Forum
Re: Applying a 3D rotation to a cell
Jon Summers
Both the order of rotation and the centre of rotation are important in 3D. In 2D it's much simpler. In 4D it's beyond human comprehension 8-) I'd start with 2D, just to keep things as simple as possible. When you construct a rotation matrix,…
over 12 years ago
MicroStation Programming
[Archived] MicroStation V8i VBA Forum
Re: Placing Orthographic Cell in Isometric Transformation
Jon Summers
3D Geometry Mike: I am looking to set a rotation using Matrix3d ... If you are working in 3D then understanding rotation matrices, embodied in VBA as Matrix3d , is vital. Rotation matrices are pretty well universal in 3D manipulations, and…
over 13 years ago
MicroStation Programming
[Archived] MicroStation V8 XM Edition Programming Forum
Re: How to get textelement rotation value in degree?
Jon Summers
VBA Forum Aravinthkumar: How can I get rotation value from TextElement . It returns the value only in Matrix3d . How can I get it in degrees? Post questions about MicroStation VBA to the VBA Forum . MicroStation is a 3D environment…
over 14 years ago
MicroStation
MicroStation Forum