Simple Question: How can I center one object inside of another?

Discussion in 'AutoCAD' started by BrianW, Aug 4, 2003.

  1. BrianW

    BrianW Guest

    I have a big rectangle, and I want to center a smaller one inside of
    it. I can't figure out how to do this using AC 2004.
    Thanks,
    Brian
     
    BrianW, Aug 4, 2003
    #1
  2. There are many, many ways to do it. The savviest would use the midpoint
    capabilities of the GEOMCAL in a MOVE command, and the simplest would be to
    draw diagonals across both rectangles, and use their midpoints for the
    from/to snapping in a MOVE command. (Delete diagonals when done.)
     
    Michael Bulatovich, Aug 4, 2003
    #2
  3. BrianW

    Dave Jones Guest

    do you know how to use object snaps and polar tracking? Simple if you do...
     
    Dave Jones, Aug 4, 2003
    #3
  4. OFFSET could work in some situations.

    Say you wanted a rectangle that was 100 units smaller in both
    directions then OFFSET 50 pick the rectangle and the pick inside
    the rectangle.

    Terry
     
    Terry Rawkins, Aug 4, 2003
    #4
  5. BrianW

    cadalot Guest

    This is an example I use on my training course it's called
    How many ways to skin a cat? and we keep finding more and more.......

    The example is based on drawing a 50x50 square then drawing a 30x30
    square within it, so that the are concentric squares.

    One not suggested so far is to draw both, then place one inside the
    other using the snap centre ( yep it works on rectangles and well as
    circles )

    It will be interesting to see how many methods are found!

    Regards

    Alan (Cadalot)
    http://www.cadalot.co.uk
     
    cadalot, Aug 5, 2003
    #5
  6. ????
    Not in the plain AutoCAD


    Juergen
     
    Jürgen Palme, Aug 5, 2003
    #6
  7. BrianW

    cadalot Guest

    Sorry Guys.....

    I had my IntelliCAD head on when I posted that message.

    You are correct it does not work in AutoCAD 2000 I have not
    tried in 2004 yet, however it worked in IntelliCAD since 2001
    See demo below:-

    http://www.cadalot.co.uk/icad/notes/Centre-snap-square.htm

    As you can imagin the courses for AutoCAD and IntelliCAD are
    very similar.

    Alan (Cadalot)
     
    cadalot, Aug 6, 2003
    #7
  8. BrianW

    Whakatifnio Guest

    <<I have a big rectangle, and I want to center a smaller one inside of
    it. I can't figure out how to do this using AC 2004.
    Thanks,
    Brian>>

    PATHETIC, isn't it? I mean ANY system describing itself as 'CAD'
    would surely be capable of snapping to the centroid of ANY shape.

    Fortunately mine does; seemingly, so does (free!) Intellicad, but
    not (apparently) the market leader..... but then, there are many,
    many other simple things it has difficulty with, too.

    As long as the unaware go on buying it, nothing's gonna change....
     
    Whakatifnio, Aug 6, 2003
    #8
  9. BTW, very impressed with the Flash.
     
    Michael Bulatovich, Aug 6, 2003
    #9
  10. BrianW

    Smackypete Guest

    So does AutoCAD.
    Command: l
    Specify first point: 'CAL

    Initializing...>> Expression: MEE(761.779 1283.29 0.0)

    Specify next point or [Undo]:

    There is your midpoint of the rectangle (which by the way IS a POLYLINE or
    LWPOLYLINE entity - there is no such thing as a "rectangle" entity.
     
    Smackypete, Aug 8, 2003
    #10
  11. BrianW

    Whakatifnio Guest

    <<be capable of snapping to the centroid of ANY shape.>>

    <<So does AutoCAD.>>

    ANY shape? Irregular; nonlinear; 3D volume?

    Please do tell, from YOUR great knowledge.
    Maybe you'd like to tell us how to generate
    curves while you're at it, without resorting
    to 3rd party add-ons, lisps, or reprogramming.
    Just conic sections, helices, catenary, Archimedian spiral,
    2nd / 3rd order functions, Beziers, Catmul-rom,
    straight out of your overpriced AutoDesk box?

    PS NOT ACAD user- merely listening to what other
    users report.......but always ready to be corrected.


     
    Whakatifnio, Aug 8, 2003
    #11
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