Types of dimension so far

Comment

Comment by David Rutten on February 24, 2014 at 3:15pm

I can certainly add it. There's no parallel in Rhino but that is not really something I worry about at this stage. I want to come up with a set of dimensioning tools are are useful to my users and relatively easy to set up using logic rather than mouse-clicks.

What if the first point is not on an extreme? Do distances remain positive towards both directions? Should there be a symbol that marks the zero-points or perhaps the direction towards the zero-point for every number?

Comment by Tyler Rachel on February 24, 2014 at 2:54pm

Yes, exactly!

Example:

I populate stud framing in a prefabricated panel.

the layout changes frequently due to windows, doors, structural requirements, heavy steel placement.

When our craftsmen go to install these members, they don't measure from member to member.  They draw the tape from one edge and install off that one point (0 or 0,0).  

Just imagine using a tape the best way possible. You wouldn't measure 16" mark it, and then measure another 16" off that mark would you? You'd measure the 32 off the first measurement.  We try to dimension the exact way things would be installed in out shops.

Does this mean you are considering adding this?

Comment by David Rutten on February 24, 2014 at 2:02pm

Tyler, let me get this straight. You specify a guide line, then a bunch of points in 3D space. All the points are projected onto the guideline and next to those projections is a number which represents the distance from all projected points to the first projected point. Have I got that right?

Comment by Tyler Rachel on February 24, 2014 at 1:32pm

Martyn I believe you want the same thing I want.

To be able to set a 0, and then input a series of points and dimension them from said 0.

I have a workaround that only works in one direction and it is useful for fab drawings as it works the same way a worker will set a tape measure.

Comment by David Rutten on February 24, 2014 at 1:02pm

Martyn, the Line Marker object provides access to X, Y and Z, but only the world coordinates. Instead of "Second floor", you could have a text that reads "Elevation={2:0.00}" which would insert the Z value of the arrow tip with two decimal places. Is that what you're after?

Comment by martyn hogg on February 24, 2014 at 11:32am

Another useful type of dimension is (x,y,z) co-ordinates or ordinates in one axis only... i.e. you would specify a zero origin and the dimension would add an x, y or z coordinate relative to the origin.

SolidWorks has this feature (called horizontal or vertical ordinates I think) and its often useful. If I get chance at work I'll screen shot it.

Comment by Matt Gaydon on February 24, 2014 at 8:59am

Will it be possible or could it be possible to either output an angular dimension like shown or an arc lenght based on a pre-existing arc.

Comment by Tyler Rachel on February 24, 2014 at 7:03am

All awesome.  For actual fabrication drawings I would love love love to have the ability for ordinate dims.

Have a work around for it, but to have it be real would be pretty nifty.

Comment by Morten Norman Lund on February 24, 2014 at 5:25am

Any word on when we will see this in a release? 

Comment by David Rutten on February 24, 2014 at 3:15am

Rhino dimension styles affect Rhino dimensions. Since it is at present not possible to draw Rhino dimensions, I decided to go my own way. I don't want to re-implement all Rhino dim styles as there are a lot of them. However Danny suggested that implementing a sub-set of the Rhino dim-style definition and assigning it as an input may be a good way forward (like Loft or Mesh settings).

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