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3 sided prism with userfefined length and parametric hights.

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Nachricht 1 von 12
Anonymous
686 Aufrufe, 11 Antworten

3 sided prism with userfefined length and parametric hights.

Im trying to build a family which consists of a 3 sided prism with a sloped top and standing on a flat plane.

the User shall be able to place 3 points anywhere and the prism shall be generated from following values:

The Z in point 1 should be 0

The Z in point 2 shall be half the distance between point 1 and 2

The Z in point 3 shall be half the distance between point 2 and 3.

 

I have tried for a couple of weeks working with all sorts of adaptive components and reporting parameters but I cant seem to make it work.

 

Can this be done?

 

Best regards

nkhv

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Nachricht 2 von 12
ToanDN
als Antwort auf: Anonymous

Which version are you working with?

Nachricht 3 von 12
Anonymous
als Antwort auf: ToanDN

Revit 2018

 

BR

Nachricht 4 von 12
barthbradley
als Antwort auf: Anonymous

Can you post what you have accomplished so far?

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ToanDN
als Antwort auf: Anonymous

See attached - 2015 btw.

 

Capture.PNG

Nachricht 6 von 12
Anonymous
als Antwort auf: ToanDN

Thanks

So what am I seeing? Where does the values come from? Are they somehow derived from a formula as reporting parameters?

Is the plane defined by adaptive points?

Nachricht 7 von 12
ToanDN
als Antwort auf: Anonymous

The length between adaptive points are reporting parameters because you want the free dome to place these points anywhere.  The height parameters are a formula based on the length's.  You can open the Revit file attached for reverse engineering.

Nachricht 8 von 12
Anonymous
als Antwort auf: Anonymous

Sorry I didnt see the attached file on my phone.

I get it so far:

3 adaptive points are defined and are connected with ref lines.

Dimensions are placed between adapt points. The dimensions are turned into reporting

Ref points are placed on the planes of the ref lines and are dímensioned. The ref points are placed by using computed values based upon formulas.

Additional ref lines are placed between point zero and H2 and H3.

Surface from closed loops are made.

Am I right in this?

 

Can this family be turned into a solid?

 

 

 

Nachricht 9 von 12
ToanDN
als Antwort auf: Anonymous


@Anonymous wrote:

 

3 adaptive points are defined and are connected with ref lines: YES

Dimensions are placed between adapt points. The dimensions are turned into reporting: YES

Ref points are placed on the planes of the ref lines and are dímensioned. The ref points are placed by using computed values based upon formulas: YES

Additional ref lines are placed between point zero and H2 and H3: YES

Surface from closed loops are made.: YES

Am I right in this? YES

 

Can this family be turned into a solid? I haven't tried it yet.

 

 

 


 

Nachricht 10 von 12
chrisplyler
als Antwort auf: Anonymous

I'm confused by the phrase "three sided prism." Geometrically, in the three dimensional world we live in, there isn't any such thing. You need at least four sides to construct a solid/mass in the universe as we know it. Or at least a solid/mass made of flat sides anyway.

 

But yeah, the distance of your corner points along a reference line B can be controlled with a formula based on length of reference line A. Although I'm worried that the functionality of such a construction might break when placed in a project if you set it up in such a way that a distance along the first line is controlled by the second line which isn't placed yet. Haven't tried it myself.

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barthbradley
als Antwort auf: Anonymous

@Anonymous: If you've been unable to resolve this after a couple of weeks of working on it, I think it would help us to help you, if we could see what you have done so far. I mean, two weeks is a very, very long time to be working on a family such as you are describing. 

Nachricht 12 von 12
ToanDN
als Antwort auf: Anonymous

@Anonymous

 

This one (2017) has two families: one with faces and one with solid.  They work the same.

 

Capture.PNG

 

One thing, when I placed it on a slope, the vertical lines are perpendicular to the slope, not the global XY plane.

 

Capture2.PNG

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