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Stair riser

2raarchitecture
Contributor

I need to type in a specific riser height, and I have been changing all of the settings, but I can't seem to find the right one so i can only change the specific riser height. Any notes?

 

Screen Shot 2021-11-04 at 9.00.42 AM.png

10 REPLIES 10

Lingwisyer
Virtuoso

@2raarchitecture wrote:

 ...so I can only change the specific riser height.

 

 Set your max riser height in the rules to the same as the min riser height? Or are you trying to make one riser different from the rest...?

AC18-23 AUS 7000
Self-taught, bend it till it breaks.
Win10 | E5620 x 2 | 24GB | K2200

Win10 | R5 2600 | 16GB | GTX1660

2raarchitecture
Contributor

Thank you I recall trying it, but it wouldn't allow me to. I will try back.

2raarchitecture
Contributor

The program wouldn't allow me to set the stair riser min. and max. heights. Only one or the other. Also the available heights are already set I can't set a custom height. I didn't know there was a way to set individual stair risers.  Thank you for letting me know how that works. My next move is to do morphs, but I wonder why this is not possible 

 

Screen Shot 2021-11-05 at 4.52.41 PM.png

Laszlo Nagy
Community Admin
Community Admin

The available Riser Height values are calculated by Archicad by dividing the full height of the Stair by the number of possible Steps.

Set your Base and Top offset values so the full height of the Stair will be a multiple of your intended Riser Height (e. g. if your intended Riser Height is 6.5" then make sure the full height of the Stair is a multiple of 6.5"). Then you will find your Riser Height in list of possible Riser Heights.

Also, I would recommend that you turn back on some of those limit checkboxes, e.g. for min. and max. of Riser Height so you do not have a long list of possible values in the Riser Height field. Just makes sure your intended Riser Height is within the range of the min. and max. values. If you the full height of the Stair to a multiple of your intended Riser Height, the values will be only the list.

....................................................................................................
Laszlo Nagy, Lead Moderator, Community Admin
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Lingwisyer
Virtuoso

I guess that is something new in AC24/25? While it makes sense, doesn't that make the stair rules specific to your stair height rather than a general outline?

 

 

Ling.

AC18-23 AUS 7000
Self-taught, bend it till it breaks.
Win10 | E5620 x 2 | 24GB | K2200

Win10 | R5 2600 | 16GB | GTX1660

Barry Kelly
Moderator

If you want a specific riser height (that is not in the available list of heights), then you have to turn off the top link to storey.

But then the stair may not match your floor heights.

Otherwise you can only set the number of risers and Archicad will calculate the riser height.

 

Setting the correct rules for your stairs will limit the available choices you have.

Turning the rules of will give you more flexibility, but you may end up with a non-compliant stair.

 

Barry.


One of the forum moderators.
Versions 6.5 to 25
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2raarchitecture
Contributor

Thank you Barry Kelly! I am trying to document existing conditions. I did turn off link to top story. Turned off all of the rules, yet I am not able to get to input a specific riser. I got it close enough, but I wonder if it's something I just don't know. Screen Shot 2021-11-08 at 4.12.55 PM.png

Do you know the overall height?

AC18-23 AUS 7000
Self-taught, bend it till it breaks.
Win10 | E5620 x 2 | 24GB | K2200

Win10 | R5 2600 | 16GB | GTX1660

Actually, if you set the top link to 'flexible', you can set the exact riser height you want, but then you have to choose the number of treads as you place the stair.

This can only be done for new stairs though.

Existing stairs can not be set to flexible because they have a set height already.

 

If you set a stair to 'not linked', then you will only have certain riser heights to choose from, because it uses the height you have set divided by the number of treads.

So height divided by 18 or height divided by 17, etc.

 

The same happens if you link to a storey.

As you have set the height and can only have whole numbers of treads, your riser heights will be limited, even with all the rules turned off.

 

So set the top height to what you want and then choose the number of treads and the riser height will work itself out.

Or you have to choose from one of the available riser heights and the number of treads will work itself out.

 

Barry.


One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10

Thank you Barry, I will try these solutions and report back. I appreciate your feedback.

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