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Stair By Sketch Riser Line Type

Stair By Sketch Riser Line Type

There is a simple change that needs to be made in the stair-by-sketch editing tool. 
When creating a stair by sketch you put in boundary lines, riser lines, then finally a stair path. I place all the riser lines where I want the risers to start. 

kimberlyMPHHZ_1-1761149892135.png

 

After finishing the sketch and while all the visibilities for a stair are on it looks like this.

kimberlyMPHHZ_2-1761149965589.png

You can see that now the solid lines are in the same place they were when I created the stair and now we have the hidden line. This is just incorrect. The hidden line is now showing the riser line and the solid line is showing the tread. Note that I placed riser lines where we are now showing tread lines. This is further shown by the elevation of the stair. We see that it is in fact the treads that line up and not the risers. We can also see this difference when changing the visibility settings and turning on and off the riser and tread lines. 

kimberlyMPHHZ_4-1761150251296.png

So when I am creating a stair by sketch and placing riser lines, I am actually placing tread lines. 
I should be able to place riser lines while editing the stair, then have the riser lines in the same place once I've finished editing the stair. The tread lines would be the lines offset from one another.

 

4 Comments
Mike.FORM
Advisor

This should not be changed. The reason your riser is not in line with the edge of the tread is because you have an offset in your stair assembly (Nosing Length) which pushes the riser back. Not all stairs have this offset and the riser can also be slanted so the important thing is where the edge of the tread nosing is located.

MikeFORM_0-1761326143199.png

 

Ric_Weber
Advisor

@Mike.FORM, then the name of the tool should be "Nosing Line" and not "Riser".  It would be nice if we could draw it based on either the nosing or the riser.  Provide both tools that either could be used depending on need.  That would be optimal. 

If I'm drawing a riser line and I have a nosing that sticks forward, I would expect the tread line to move from where I placed the riser lines, not the way it is doing it.  

Mike.FORM
Advisor

@Ric_Weber I disagree as code wise I have never seen any clearance requirements (head height, landing size, clear area) reference from the face of the riser, they always reference back to the edge of tread/nosing.

If you specify the face of riser and then change your nosing length, does the riser stay in place and move the front edge of the tread? or does the stay where it is and the riser shifts? Does that then move the sketch line? 

The consequences of a set of stairs being controlled by the actual face of riser and then changing parameters in the stairs can have extremely costly consequences that might be hard to realize.

 

I can just see this causing a lot of problems.

 

I do agree the naming of the line could just be changed to "Nosing Line" to avoid confusion.

Ric_Weber
Advisor

@Mike.FORM, code really has nothing to do with manually sketching a set of stairs in Revit.  In this example I have an assembled stair type that is set to minimum tread of 11", yet by sketching the stairs, I can create my tread depth anything I want and Revit doesn't even bat an eye.  So if I sketch it with 6" treads it will model them that way.  But the point here is that if we select a tool called Riser, it should be drawing the face of the riser not the face of the nosing.  Since it actually means face of nosing, that is what it should be called.  

 

Ric_Weber_0-1761500608875.png

 

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