7 replies to this topic

[brian praye]

Hey Guys,

I am trying to draw a flat (horizontal pitch) roof on a simple rectangle shape structure, and am having two problems.  I defined roof in options for 11 7/8" rafters, to sit on wall correctly, so far so good. I added roof, then auto stick frame, which worked, but the rafters are oriented in wrong direction, and I cannot figure out how to change that.  It seems like that should be simple, similar to reference side in floor mode.

So, I redrew roof, drew a single rafter oriented the way I wanted, then copied it multiple times, but only the original will show in softview (3d).  Surely I shouldn't have to draw 16 individual rafters just to get them to show in 3d. They show just fine when I draw them in roof mode.  Any ideas?

thanks.

[Steve Haarmann]

Try adding a slight pitch to the roof.

It might be that you are trying a perfectly flat roof which is not really done.

[Keith Almond]

It's not a joist set, it was AUTO-STICK FRAME, which doesn't have an option of EDGE EDIT

[brian praye]

Try adding a slight pitch to the roof.

It might be that you are trying a perfectly flat roof which is not really done.

True that it's not really done, but SP offers HORIZONTAL as a pitch option in roof design. Even if one were to draw it flat, then make notation for a 1/8" or 1/4" slope, it seems that one should be able to do some editing to the horizontal roof.  Almost seems like a useless setting.

[brian praye]

It's not a joist set, it was AUTO-STICK FRAME, which doesn't have an option of EDGE EDIT

Thanks.  What I found odd was that it drew the rafters spanning the longer distance, rather than the shorter span, as one would obviously build it, which makes the need to change it in the first place.   Would the easiest way be to draw a floor joist set, -since there is no roof joist set option-, overhang the walls, then try to make it look like a roof (gutters, facia, etc)? Any ideas on why the copied rafters are not visible in softview?

[Michael Hand]

if it is 3d only you can also make the roof with solids since it would be flat.

heck you can even do with deck, using it as another floor level with reference located, with solid decking

many ways to solve a problem - usually the easiest are best it these situations - no need to overthink it

[Gary McKeon]

Try adding a slight pitch to the roof.

It might be that you are trying a perfectly flat roof which is not really done.

Not quite true Steve. I have done, and continue to do lots of flat roofs that are indeed flat. Largest one I've done yet has been 16ft. wide. Designed for 40# snow load of which it got a workout this year. Not cheap but it can be done.

[brian praye]

if it is 3d only you can also make the roof with solids since it would be flat.

heck you can even do with deck, using it as another floor level with reference located, with solid decking

many ways to solve a problem - usually the easiest are best it these situations - no need to overthink it

That is actually how I did it.  A deck, with the board thickness changed to 3/4" and the board width changed to the length of the floor (22') which made it one board.  Wasn't difficult, but it just seems that it should be able to be done in either floor or roof mode, not just to eliminate the extra step, but to be visible in softview and to keep material list accurate.  If it could be done in roof mode, one could even put in the slope (1/8-1/4") for very accurate cross-section.  just sayin'.