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Tue, Aug 10, 2010 at 4:35:33 PM | Varying eave heights on roof

#16

spacey


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THanks for your help.

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Wed, Aug 11, 2010 at 3:22:42 PM | Varying eave heights on roof

#17

courthouse


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After looking at your roof is there a particular reason you aren't simply adding another hip on the outsetting portion of the building?  I would think defining the slope on the end of the projection and on the backside of the area in question and creating another hip roof and dropped ridge condition would be the best choice. That would allow your eave heights to remain consistent for the entire roof.  If a dropped eave is what your looking for you might even be able to set another roof over the projected area with a lower eave height and then join it to your main roof

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Wed, Aug 11, 2010 at 3:58:40 PM | Varying eave heights on roof

#18

itsmyalterego


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Is this what you were aiming to achieve?  this thread got long, and I'm not totally sure. 

 

In order to change the eave heights, the model lines themselves have properties, height offsets, in particular.  Sometimes, you might need to reset unruly lines to 0', and do some math to make a 4 foot overhang's ridge line up... or, measure the difference in ridge heights from an elevatioln view.  

 

 



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Wed, Aug 11, 2010 at 4:44:21 PM | Varying eave heights on roof

#19

spacey


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@courthouse:

Sorry, I don't follow what you mean by "adding another hip on the outsetting portion of the building"

The two things I was struggling with were:

  • creating the dropped eave as a portion of a single roof plane, (and I can do this now -thanks for the help folk)
  • having a two cut plumb rafter end on a roof with this dropped eave (I cannot do this,: Revit "cannot make roof"Winking

@itsmyalterego:

Yes, that is what I wanted regarding the dropped eave, but I cannot tell whether you have the two cut plumb edge. Regarding the dropped eave, I did play with the height offset for the edges but struggled to get the planes correct and ended up with a junction (as shown in the first image on the roof without walls)


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Wed, Aug 11, 2010 at 5:11:26 PM | Varying eave heights on roof

#20

itsmyalterego


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Sorry, it seems that two cut plumb is not possible to model in this way.  I would model the overhang as a seperate roof. 

 

as shown.  model it crudely at first, to see the lines of overlap, then from a top-down view like site, trave the ridge in detail lines, then modify the footprint to match for both roofs, and there you go.  Invisible-line the joins with linework.  



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Wed, Aug 11, 2010 at 5:46:43 PM | Varying eave heights on roof

#21

spacey


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Thanks for that. It looks like the way to acheive what I want.

Could you explain to suit a newbie what you mean by "Invisible-line the joins with linework"


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Wed, Aug 11, 2010 at 6:04:42 PM | Varying eave heights on roof

#22

itsmyalterego


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Sure!  Under the "Modify" tab, you have the linework button.  What it does is turn off a line in a particular view.  It's just cosmetic, but it will hide the join in the 3d view, if  appearances matter. 

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Wed, Aug 11, 2010 at 6:05:27 PM | Varying eave heights on roof

#23

itsmyalterego


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One of your default linestyles should be <invisible lines>

 

You can also use this tool to darken lines


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Wed, Aug 11, 2010 at 8:21:37 PM | Varying eave heights on roof

#24

spacey


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ahah!. Thanks.

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