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Slope / extrude buildings

Joao_PedroMarques

Hi!

What is the best way to get building / rooftops aligned?

Like this:

My example:

Is there any command to get the rooftop correctly aligned, regarding the slope on the terrain?

Thank you guys.

Best,

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Joao_PedroMarques

It worked!1

Tahnk you so much, Thomas!

ThomasFuchs

Joao Pedro Marques‌ This rule should give you a building on a leveled lot at the minimum of sloped shapes:

attr buildingHeight = 15

@StartRule
Lot -->
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;alignScopeToAxes(y) s('1,0,'1)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;extrude( buildingHeight )‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

BenLeslie1

Are you using CE 2016? - I think flatTop CGA was only introduced at 2016.

When you align shapes to terrain, instead of projecting, use translate to minimum then extrude the building through the terrain. I don't know if there's another way to replicate flatTop.

Joao_PedroMarques

Thank you David, but something is missing.

i found the topic in the help faq: Help -

But still cant figure it how to work

DevinLavigne

Just building off the comment from Rasa Ra it would be something like this:

#initalize attribute set to a particular value or 0

attr NPisos = 10
attr avgFloorHeight = 3

@StartRule 
Lot --> extrude(world.up.flatTop, NPisos * avgFloorHeight)&nbsp;‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

Joao_PedroMarques

I'm currenty using this cga for the building correct heights (based on geodatabase atrributes) :

#initalize attribute set to a particular value or 0
attr NPisos = 10
attr avgFloorHeight = 3

@StartRule
Lot --> extrude(NPisos * avgFloorHeight)

NPisos is Number of floors.

How can i add that line in my cga? What would be the value?

Thank you

extrude(world.up.flatTop, value)

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