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View Full Version : Improved ability to manipulate toposurfaces with pads, floors and roofs to make tunnels and underground spaces.



Wish List System
2012-02-27, 04:40 PM
Summary: Improved ability to manipulate toposurfaces with pads, floors and roofs to make tunnels and underground spaces.

Description: I am trying to find a way to construct an underground space and it seems that the topography isn't nimble enough to do it and the variable thickness floors and roofs aren't quite there either.

The current function of the toposurface is too limited to allow for creating underground spaces and the inability for pads to overlap often results in leftover "walls" of topography between building pad edges. Even when copying pad sketch lines from one pad and pasting them into another pad sketch still frequently results in the "no overlapping edges warning".

I think part of the dificulty (or what is lacking in function) is a result of the toposurface being just a surface and not a 3d mass with volume. Since the toposurface is like a thin sheet of paper, building pads can only cut a hole in that surface. There is no "dirt" under that surface in which to carve a space.

If topo was a mass with volume, then floors and roofs could have a function added to cut into topography similar to how pads work but with a check box to cut topography above or below until it meets another topo cutting element. With this type of feature, tunnels and underground buildings could be modeled with out having to try to match a toposurface and its method for manipulation with a mass or in place component and its different method for manipulation. For example, it would be very useful to be able to:

1) Make a topo surface.

2) Make a floor with an instance check box to cut topo surface ABOVE the floor to a certain height.

3) Make a floor or roof above the floor made in step 2 with an instance check box to cut topo surface BELOW the floor or roof to a certain depth.



This would leave the topo above the floor/roof in step 3 so that it could still be manipulated as part of the topo surface.



Product & Feature: Revit Architecture

Submitted: Mon, 27 Feb 2012

chino4483554314
2012-06-13, 05:33 PM
An option very much needed in Revit, although i would expand the idea to include:
- Floor (acting as a sidewalk or road ) to follow the contour of the toposurface
- allow ramps to also cut topo geometry

aswell as include more tools to cut or reshape a toposurface without the use of a 3rd party program i.e. siteworks

* the overlapping problems i usually have are with inclined pads or ramps touching flat ones