Building3D_Grid not taking Z coordinate into consideration

[yuzarseeef]

Hello everyone,

NoiseModelling version
I am using Noise Modelling version 4.0.4.

Describe the bug
I'm trying to create a 3D receivers grid from a Building table. My building table's geometry has a Z coordinate but it is not taken into consideration when creating the Receivers, the result is always a grid that starts from Z = 1.5 to the height that is in the Buildings table.
I've tried using the Geometry with the Zground and also the Zobject but they both give the same results.

I'm also worried that other calculations such as the Noise_level_from_Traffic also don't take it into consideration if a dem is not specified. Although in the documentation it is specified that the building's geometry can be either in 2D or 3D, in NoiseModelling in the inputs for either Noise_level_from_Traffic or Building3D_Grid the specification for the building table is the GEOM in 2D only.

Expected behavior
The 3D grid should take into consideration the Z coordinates in the geometry of the Buildings table.

[nicolas-f]

Hi,

Receivers does not need to take the altitude of buildings as receivers Z value is height (relative to ground)

[yuzarseeef]

hi,

But if I wanted to export the result and visualize them with the buildings it won't work since their z coordinates all start from 0 and not from the Zground of the building.

[nicolas-f]

hi,

But if I wanted to export the result and visualize them with the buildings it won't work since their z coordinates all start from 0 and not from the Zground of the building.

Yes, in a 3d viewer you will have an offset