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Using 3D

Gemini Terrain has built-in render functionality so you can quickly get a 3D visualization of your project. Rendering is described in more detail in the chapter on 3D visualization. In this section, we will look at various examples of using render in connection with design.

Ground Layers

If you have multiple strata in the model, it is advantageous that the layers are in the same order as in the ground. This means that the top stratum is at the top of the list for application layers.

You can turn rendering of the various strata (grids) on/off with View in the application layers list. By default, Perform intervention is set in drawing settings.

Roads can only make visual interventions in the uppermost stratum. If you have activated display of a rock layer in addition, this will be adjusted to the intervention. How well it fits with the intervention depends on the grid size.

Visualization with multiple strata

Perform intervention is turned off in the image below.

Visualization without intervention

A triangular network will also be rendered in 3D. You can turn this off with the Filter... option on the application layer menu.

Triangular network in 3D view

Road and Intersection

In Gemini Terrain you can design roads and intersections. They can be calculated and displayed simultaneously in plan and 3D, and visualized directly with full surface filling.

3D view with render:

3D visualization of road and intersection

Traffic Signs

The figure library toolset contains several parametric figures for traffic signs.

3D visualization of traffic sign

These are inserted dynamically into the model.

Road Marking

For application layers you have a presentation rule called Line painting. This is perfect for the task of visualizing road marking. A separate template RoadMarking.al_ has been created for presentation in 3D.

Procedure

  1. Create application layer with the RoadMarking.aly template
  2. Select road bodies and intersection objects and choose Copy geometry from QE to clipboard...
  3. Check Copy lines with elevation (as 3D lines)
  4. Repeat steps 2 and 3 for the centerlines
  5. Select the application layer and choose Paste objects... on right mouse button
  6. Assign codes for VMERK and FARTSKLASSE to the lines that are relevant

Animations

You can create an animation that follows the road's centerline.

Select the icon for Animation along line definition on the toolbar when the render toolset is active.

Existing Utility Networks

You import existing utility networks, for example from Gemini VA to application layers. Currently you must go through the SOSI format.

Application layers have a separate presentation rule Pipe that you can use to visualize the utilities in 3D.

Designed Utility Networks

On the format menu you find the option Planning, design and execution options. Here you can set that VA data should be drawn as volumes in 3D view. Pipe diameter and manhole diameter are reproduced with correct size.

Regarding utility levels, note that the following is reflected in the sections:

  1. For stormwater and wastewater pipes (data type 101, 102, 106 and 107), the utility level indicates the internal bottom of the pipe.
  2. For water and pump pipes (data type 103, 104, 108 and 109), the utility level indicates the external top of the pipe.
  3. For render presentations, manholes are drawn with material ID 100, while pipes are drawn with material ID 101-110 (as the data type).

Building Excavation

You can visualize constructed building excavations in render mode. You can link the triangular networks (main and side networks) in each layer to render materials.

You can also visualize the different mass types. On the format menu you find the option Planning, design and execution options. Here you can also set that mass types should be drawn as volumes in 3D view.

You can also create more complex 3D views of interventions. You solve this by creating multiple presentation layers in the excavation and shifting these vertically in relation to the layer that should make the intervention.