Interact with 3D models - HxGN AEC Project Viewer - Version 5.0 U2 (5.0.2) - Help

HxGN AEC Project Viewer Help

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SHARED Tip If project models are large, they might be slow or even crash if you don't have enough browser memory. For more information, see Hardware and Software Requirements.

When you add model files to a project in HxGN AEC Project Viewer, the model is rendered in the 3D space. You can use the 3D controls on the toolbar to choose what you see and to navigate through the 3D space. For example, you might want to see only certain elements, have a closer look at a section of the model, move the model to see a different section, and rotate the model to see the section in a different angle.

Use this 3D control

To do this


Select one or more model elements. Use Multi-select to select multiple model elements.

Freely rotate the 3D model.

Rotate the 3D model about a selected point. However, you can only rotate the model 120ยบ about the elevation or the Z-axis.

Hide, isolate, focus, or view properties of a model element using the context toolbar. For help using the context toolbar, see Hide, isolate, view properties of a 3D model element.


Select overlap

Draw a box and select model elements that are completely inside the box as well as partially inside.

Select inside

Draw a box and select only the model elements that are completely inside the box.



Zoom in and out of the model. Use the mouse scroll wheel. Scroll-up to zoom in, and down to zoom out.

Zoom area

Zoom in to focus on a specific area. To zoom in, draw a box around the area.

Reset view

Restore the 3D model view to its initial state.

Clipping box


Click any face of the clipping box and move it in or out to modify the model view.

  • Click Turn on clipping box to enable the clipping box. Click again to disable it.

  • Click Reset clipping box to restore the 3D model and clipping box.

For help using clipping box, see Slice the 3D model using clipping box.

Measurement tools

Click one or more points on the 3D model to measure distance, angle and to get coordinates of a point.

For help using the measurement tools, see Get coordinates and take measurements in the 3D model.

2D minimap

Click to get a quick bird's eye view of the 3D model, which will help you avoid getting lost while navigating complex 3D models. The camera glyph's position changes dynamically to mimic your viewing angle.

  • You can move the minimap window anywhere within the 3D space for your convenience.

  • Use X-ray to make any objects or obstacles that would normally block your view as transparent.

  • Use Expand to expand the 2D minimap.

Load model files

Choose which model files are loaded in the browser now, and which files are loaded automatically anytime you open the project. Choosing fewer files can help the model load and respond faster.

For help selecting model files, see Choose which model files to load.


Click to see all the hidden model elements. This option is available only when you isolate or hide model elements.


View only the elements that you want to work with and hide the remaining elements.

For help using filters, see Filter 3D models.

Transparency slider

Drag the slider handle either towards right or left to adjust the transparency of the 3D model elements.


Grids can be linear, circular or radial.

You can see grids in the 3D model only if the model file has them.

SHARED Tip To turn off the grids, on the 3D controls toolbar, click Settings and then clear the Show grids check box.

Floating grid labels


View grid labels even when you zoom in to the model.

This control is available only if the 3D model has grids with labels.

How do I see the properties of a 3D model element?

  1. Select and right-click the model element.

  2. From the right-click menu, select Properties.

    You can see all the properties related to that model element on the properties panel and also any attachments such as drawings or photos.

How can I adjust the transparency of the 3D model?

You can adjust the transparency of the 3D model in two ways.

Using the main transparency option on the 3D space

On the 3D space, use the global Transparency option that affects the overall transparency level across all model files within the 3D space. This option acts as a foundational setting.

Using the transparency option within model filters

For more precise control over transparency on individual model files, use the transparency filter option on each model file.

  1. On the 3D controls toolbar at the bottom, click Filter .

  2. On the Files tab, locate the model file.

  3. Hover the mouse on the transparency option .

  4. Drag the slider handle either towards right or left to adjust the transparency.

The transparency settings within the model filters become active only when the Model filters panel is open. When you close the Model filter panel, the global transparency will override the filter transparency settings.

How can I select multiple elements in the 3D model?

You can isolate, focus, create an issue, or perform other actions on multiple model elements at one time. To do so:

  1. Select Control while clicking each element you want to select.

  2. Right-click the 3D model.

  3. Click Select Highlighted.

All the highlighted elements are now selected.