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3D VIEW

The 3D view is used to visualize your scenes in 3D. At the top is a toolbar that allows you to perform certain actions. An overview of the toolbar elements is given in the table below. Each action is explained in more detail in the sections below.

HemoVision's 2D View.
Icon Description
Select icon Transform mode
Sticky icon Show / hide grid
Stain icon Reset camera position
Orientator icon Toggle projection mode (projective by default)
Trjaectory icon Show / hide scene rotation point (off by default)
Label icon Take screenshot
Export icon Show / hide marker labels

Interactions

You can interact with the 3D view in the following ways:

  • Scroll wheel: zoom in and out
  • Left click and drag: rotate the scene
  • Right click and drag: drag the scene
  • Double click on object: place the scene's rotation point at that location

You can also quickly switch between different viewpoints (e.g. top, front, ...) by clicking the faces, edges, or corner of the orientation cube at the top-left of the 3D view.

Actions

Object Transform Mode

When selecting an object that can be moved in the 3D view, the 3D transform widget will appear. You can use this widget in two different modes:

Icon Description
Select icon Global transform: The transform widget's axes will remain aligned with the world axes.
Sticky icon Local transform: The transform widget's axes will remain fixed in the objects frame of reference.

Projection Mode

The 3D view can display your objects in two different ways:

Icon Description
Select icon Projective: Projective projection (also called perspective projection) simulates how objects appear to the human eye or a camera. Objects that are farther away appear smaller, and parallel lines may appear to converge toward a vanishing point. This projection is commonly used for realistic visualization of 3D scenes.
Sticky icon Orthographic: Orthographic projection represents objects without perspective distortion. Parallel lines remain parallel, and objects maintain the same scale regardless of their distance from the viewer. This projection is useful for measurements, technical analysis, and accurate spatial inspection.

Taking Screenshots

You can take screenshots of your 3D scene using the corresponding action in the 3D View's toolbar. Once clicked, you can choose one of two options:

  • Save as file: this option will allow you to specify a filename and location and export the image to your system.
  • Add to project: this option will add the screenshot to your project as an object. The screenshot will be included in automatically generated reports.

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