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The Huygens Surface Renderer

Enables the visualization of iso-surfaces of volumes



The Huygens Surface Renderer is a powerful 3D visualization tool that enables the visualization of isosurfaces of volumes. Starting from version 19.04, the Surface Renderer supports GPU acceleration. This greatly reduces render times. Note that the rendered results are identical between CPU and GPU, which enables dynamic switching. Due to the nature of the ray tracing algorithm, rendered surface images always show a certain amount of perspective. This means that objects farther away from the viewpoint appear smaller and that parallel lines converge.



Image Description:
The Huygens Surface renderer window showing a Widefield image of a kinetochore complex. Data courtesy of Dr. Livio Kleij, Medical Oncology, UMC Utrecht, The Netherlands.

Surface Render Window2


Add MIP projection

The highly customizable Surface Renderer is equipped with the option to add a MIP projection to the surface rendered scene.

Integrated Slicer

With the Surface Renderer it is possible to Slice through your 3D image and cut away surfaces with the integrated Slicer.

CPU + GPU acceleration

Starting from version 19.04, the Surface Renderer supports GPU acceleration. Greatly reducing render times! Note that the rendered results are identical between CPU and GPU, which enables dynamic switching.


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Surface Renderer Principle


SurfaceSchemePerspective


An isosurface is a 3D surface representation of points with equal intensities in a 3D stack. It is the 3D equivalent of a contour line. The isosurface envelops voxels with intensities above a certain threshold. If those voxels are distributed in groups that are not spatially connected, they will be considered and labeled as independent objects. Shading enhances the perception of 3D shapes and texture.





Image Description:
A schematic overview of surface rendering. The orientation of the surface determines the shading.


Adding a Maximum Intensity Projection


Alongside the surfaces a MIP projection of a specific channel can be added by selecting the MIP pipe. When the MIP pipe is used in combination with the surface pipes, a clearer representation can be obtained of the different objects in the image. In other words, the MIP of a channel can used as a spatial reference for the objects present in other channels.




Image Description:
The Huygens Surface renderer window showing a Widefield image of a kinetochore complex. The added MIP projection provides a spatial reference for the objects present in other channels. Data courtesy of Dr. Livio Kleij, Medical Oncology, UMC Utrecht, The Netherlands.

Surface Renderer MIP







Rendering a movie


The Huygens Movie Maker allows you to create sophisticated animations using the MIP, SFP and Surface renderers. However, the Surface Renderer can also create simple animations on its own by transitioning between two custom keyframes.

Movie Description:
Animated Surface Rendering of an isolated Rat Hepatocyte couplet recorded by Dr. Permsin Marbet at the Department of Anatomy, University of Basel, Switzerland, in the lab of Prof. Lukas Landmann.


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Contact Information

Scientific Volume Imaging B.V.

Laapersveld 63
1213 VB Hilversum
The Netherlands


Phone: +31 (0)35 64216 26
Fax: +31 (0)35 683 7971
E-mail: info at svi.nl

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