Astromaterials 3D Explorer

Sample
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Every Rock has a Story
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High-Resolution Precision Photography (HRPP)
image of rock being photographed The HRPP process creates the images of the rock’s surface. Each of the hundreds of photographs taken per rock were captured by hand using custom-designed equipment inside a nitrogen cabinet in the cleanroom laboratories—no 3D-scanner was used for the exterior model. 360-degree photosets were taken at 7.5- or 15-degree rotations on both hemispheres of the rock at 0, 15, 30, 45, and 60-degree elevations.
 
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Photography
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Structure-From-Motion Photogrammetry (SFM)
The SFM process is used to produce the 3D mesh of the rock’s exterior surface from the HRPP using photogrammetric principles. The rock’s texture is derived from HRPP and mapped to the mesh resulting in photorealistic color.
 
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Micro X-ray Computed Tomography (XCT)
The XCT images allow you to look inside the rock itself, where the brightness variation of textural features you see is related to density and composition. For example, the bright tones would indicate metal or metal-rich features and the darker tones would indicate silica-rich features. Interior black features are voids.
 
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Raw XCT Imagery
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Micro X-Ray Computed Tomography

Cut into the rock from three different orientations to reveal X-Ray CT imagery of the rock's interior.

Slice Orientation and Position

Use your mouse to drag the sliders below. Release the mouse for full resolution imagery.

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Details

Make fine selection changes with +- and open high resolution slice imagery.

View XCT Planes
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View

Select a XCT scan orientation or nudge the view using the arrows.

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Pins
NASA Pins Custom Pins

The following pins were selected by NASA curators to showcase interesting features for each sample. Click the corresponding view button to locate each pin.

Pin, comment on, and share points of interest within the sample. Click the corresponding view button to view each pin after creation.