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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

From: Visualization of the morphology and mode of occurrence of Cenomanian rudists within a drillcore by X-ray CT scanning and 3D modeling

Fig. 3

Flow chart of the X-ray CT image analysis conducted in the present study.

Two steps of image analysis were conducted for rudists in the studied core. Step 1 was visual observation of rudists at the core surface (A). Step 2 included direct observation (1, B) and processing of X-ray CT images of rudists in the core interior. To understand rudist morphology and spatial configuration, two techniques were adopted for X-ray CT image processing: surface rendering (2) and volume rendering (3) (further details of the surface rendering and volume rendering are provided in Additional file 1: Document S1). From the results of the surface rendering, one 3D-printed model was made (4). By integrating all results, we visualized the morphology and mode of occurrence of the rudists

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