Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Volumes of Solids of Revolution01:29

Volumes of Solids of Revolution

Volumes of irregularly shaped objects can be systematically determined using the concept of solids of revolution. This approach begins with a region defined by a curve in a two-dimensional plane. When this region is rotated about a fixed line, known as the axis of revolution, it generates a three-dimensional object with rotational symmetry. Such objects frequently arise in mathematical modeling, physics, and engineering applications.When the region being rotated lies directly against the axis...
Theorems of Pappus and Guldinus: Problem Solving01:12

Theorems of Pappus and Guldinus: Problem Solving

Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For example, consider a cylindrical storage tank with a conical top. Finding the surface area or volume can be challenging for such complex shapes. These theorems are particularly useful in calculating the volume and surface area of such systems. Here, the cylindrical storage tank with a conical top can be broken down into two simple shapes: a cylinder...
Gravity between Spherical Bodies01:27

Gravity between Spherical Bodies

Newton's law of gravitation describes the gravitational force between any two point masses. However, for extended spherical objects like the Earth, the Moon, and other planets, the law holds with an assumption that masses of spherical objects are concentrated at their respective centers.
This assumption can be proved easily by showing that the expression for gravitational potential energy between a hollow sphere of mass (M) and a point mass (m) is the same as it would be for a pair of extended...
Spherical Coordinates01:23

Spherical Coordinates

Spherical coordinate systems are preferred over Cartesian, polar, or cylindrical coordinates for systems with spherical symmetry. For example, to describe the surface of a sphere, Cartesian coordinates require all three coordinates. On the other hand, the spherical coordinate system requires only one parameter: the sphere's radius. As a result, the complicated mathematical calculations become simple. Spherical coordinates are used in science and engineering applications like electric and...
Gauss's Law: Spherical Symmetry01:26

Gauss's Law: Spherical Symmetry

A charge distribution has spherical symmetry if the density of charge depends only on the distance from a point in space and not on the direction. In other words, if the system is rotated, it doesn't look different. For instance, if a sphere of radius R is uniformly charged with charge density ρ0, then the distribution has spherical symmetry. On the other hand, if a sphere of radius R is charged so that the top half of the sphere has a uniform charge density ρ1 and the bottom half has a uniform...
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Characterisation and comparison of Mycoplasma bovis strain types from Irish and Scottish bovine isolates in a global context.

Veterinary microbiology·2024
Same author

The Role of Speech and Language Therapy in Assessing and Managing Pharyngo-esophageal Diverticula.

Irish medical journal·2016
Same author

Organ donation following the circulatory determination of death (DCD): an audit of donation and outcomes following renal transplantation.

Irish medical journal·2014
Same author

External fluorescence retention of calcein-marked juvenile brown trout Salmo trutta raised in natural and artificial environments.

Journal of fish biology·2013
Same author

Non heart beating organ donation in adults: a clinical practice guideline.

Irish medical journal·2013
Same author

An evaluation of the Cortrak Enteral access system in our intensive care.

Irish medical journal·2012

Related Experiment Video

Updated: May 29, 2026

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production
07:46

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production

Published on: March 27, 2017

Decomposition of three-dimensional objects into spheres.

J O'Rourke1, N Badler

  • 1Department of Computer Science, Moore School of Electrical Engineering, University of Pennsylvania, Philadelphia, PA 19104.

IEEE Transactions on Pattern Analysis and Machine Intelligence
|August 27, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces algorithms for converting 3D object data between surface and volume representations, enabling better graphical display and analysis. These methods generate spherical representations from outlines or points, avoiding discrete space errors.

More Related Videos

Three-Dimensional Reconstruction of Orbital Fractures
08:18

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

Related Experiment Videos

Last Updated: May 29, 2026

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production
07:46

An Efficient and Flexible Cell Aggregation Method for 3D Spheroid Production

Published on: March 27, 2017

Three-Dimensional Reconstruction of Orbital Fractures
08:18

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

Area of Science:

  • Computer Graphics
  • Computational Geometry
  • 3D Modeling

Background:

  • Converting between 3D object representations is crucial for various applications.
  • Existing methods may introduce errors due to discrete space approximations.

Purpose of the Study:

  • To develop algorithms for converting 3D object representations.
  • To enable conversion from surface data (outlines, points) to a spherical volume representation.
  • To facilitate graphical display and further data processing.

Main Methods:

  • Algorithms for converting cross-section outlines to surface points.
  • Algorithms for converting surface points to overlapping spheres.
  • Utilizing real coordinate systems to avoid quantization errors.

Main Results:

  • Successful conversion from surface representations to a spherical volume representation.
  • Demonstrated utility of spherical representation for graphical display.
  • Enabled computation of the object's symmetric surface (3D analog of Blum's symmetric axis).

Conclusions:

  • The presented algorithms offer a robust method for 3D object representation conversion.
  • Spherical decomposition provides a valuable intermediate representation for graphics and analysis.
  • The use of real coordinates ensures accuracy and avoids discretization artifacts.