Engineering Commons^™

Physically Based Rendering Techniques To Visualize Thin-Film Smoothed Particle Hydrodynamics Fluid Simulations, Aditya H. Prasad

Dartmouth College Undergraduate Theses

This thesis introduces a methodology and workflow I developed to visualize smoothed hydrodynamic particle based simulations for the research paper ’Thin-Film Smoothed Particle Hydrodynamics Fluid’ (2021), that I co-authored. I introduce a physically based rendering model which allows point cloud simulation data representing thin film fluids and bubbles to be rendered in a photorealistic manner. This includes simulating the optic phenomenon of thin-film interference and rendering the resulting iridescent patterns. The key to the model lies in the implementation of a physically based surface shader that accounts for the interference of infinitely many internally reflected rays in its bidirectional surface …

Pomegranate: Procedural 3d Tree Creation Via User-Defined L-Systems, Jeremy Berchtold

Computer Science and Software Engineering

Pomegranate creates procedural 3D trees based on a user-specified template. The template supports randomness and allows users to generate an entire forest of unique trees from a single template. The output trees are a single closed mesh without intersecting geometry (with the exception of leaves). Additionally, the output contains a skeletal rig used for animating the trees. Pomegranate produces textured trees that can use either a realistic or stylized look, as well as supporting different mesh densities for games or film. Since this project uses a procedural workflow, artists can quickly create and make edits to their trees. This increase …

Dynamic 3d Network Data Visualization, Brok Stafford

Computer Science and Computer Engineering Undergraduate Honors Theses

Monitoring network traffic has always been an arduous and tedious task because of the complexity and sheer volume of network data that is being consistently generated. In addition, network growth and new technologies are rapidly increasing these levels of complexity and volume. An effective technique in understanding and managing a large dataset, such as network traffic, is data visualization. There are several tools that attempt to turn network traffic into visual stimuli. Many of these do so in 2D space and those that are 3D lack the ability to display network patterns effectively. Existing 3D network visualization tools lack user …

The Effects Of Latency On 3d Interactive Data Visualizations, Allen Korenevsky

Master's Theses

Interactive data visualizations must respond fluidly to user input to be effective, or so we assume. In fact it is unknown exactly how fast a visualization must run to present every facet within a dataset. An engineering team with limited resources is left with intuition and estimates to determine if their application performs sufficiently well.

This thesis studies how latency affects users' comprehension of data visualizations, specifically 3D geospatial visualizations with large data sets. Subjects used a climate visualization showing temperatures spanning from the 19th to the 21st century to answer multiple choice questions. Metrics like their eye movements, time …

'Fo Fighter: 2d Real-Time Game, Cary Dobeck

Computer Engineering

‘FO Fighter is a 2D real-time game for Android and iOS mobile devices. The game utilizes the motion sensors and touch screens built within these devices to give the player a great amount of control over their character’s position and firing direction. This control allows for a reactive environment set in outer space, where gravity is determined by the device’s orientation, while the player must dodge, fight and destroy multiple enemy fighters on each planet in the solar system. ‘FO Fighter has been tested throughout its development cycle on numerous devices on both the Android and iOS platforms, with testers …

G Boots: A Real-Time 3d Puzzle Video Game Graphics Senior Project, Zachary Glazer

Computer Science and Software Engineering

G Boots is a real-time 3D puzzle video game. It uses OpenGL, using GLSL for shaders, in order to implement cross platform support of advanced rendering and shading techniques. A level editing system was implemented so that anyone can make or edit levels that can then be played in the game. At the end of two quarters of development by a single developer, one polished proof of concept level was created using the level editing system in order to show the feasibility of the project.

Real Time Rendering Engine, Kevin Ubay-Ubay

Computer Engineering

Entertaining and playable content in computer graphics requires real time rendering. Real time rendering essentially demands that frames need to be rendered within milliseconds in order to deliver an interactive experience for the client. Video games are an example of such a medium that needs real time rendering. Without frame rates in the realm of real time, video games cannot deliver an enjoyable experience. Behind virtually every video game is an engine. The architecture of video game engines usually comprises of sub engines that are specifically designed to handle physics, audio, user input and rendering. The purpose of this project …

A Novel Synergistic Diagnosis Methodology For Identifying Abnormalities In Wireless Capsule Endoscopy Videos, Alexandros Karargyris

Browse all Theses and Dissertations

Wireless Capsule Endoscopy (WCE) is a new technology that allows medical personnel to view the gastrointestinal (GI) mucosa. It is a swallowable miniature capsule device the size of a pill that transmits thousands of screenshots of the digestive tract to a wearable receiver. When the procedure finishes the video is uploaded to a workstation for viewing. Capsule Endoscopy has been established as a tool to identify various gastrointestinal (GI) conditions, such as blood-based abnormalities, polyps, ulcers, Crohn's disease in the small intestine, where the classical endoscopy is not regularly used.

As of 2009 the market is dominated by Given Imaging …

Anaglym: A Graphics Engine Providing Secure Execution Of Applications, Josh Holtrop

Culminating Experience Projects

"The Anaglym graphics engine uses the Lua programming language as the high-level language in which to interpret Anaglym applications. Applications running inside Anaglym are Lua scripts that have a particular environment exposed to them. By default, when Lua is embedded inside a C or C++ host application, no Lua functions are available to the hosted script. Lua functions must be exported by the host environment to be callable by a Lua script."