This animation of Arlington Memorial Bridge highlights its structural components and shows how the bridge once functioned as a draw bridge, specifically a two-leaf bascule span.  The bridge last opened in 1965.

Working from historic blueprints, I completed the 3D model in AutoCAD and 3dsMax. The final animation was produced in 3dsMax and After Effects. Animating the drive gears in Max was a fun challenge. My coworker Ashley Walker created a large portion of the initial AutoCAD model which was handed off to me for completion and animation.  

Click the image to play the animation.

For this project for Carlsbad Caverns National Park, we documented a historic winding staircase that was part of the original visitor's trail within the cavern. Deteriorating and slated for removal, the stairway needed to be documented before it was destroyed. 

The stairway was captured from eleven scan positions and HDR panoramic photography was used to color the pointcloud. The flytrough of the pointcloud shown on this page was completed in Bentley Pointools. I also experimented with making a panorama from one of the spots on the stairs that could be explored in-browser using the javascript library three.js  The cube environment of a position on the stairway that can be seen here.  

John Wachtel and I spent three days on site at the St. Michael's Maritime Museum laser scanning the Edna Lockwood with a Leica C10. The museum was in the process of restoring the ship and needed accurate drawings of the timber that was to be replaced. We split the 3D modeling work and crafted the 3D model in 3dsMax. We imported the pointcloud data directly into 3dsMax and built patch surface networks and spline cages over the pointcloud. From the 3D model,  we were able to provide the museum with accurate specifications of the nine hull logs, information they used to source replacement timber.

This virtual tour of Totem Trail Walk, Sitka National Historical Park, Sitka, Alaska, displays several totem poles and provides a description of the history of each totem pole.

The 360° photography was taken using a Nikon 7100 with a fish-eye lens, and a Nodal Ninja bracket. The photos were stitched in PTGui.  I built the user interface using javascript and XML (krpano code) on top of PanoTour Pro.

Visit the current version of the virtual tour here or by clicking on the first image. An interactive pointcloud of Frog totem pole can be seen here. 

I was part of a two person team that documented the Shelby Cobra Daytona CSX 2287 for the Historic Vehicle Association. It is one of six cars built in Carroll Shelby's garage in Venice, CA and is now part of the Simeone Museum in Philadelphia, PA. It is the first vehicle to be added to the HAER collection. 

I created the patch surface model of the car, shown in the third image, in 3dsMax. The 3D model was created by closely following the contours of the pointcloud.

This virtual tour allows online visitors to experience a site located in Simi Valley, California where NASA tested rockets used for space exploration and missile defense.  An online visitor can move through the site by exploring any of the  over two-hundred 360° panoramic photos we took on-site. Each rocket test stand has a corresponding 3D model that can be entered and explored.  Additionally, a map shows the user where they are currently located and a radar points in the direction they are facing at any time.  

Most of the code for this single page app is javascript. The interactive site map was made using Leaflet.js. The panos are rendered using krpano and the models are displayed through Sketchfab.  

https://www.nps.gov/hdp/exhibits/ssfl/SSFL_index.htm

This virtual tour allows an online visitor to view La Paz located in Keene County, California, a landscape closely connected  to the life and work César E. Chávez. The 360° photography was taken using a Nikon 7100 with a fish-eye lens, and a Nodal Ninja bracket. This tour was developed for the César E. Chávez National Monument.  

The photos were stitched in PTGui.  I built the user interface using javascript and XML (krpano code) on top of PanoTour Pro.

Explore the tour by clicking here or the first image.  

Professor Matthew Pavesich, Georgetown University, collects and curates a database of DC flag adaptations, their locations, and characteristics. More information about his work relating to the DC flag be found on his site dc/adapters.  

I am developing this map with him to show how the data can be visualized in various ways. In the future, there will be a filter function added to display data by tags. A direct link to the map can be accessed here.

The map was created using Leaflet.js and importing the data in geojson format. 

After scanning the interior of this church I produced a 3D model of the roof trusses to aid in the drawing of a section plan. The church and rectory were scanned using a Leica ScanStation2, panoramic HDR  photography, and hand measuring in July 2013. 

The furniture was removed for unobstructed scanning of the architecture, but much of the ornamentation remains. Of particular note is the iconostas, the separating wall that holds several paintings. It was fabricated in Russia in 1893 and shipped across the Pacific to Juneau. The church was built in 1893-94. The iconostas and interior can be seen in the pointcloud flythrough. 

These drawings document ruins of canal locks that remain from the earliest era of the Erie Canal. They were discovered beneath industrial buildings in Cohoes, New York. The color map was finished in Adobe Illustrator. Additional locks were located using a handheld Trimble GPS unit and imported into ArcGIS.  Historic maps were consulted to produce the conjectural view of what the locks once looked like and to draw the patterns of development in the area over time. Laser scan data provided the information needed to complete the longitudinal section of the lock ruins  beneath the buildings. 

I was part of a team tasked with documenting the Western Maryland Railway section through the Paw Paw bends. We used a Leica ScanStation2 and imported the pointcloud into AutoCAD to provide dimensional information for our drawings.

The color map was created using aerial LiDAR imported into AutoCAD Map3D. It was annotated and finalized in Adobe Illustrator.

Large-format aerial photograph by HAER photographer Jet Lowe, 2011. 

I was part of a HAER team that documented numerous covered bridges located throughout the US. We built multiple 3D models that illustrate the various truss types found in covered bridges. 

The fly-through is of a model I produced of the West Union Bridge. Most of the timber elements were made in AutoCAD, while the stone abutment is a mesh produced in 3DSystems GeoMagic. The topography is from scan data collected in the field, removed of foliage in LASTools and smoothed in 3dsMax. The animation was completed in 3dsMax.

More documentation of covered bridges and other historic sites can be found online at the HABS/HAER/HALS Collection at the Library of Congress. The collection can be accessed online here.