Wide aerial view of the Hamlin / Horizon West study area in Winter Garden, FL, showing the residential corridor, Highway 429, and the surrounding master-planned community that was captured for the photogrammetry project

Case Study · 3D Modeling

Photogrammetry Ground Truth for a 2,161-Acre Master-Planned Community in Winter Garden, FL

A textured 3D mesh, an orthomosaic, and a point cloud delivered to a creative studio building an interactive sales center experience for a developer client. Two-zone flight across 2,161 acres, with high-resolution coverage of the highway corridor and retail frontages the developer needed to feature.

Client

d3 Creative Studio

Location

Winter Garden, FL

Site

2,161 acres

Year

2026

The Project

d3 Creative Studio was building an interactive 3D experience for a developer's sales center in the Orlando area. The experience needed source photogrammetry that could be imported into Unreal Engine 5 and used as the ground truth for hotspot-driven viewpoint rendering. The captured area had to blend seamlessly with the open-source photogrammetry d3 was stitching in for the horizon, so the edge of our capture had to be geometrically clean.

The deliverable was not for a static website render. It was for an interactive experience where users would tap a hotspot, see retailer signage from that viewpoint, and read the result convincingly. The texture quality and the geometry had to hold up at conversation distance, not billboard distance. That was the bar from the first call.

The Brief

The capture had to cover the Highway 429 corridor through the site, the adjacent retail frontages, and the residential neighborhoods visible from the highway. Outside the captured area, the d3 team planned to stitch open photogrammetry for the horizon view, so the boundary of our capture had to read as seamless when the two datasets met.

Highway 429 corridor through the Hamlin / Horizon West study area, with the interchange, retail frontages, and adjacent residential neighborhoods visible — the area the developer wanted featured in the interactive sales center experience

Highway 429 and the surrounding corridor. The combination of interchange, retail, and adjacent residential is the area the developer wanted featured in the interactive experience.

The Area

Horizon West is a master-planned community in southwest Orange County, Florida, covering roughly 20,700 acres across five mixed-use villages and a town center, surrounded by designated greenbelts. The concept was adopted in 1995, and the area is now the fastest-growing community in unincorporated Orange County. The highway corridor that runs through it, State Road 429, is the main spine for residential growth, retail frontage, and the supporting infrastructure that connects new development to the rest of the Orlando metro.

Active construction is ongoing across multiple villages. New residential phases break ground on a regular cadence, retail and commercial frontages expand as households move in, and the supporting road and utility work happens in parallel. For a developer or creative studio planning an interactive sales experience, a stakeholder presentation, or a marketing launch for a community in this area, the photogrammetry capture has to happen while the site is in motion, not after it is finished. The 2,161-acre scope we captured for this project is one of the larger captures in a master-planned setting, and it is the kind of scope that pays for itself when the photogrammetry is shipped to the right downstream pipeline.

Source: Orange County Government, Horizon West Planning Area.

The Approach

The flight plan was two-zone. High-resolution coverage over the roads, bridges, buildings, and retail frontages nearest the highway. Medium-resolution coverage over the outer ring where the geometry was being used for context and orientation, not for hotspot viewpoints. The center of the site was omitted entirely. That area was set to be full CGI in the final experience, so flight time and processing power were focused on the parts the photogrammetry actually needed to cover.

Two days of flying across the full site produced the source imagery. The dataset was processed into a tiled 3D model, an orthomosaic, and a point cloud, all geometrically aligned to the same coordinate system so they could be used together or independently downstream.

Active construction zone inside the Hamlin / Horizon West study area at the time of the photogrammetry flight, showing exposed earth, partial foundations, and equipment alongside finished residential

One of the active construction zones inside the site at the time of the flight. Capturing during active development gave the interactive experience a realistic current-state representation.

The Deliverable

The full dataset, delivered in the formats the d3 team needed for Unreal Engine 5 and any secondary uses they might pursue. A textured 3D mesh, an orthomosaic, and a point cloud, all hosted on a private browser-based viewer for stakeholder access across the project team.

The same Hamlin / Horizon West site rendered in the photogrammetry viewer, showing the residential corridor, road network, and the textured geometry that was imported into Unreal Engine 5 for the developer's interactive sales center experience

The same site, in the photogrammetry viewer. The geometry, the textures, and the road network are all directly usable in UE5.

Textured 3D Mesh

FBX with textures as the primary deliverable, plus OBJ and MTL with auto-generated texture maps. The mesh was imported directly into Unreal Engine 5 without additional cleanup.

Orthomosaic

Geometrically corrected, flat top-down image of the full site. Used as the base map for any 2D presentation needs and as a reference layer in the 3D pipeline.

Point Cloud

Dense point cloud of the captured area. Useful for additional measurement, for additional modeling in another pipeline, and for any quantitative analysis the developer team wanted to run.

Private Browser Viewer

The full model hosted on a private viewer for stakeholder access. Anyone on the project team can orbit, zoom, and pull measurements without specialized software or a multi-gigabyte download.

The Outcome

Delivered Inside the Deadline

The developer had a hard deadline tied to the lease signing and the sales center opening. The full dataset was captured, processed, and delivered with runway to spare for the d3 team to build the interactive experience on top.

Geometry That Imported Cleanly

The FBX and OBJ files were usable in Unreal Engine 5 without additional cleanup. The orthomosaic and point cloud were also delivered for any secondary uses the team decided to pursue.

A Sales Tool Before Anyone Set Foot on Site

The interactive experience means a prospect can stand on a virtual Highway 429 overpass, tap a hotspot, and see what the retailer signage would look like from that specific viewpoint. That is the job the photogrammetry was hired to do.

Project Credit

Aerial capture and processing by Skyland Pixels. Interactive experience design by d3 Creative Studio.

Frequently Asked Questions

What is photogrammetry used for in commercial development projects?

Aerial photogrammetry turns a series of overlapping aerial photos into a textured 3D model, an orthomosaic, and a point cloud of the captured area. For commercial development projects, the most common uses are interactive sales center experiences, marketing imagery, master planning basemaps, construction progress documentation, and ground-truth source data for downstream visualizations built in Unreal Engine, Unity, or arch-viz pipelines.

How does open-source photogrammetry stitching work with edge capture?

For large-scale projects, the captured area is often only part of the final experience. The creative team can stitch open or lower-resolution photogrammetry models in for the horizon view beyond the captured area. The edge of the high-resolution capture has to be geometrically clean so the two datasets blend without a visible seam. That is why the flight plan, the altitude selection, and the photo overlap matter at the perimeter of the capture, not just in the middle.

Why deliver the model in a browser-based viewer instead of raw files?

A textured 3D mesh of a multi-thousand-acre site can easily reach 10 GB or more. Sending that as a download means the recipient needs specialized software, the disk space to hold it, and the time to open it. A browser-based viewer lets any stakeholder on the project team orbit the model, zoom to a specific feature, and pull measurements without installing anything. The raw files are still available for the team that needs them; the viewer is for everyone else.

What is the difference between a visual-quality photogrammetry model and a survey-grade one?

A visual-quality photogrammetry model is optimized for texture fidelity and visual representation at the viewing distances the final experience will use. A survey-grade model is optimized for geometric accuracy to a stated tolerance, typically with ground control points surveyed by a licensed surveyor. Visual-quality is the right choice for sales center experiences, marketing, and stakeholder presentations. Survey-grade is the right choice for engineering, boundary determination, and design-grade elevation work. They are different deliverables with different costs, equipment, and turnarounds.

How long does a 2,000+ acre photogrammetry project take from booking to delivery?

It depends on the scope, the site, the time of year, and the processing pipeline. The d3 Creative Studio project we shipped for Hamlin / Horizon West was a 2,161-acre capture that flew in two days and was delivered to the d3 team ahead of the developer deadline. For a comparable scope, on-site capture is typically 1-3 days of flying plus preflight planning. Processing time depends on the dataset size, the desired output quality, and the processing pipeline. We confirm timelines scope-by-scope before booking.

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