Drone Mapping Services — Sioux City & Tri-State Region
High-resolution orthomosaics, 3D point clouds, digital elevation models, and topographic surveys for any project across Iowa, Nebraska, South Dakota, and Minnesota. Survey-grade accuracy without the survey-grade timeline.
Output formats
- Georeferenced orthomosaics (GeoTIFF)
- Dense 3D point clouds (LAS/LAZ)
- Digital Elevation Models (DTM/DSM)
- Contour lines & topographic maps
- 3D mesh models (OBJ/FBX)
- Compatible with AutoCAD, Civil 3D, ArcGIS, QGIS
What Is Drone Photogrammetric Mapping?
Drone photogrammetry uses overlapping aerial imagery and computer vision algorithms to reconstruct precise 3D models of the real world. The result is a suite of georeferenced spatial data products — orthomosaics, point clouds, elevation models, and meshes — that can be measured, analyzed, and imported into industry-standard engineering and GIS software.
Compared to traditional ground survey methods, drone mapping covers large areas in a fraction of the time. A 50-acre site that would take a two-person survey crew two days to measure can be captured by drone in a single morning flight — and the resulting dataset is often richer, covering every square foot rather than sampled spot elevations.
We serve a wide range of industries and project types — from engineering firms needing topographic data for design, to land developers tracking grading progress, to municipalities documenting infrastructure. If you need accurate spatial data about a site, we can map it.
Mapping Output Types
2D Orthomosaic
A geometrically corrected, photorealistic aerial map stitched from hundreds of overlapping images. Think Google Maps quality but captured on demand, at 2–5 cm resolution, for your specific site. Used for layout planning, documentation, and progress comparison.
3D Point Cloud
Millions of georeferenced 3D coordinate points representing the surface of the site. Exportable as LAS/LAZ for use in AutoCAD Civil 3D, Revit, Trimble, and other BIM/CAD platforms. Enables precise distance, area, and volume measurements.
Digital Elevation Model (DTM/DSM)
Raster elevation data representing either the bare ground surface (DTM) or the surface including all features like vegetation and structures (DSM). Used for drainage analysis, cut/fill calculations, grade verification, and hydrological modeling.
Topographic Contour Map
Contour lines generated from the elevation model at user-specified intervals (0.5ft, 1ft, 2ft, etc.). Standard output for engineering design, grading plans, and land development applications. Exportable as DXF/SHP for CAD/GIS import.
3D Mesh Model
Textured 3D mesh (OBJ/FBX/B3DM) suitable for visualization, presentations, and BIM workflows. Provides a photorealistic 3D representation of the site that can be shared, rotated, and measured in 3D.
How It Works
Flight to deliverables in 24–48 hours for most projects
Scope & Flight Planning
We confirm the area of interest, required accuracy, target coordinate system (e.g., Iowa State Plane), and deliverable formats. For projects requiring survey-grade accuracy, we discuss ground control point (GCP) placement. Airspace authorization is confirmed — most sites in the Tri-State area are straightforward, but we handle any FAA coordination needed.
Ground Control (If Required)
For survey-grade projects, we place and measure ground control points (GCPs) using RTK GPS before the flight. GCPs anchor the photogrammetric model to a known coordinate system, improving absolute accuracy from 5–10 cm down to 1–3 cm. For relative accuracy projects (progress monitoring, stockpiles), GCPs may not be needed.
Aerial Data Capture
Our FAA Part 107 certified pilot flies a systematic grid pattern with 70–80% image overlap, capturing hundreds to thousands of high-resolution images. Flight altitude is calibrated to achieve the target ground sample distance (GSD). Most sites up to 100 acres can be captured in a single flight.
Photogrammetric Processing & QC
Imagery is processed using photogrammetry software to reconstruct the 3D model, generate the orthomosaic, point cloud, and elevation products. We perform quality checks on spatial accuracy and coverage before packaging deliverables. Turnaround is 24–48 hours for most projects.
Delivery
All files are delivered via your secure client portal, organized by output type. We include a processing report noting the coordinate system, GSD achieved, and accuracy estimates. Follow-up support is available if you need help importing data into your specific platform.
What You Get
All files delivered to your client portal within 48 hours of flight
Orthomosaic (GeoTIFF)
Full-resolution georeferenced orthomosaic. Measurable in GIS software. Suitable for CAD import and presentation-quality reporting.
3D Point Cloud (LAS/LAZ)
Dense point cloud compatible with AutoCAD Civil 3D, Revit, Trimble, and standard GIS platforms. Classified where required.
Digital Elevation Model (GeoTIFF)
DTM and/or DSM raster products. Used for drainage, cut/fill, grade verification, and hydrological analysis.
Contour Lines (DXF/SHP)
Topographic contours at specified intervals, exportable as AutoCAD DXF or Shapefile for GIS. Standard engineering deliverable.
3D Mesh (OBJ/FBX) — Optional
Textured 3D mesh model for visualization, presentations, or BIM integration. Available as an add-on for any project.
Processing Report
Documents coordinate system, GSD achieved, accuracy estimates, GCP residuals (if applicable), and software version for reproducibility.
Starting From
All mapping projects are custom-quoted based on area, accuracy requirements, and deliverable set
2D Orthomosaic — Ag/Rural
- ✓ Georeferenced orthomosaic
- ✓ GeoTIFF + web-optimized PNG
- ✓ Processing report
- ✓ Client portal delivery
RGB imagery only — for non-agricultural land mapping. For crop health data, see our NDVI Agriculture packages.
Ortho + Elevation Model
- ✓ Orthomosaic + DTM/DSM
- ✓ Contour lines (DXF/SHP)
- ✓ GCP placement + RTK GPS
- ✓ Processing report
3D Model / Point Cloud
- ✓ Dense LAS/LAZ point cloud
- ✓ Orthomosaic + 3D mesh
- ✓ OBJ/FBX export
- ✓ Suitable for BIM/CAD
Additional Tiers
2D Orthomosaic — Commercial/Government: $14/acre (minimum $400)
Topographic Survey <5 acres: $950–$1,500 | 5–50 acres: $2,000–$5,500
Repeat Survey (same site): 15% off
Pricing scales with acreage, accuracy tier, and deliverable complexity. Travel surcharge may apply for locations >60 miles from Sioux City. Contact us for a project quote →
Drone Mapping vs. Traditional Surveying
- A traditional ground-based topographic survey of a 20-acre site typically costs $15,000–$25,000 and takes 2–3 weeks to complete. Drone mapping delivers equivalent outputs faster and at a fraction of that cost. — Drone LiDAR Mapping Co., 2025
- Drone surveys reduce quantity variance in volumetric calculations from 5% (traditional truck counts and interpolation) to as low as 1–3%, directly reducing material cost overruns. — Propeller Aero, 2025
Ready to Map Your Site?
Tell us the area, your required deliverables, and any accuracy or coordinate system requirements. We'll scope the project and get back to you within one business day.
Drone Mapping Questions
How accurate is drone photogrammetry compared to traditional survey?
With ground control points (GCPs) and RTK GPS, drone photogrammetry achieves 1–3 cm absolute horizontal accuracy and 2–5 cm vertical accuracy — comparable to traditional topographic survey for most engineering applications. Without GCPs, relative accuracy (object-to-object measurements within the dataset) is still excellent, but absolute positional accuracy degrades to 5–15 cm depending on flight altitude and drone GPS quality. We'll recommend the right approach based on your project tolerance and budget.
What coordinate systems can you deliver data in?
We can deliver data in any coordinate system you specify. Common requests include Iowa State Plane (North or South zone, NAD83), Nebraska State Plane, UTM Zone 14N, and WGS84. Vertical datum is typically NAVD88 (using geoid model correction). If your project requires a site-specific or arbitrary local coordinate system, we can accommodate that with appropriate GCP setup. Let us know your requirements at kickoff.
Can I use the point cloud directly in AutoCAD Civil 3D?
Yes. We deliver point clouds in LAS/LAZ format, which Civil 3D imports natively via the Point Cloud Manager. From there you can create surfaces, extract contours, calculate volumes, and run corridor design against the drone-derived terrain. We can also deliver the DEM as a raster that Civil 3D can import as a surface directly. If you need a specific Civil 3D surface format (TIN, grid), just let us know.
How large an area can you map in a single day?
At standard mapping altitudes (100–120m AGL) with 75% overlap, a single drone battery covers roughly 40–60 acres per flight. With multiple batteries and optimal conditions, we can typically map 300–500 acres in a full day. For larger projects, we plan multi-day campaigns or deploy multiple pilots. The limiting factor is usually weather and airspace, not the equipment — we'll discuss realistic scheduling during project scoping.