Terrain Modeling & Elevation Data
Detailed terrain models, elevation data, and contour maps generated from high-resolution aerial imagery. Accurate topographic intelligence for construction planning, land development, grading, and property assessment throughout Southern Arizona.
Understanding terrain is fundamental to any construction, development, or land management project. Traditional ground surveys are slow, expensive, and limited in scope. Drone-based topographic mapping captures thousands of data points per acre in a fraction of the time, producing detailed surface models that reveal every grade change, drainage path, and elevation feature across your site.
Our 100-megapixel camera system, combined with automated photogrammetric flight planning, generates dense point clouds from overlapping aerial imagery. These point clouds are processed into Digital Surface Models (DSMs), Digital Terrain Models (DTMs), contour maps, and orthomosaics that integrate directly into CAD and GIS workflows used by engineers, architects, and land planners.
Whether you need pre-construction grading data for a new development in Sierra Vista, volumetric calculations for a mining or excavation site, or terrain analysis for a ranching operation in the Sulphur Springs Valley, we deliver survey-grade data that saves time and money compared to traditional methods.
Every engagement is tailored to your objectives. Here is what you can expect.
High-density 3D surface models that capture every feature on the ground — buildings, vegetation, terrain, and structures. DSMs provide the raw elevation data needed for visibility analysis, flood modeling, and site planning.
Filtered ground-level elevation models with vegetation and structures removed. DTMs reveal the true topography of the land surface, essential for grading design, drainage planning, and cut-and-fill calculations.
Precise contour lines generated at custom intervals (1-foot, 2-foot, 5-foot, or metric) overlaid on orthorectified imagery. Contour maps integrate directly into AutoCAD, Civil 3D, and other engineering design platforms.
Accurate stockpile volume measurements, cut-and-fill estimates, and material quantity calculations derived from before-and-after surface models. Critical for earthwork contractors, mining operations, and construction project managers.
Centimeter-accurate 2D aerial maps stitched from hundreds of overlapping images. These true-to-scale maps serve as a base layer for engineering drawings, property assessments, and planning documents.
Automated slope gradient maps and drainage flow analysis derived from elevation data. Essential for stormwater management design, erosion control planning, and identifying areas prone to water accumulation.
From consultation to final delivery, every project follows a proven workflow.
We review your project requirements including accuracy needs, area of coverage, and deliverable formats. For highest accuracy, we establish ground control points (GCPs) across the site using survey-grade GPS coordinates.
Our pilot flies a precise grid pattern at the altitude optimized for your accuracy requirements, capturing hundreds of high-overlap images (75%+ frontal and side overlap). The 100MP camera ensures each pixel covers the smallest possible ground area.
Raw imagery is processed through professional photogrammetry software to generate dense point clouds, surface models, and orthomosaics. Ground control points are applied to georectify the data to real-world coordinates.
Final deliverables are produced in your requested formats (DWG, DXF, GeoTIFF, LAS, OBJ). All data undergoes accuracy verification against ground control before delivery. We provide technical support to ensure smooth integration with your existing workflows.
Drone-based topographic mapping delivers the elevation data you need in days, not weeks. Contact Stronghold Precision Aerials to discuss your project requirements and receive a custom quote.