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What Is an Orthomosaic Map—and Why Builders and Site Teams Use It

An orthomosaic is one of the most useful deliverables in aerial mapping because it’s simple: a high-resolution, measurable map created from drone imagery. For builders, site teams, and land development work across the Comox Valley and Vancouver Island, an orthomosaic can reduce confusion, improve coordination, and provide a clean baseline for planning.

What is an orthomosaic (in plain English)?

An orthomosaic is a stitched aerial image corrected for distortion so it behaves like a map. That means it’s ideal for:

Viewing layout and context
Comparing progress over time
Marking up areas for planning and coordination
Creating clear visuals for reporting

Where orthomosaics help most

Builders and site development

Planning staging areas and access routes
Communicating site layout changes
Documenting progress for stakeholders

Infrastructure and maintenance

Visual documentation for road sections, shoulders, drainage, and right-of-ways
A clear “what’s there now” baseline for planning next steps

Environmental and stewardship

Visual baselines for reporting and monitoring
Clear imagery for communication and documentation packages

What you typically receive

Deliverables can vary by scope, but a practical orthomosaic handoff usually includes:

A high-resolution orthomosaic output
A structured folder system (easy to share internally)
Supporting visuals for quick review if required

Pair orthomosaic mapping with other outputs

Orthomosaics are often paired with:

LiDAR for bare earth models (DTM) and terrain-focused outputs
Volumetrics for measurable stockpiles and cut/fill reporting
3D modeling when a photoreal model helps planning or stakeholder communication