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Photogrammetry /fō-tə-ˈgra-mə-trē/ is the science of making reliable measurements by the use of photographs and especially aerial photographs (as in surveying) to create 3D models, drawings, maps, and marketing materials, often used by surveyors, engineers and architects.

Stratus utilize high-resolution UAV mounted cameras to obtain high-quality RGB images. We process these images through complex software analysis, creating accurate geo-referenced 3D models, terrain data, geo-tiff files, and other industry-standard geo-based file formats. We use photogrammetry in conjunction with our LiDAR toolset to deliver on very demanding and specific projects.

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Bathymetry (/bəˈθɪmətri/; from Ancient Greek βαθύς (bathus) ‘deep’, and μέτρον (metron) ‘measure’) is the study of underwater depth analysis within various basins. Bathymetric surveys usually show basin floor relief or terrain as contour lines (called depth contours or isobaths) and selected depths (soundings).

Bathymetric maps may also use a Digital Terrain Model and artificial illumination techniques to illustrate the portrayed depths.

Stratus uses unmanned small scale vessels equipped with onboard sonar and data acquisition equipment to obtain and produce high-quality basin topographic surveys. Typical uses for our clients include pre and post pond cleaning without dewatering and underwater / submerged infrastructure mapping.

Global navigation satellite system (GNSS) describes any satellite constellation that provides positioning, navigation, and timing (PNT) services worldwide or regionally.

Stratus uses GPS and GNSS signals via a GPS/GNSS receiver and antenna to determine the form, boundary, position of objects or points in space relative to other forms, boundaries or points.

We utilize this technology in conjunction with all our aerial-based surveying, whether LiDAR, Photogromattery or during inclement weather conditions at which UAV flights become prohibited.

• InertialLabs RESEPI Lidar 720,000 returns/second – High accuracy lidar remote sensing payload.
• Matrice 300 RTK with D-RTK 2 GNSS Base Station – Enterprise-level drone for our LiDAR payload.
• Matrice 210 V2 RTK with D-RTK 2 GNSS Base Station – Enterprise-level drone for inspections and large-scale photogrammetry.
• Phantom 4 RTK with D-RTK 2 GNSS Base Station – Our dedicated photogrammetry drone.
• GeoMax Zoom 50 Total Station – Benchmark transfers, accurate measurements, and GPS-denied environments are where this piece of equipment shines.
• Hemisphere S631 Combo with Tilt Function – GNSS Based L1/L2/L5 Base and Rover used to collect ground control points and traditionally obtain ground features, staking, and as-constructed surveys. An excellent backup for small sites and inclement weather when UAVs cannot be used. Foliage and powerline interference are no match for these units.
• EMLID Reach RS2 GNSS – Static observation and crucial tool for our PPK data collection.
• Bathymetric boat with single beam echosounder – Essential tool for bathymetric data acquisition.
• Algiz RT8 Tablet Data Collector – Ruggedized Data collector used during base and rover GNSS point generation.
• Workstation for CAD Processing – High-end AMD 5950X with RTX3090 video card along with 64Gb RAM.
• Workstation for LiDAR / Photogrammetry – High-end AMD 5950X with RTX3090 video card along with 64Gb RAM.
• Two field processing notebooks for remote work – Core i7 10th Gen processor with RTX3070 and 32Gb RAM.

• UGcS – Our primary automated mission planning tool for UAV and USV.
• Hydromagic – Bathymetry all-in-one software.
• MicroSurvey FieldGenius – Field software for our GNSS base/rover used in data collection, GCP acquisition and staking features.
• PcMaster GL – LiDAR strip alignment.
• PcPainter GL – LiDAR point cloud colourization.
• Agisoft Metashape – Flagship photogrammetry processing.
• BlueMarble GlobalMapper – Our workhorse and GIS suite.
• BlueMarble GeoCalc – Geographic calculator, used for working with projections and ellipsoidal heights and datum transformations.
• AutoCAD Civil 3D – What we finish our work with, all our finished files go through Civil 3D.