GIStance vs SylvaScan

GIStance turns an iPhone plus a connected GNSS receiver into a survey-grade field capture system for infrastructure, utility and construction crews. Centimeter-level positioning, georeferenced photo documentation, and 3D LiDAR scanning — captured on site, structured for the office. Built for FTTX rollout, utility networks and construction documentation, GIStance replaces the paper-notes-plus-consumer-camera workflow with a single tool that records where every asset is, what it looked like, and when it was captured. Precise positioning • Connect an external GNSS/RTK receiver for centimeter-level accuracy • Live fix status and accuracy readout before you record a point • Positions attached to every photo, measurement and scan Georeferenced photo documentation • Capture site photos with coordinates, timestamp and accuracy embedded • Tie documentation to project sections and construction phases • Consistent, auditable evidence for as-built records and billing 3D LiDAR scanning • Capture point clouds and meshes of trenches, structures and installations • Scans stored as measurement artifacts alongside points and photos Built for the field • Works with mapped basemaps for on-site orientation • Fast capture flow designed for gloved hands and daylight screens • Data queued and synced when connectivity allows Part of a documentation ecosystem Field captures sync to the FotoGIS asset hub and become available in the GISdoc office platform for project tracking, phase completion, plan-vs-actual comparison and report generation. What the crew captures on site is what the office works with — no manual re-entry. Who it's for • Field surveyors and rollout crews • Utility and network operators • Construction documentation and as-built teams Requirements GIStance requires a compatible external GNSS receiver for survey-grade accuracy and an active GISdoc/FotoGIS account. It is a professional B2B field tool, not a standalone consumer app.

SylvaScan is a forestry field data capture app designed for tree measurement, LiDAR scanning, photogrammetry, offline mapping, and structured field records. Measure tree diameter at breast height (DBH) and height using guided AR workflows. On supported devices, SylvaScan can use LiDAR and depth data to assist with automatic measurements and spatial capture. Capture and manage: • Tree DBH and height measurements • LiDAR scans and point clouds • 3D scan outputs • Photogrammetry photo sets and models • GPS-linked field records • Map marks, notes, and plot information • Offline GeoPackage map layers SylvaScan is built for forestry, environmental fieldwork, research, conservation, and practical forest measurement workflows. Key capabilities include: • Guided DBH + Height measurement • Automatic DBH measurement using supported depth hardware • Distance + angle height measurement • Deep Scan and Normal Scan modes • Point-cloud and 3D model previews • Offline field mapping • GeoPackage raster and vector layer support • Local-first field data storage • Export and sharing of supported field outputs Some AR, depth, and LiDAR features require compatible Apple hardware. SylvaScan is developed by Mohamed Islam Keskes.