GEODESIAS · Geospatial Services

Field Data Collection and GPS

Field Data Collection and GPS

We prepare digital systems for recording, organizing and integrating data collected in the field. Services include georeferenced forms, mobile data-capture projects, synchronization procedures, GPS tracks and location-linked photographs. We consolidate records from different sessions and review their integrity, supporting reliable field data collection and subsequent mapping, updating and analysis.

Requirements addressed by these services

Services and expected deliverables

Field Data Collection Forms

We design forms and mapped projects to record positions, observations and characteristics during fieldwork.

  • Offline Georeferenced Inventory Project

    Capture field data in consistent forms.

    Expected deliverables: Offline forms and project package in QGZ and GPKG with attachments; field observations in GPKG with a CSV log; offline reconciliation report in CSV or MD.

  • Form Design with Controlled Data Types and Domains

    Ensure several operators record attributes using consistent lists.

    Expected deliverables: QGIS project with widgets, domains and test form.

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Synchronization of Field Data

We configure procedures to exchange and synchronize data collected by different devices and operators.

  • Collaborative QFieldCloud Configuration

    Field teams need to synchronize collected data.

    Expected deliverables: Versioned collaborative field project in QGZ and GPKG with project configuration; conflict-resolution report in CSV or MD with a version identifier.

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GPS Track and Route Processing

We convert, organize and map points, tracks and positioning records captured using GPS devices.

  • Mapping of GPX Tracks and GPS Records

    Map captured routes and observations.

    Expected deliverables: Map of GPX tracks, GPKG routes/points, and available timing/attribute table.

  • Conversion and Standardization of GPS Tracks

    Standardize GPX tracks containing different data types.

    Expected deliverables: GPX routes/points converted to GPKG, with dates and field table.

  • Documentary Integration of Supplied GNSS Readings

    Integrate device readings into a queryable layer.

    Expected deliverables: Spatial layer and source table including stated accuracy and GNSS fields.

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Location-Linked Photographs

We organize geotagged photographs and link them to maps, records and geographic points.

  • Integration of Geotagged Photographs

    Connect photographs with geographic points.

    Expected deliverables: Photo-point GPKG linked to files and metadata listing.

  • Metadata and Geotagging Association Check for Photos

    Check the geolocation metadata of supplied photographs and link them to project records.

    Expected deliverables: Photo layer and file paths, plus a report of images without reliable positions.

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Integration of Field Records

We merge field information from different sessions or devices, identifying duplicates and discrepancies.

  • Consolidation of Data Batches from Separate Field Sessions

    Merge several field GeoPackages without overwriting record IDs.

    Expected deliverables: Consolidated GPKG, conflict table and manual synchronization report.

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Review and Quality Control of Field Data

We check field records for missing information, unusual coordinates and inconsistent entries.

  • Integrity Report for a Completed Field Form

    Detect missing values, invalid codes and duplicate features.

    Expected deliverables: Issues CSV, capture-coverage report and correction package.

  • Checklist for Follow-Up Field Data Collection

    Find locations needing another field visit after incomplete data capture.

    Expected deliverables: Tasks GPKG, reasons per feature and follow-up form.

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