File Format Details

Reference documentation for the data file formats used by Earth Volumetric Studio.

Getting Started

• Data Format Overview

  Overview of all EVS data input and output formats.
• Handling Non-Detects

  How EVS handles non-detect and below-detection-limit values.
• Coordinate Systems

  Requirements for consistent coordinate systems across data files.
• Projecting Coordinates

  Transform file coordinates between coordinate systems.

Analyte Data

• Analytical Data

  Overview of point and interval analyte data formats.
• APDV: Analyte Point Data

  Point-based analyte concentration data at specific depths.
• AIDV: Analyte Interval Data

  Interval-based analyte concentration data over depth ranges.
• Time Domain Analyte Data

  Analyte data with time-series measurements.

Lithology Data

• LPDV: Lithology Point Data

  Point-based lithology and soil classification data.
• PGF: Pre Geology File

  Point-based lithology transition data for borehole sequences.
• LSDV: Lithology Screen Data

  Screen interval-based lithology data over depth ranges.

Geology & Stratigraphy

• GEO: Borehole Geology

  Single-file geologic stratigraphy for boreholes.
• GMF: Geology Multi-File

  Geologic stratigraphy with independent surface point definitions.

Other Formats

• PT File Format

  Point/text file format for general data.
• EMT File Format

  Legacy text format (deprecated — replaced by PT).