Surface Elevation Reader

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Content rating
Everyone
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About this app

Surface Elevation Reader helps surveyors, engineers, and GIS users quickly look up elevations from a TIN surface on mobile.
What it does
• Import LandXML surfaces (TIN) from AndroidManifest.xml files (e.g., exported from Civil 3D/LandXML workflows)
• Store surfaces locally so you can reuse them without re-importing
• Select between multiple surfaces you’ve imported
• Enter Easting and Northing to compute the surface elevation
• Optionally enter an Actual elevation to see Δ (Actual − Computed) for fast checks/QA
• Clear feedback when a point is outside the surface (not inside any triangle)
How it works
• Reads LandXML points/faces and builds the TIN triangle set
• Calculates elevation at the requested coordinate based on the triangle containing the point
• Saves imported surfaces to a local SQLite database on your device
Notes
• Works with coordinate order variations (Easting/Northing vs Northing/Easting) found in LandXML.
• No account required; data stays on-device.
Updated on
Jan 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

• Import LandXML surface files and save them locally on your device.
• Pick from previously imported surfaces, or delete ones you no longer need.
• Get elevation at a specified Easting/Northing coordinate (TIN-based lookup).
• Optional comparison: enter an “Actual elevation” to see Δ (Actual − Computed).
• Improved input handling for numeric values (supports both “.” and “,” decimal separators).
• General stability and performance improvements.