Bring in point data
Import CSV, TXT, GeoJSON, KML, KMZ, GPX, or supported Shapefile data.
Online Contour Generator for Survey Points
Generate contours from survey points in a browser workflow designed for importing, inspecting, and preparing supported outputs.
Turn point data into an understandable surface view
When teams need more than a point table, TopoAssist helps them generate contours and inspect the associated TIN surface before the next project step.
How TopoAssist helps
Generate contours
Generate contours from imported survey points and inspect the associated surface.
Keep the handoff moving
Prepare supported CAD, GIS, LandXML, or PDF outputs when current access permits.
For people reviewing survey results
Use this route when you need a practical contour workflow for survey point data. Check coordinate-system settings and data quality before relying on any result; professional verification remains important.
Read contour workflow guidance, explore features, or review pricing.
FAQ
Which inputs are supported?
The workspace supports CSV, TXT, GeoJSON, KML, KMZ, GPX, and supported Shapefile point data.
Is processing browser based?
The current workspace processes files in the browser.