Use supported inputs
Import CSV, TXT, GeoJSON, KML, KMZ, GPX, or supported Shapefile point data.
LandXML Export from Survey Points
Move from survey points to a reviewable TIN surface and prepare a LandXML surface export when current access permits.
Prepare a surface handoff with context
A surface export is more useful when the source points and generated result have been reviewed first. TopoAssist keeps import, contour generation, TIN inspection, and supported output preparation in one workflow.
How TopoAssist helps
Generate a surface
Generate contours and inspect the associated TIN surface in browser-based views.
Prepare LandXML
Prepare a LandXML surface export when the current access policy permits it.
Who should use this route
It supports survey and design teams preparing a surface deliverable from point data. Confirm coordinate-system settings and source-data quality, then apply professional verification before relying on any result.
Read output-format guidance, review features, or view pricing.
FAQ
Is LandXML a supported output?
TopoAssist can prepare a LandXML surface export when current access permits it.
Can I skip review of the source points?
No. Results depend on source-data quality, coordinate-system correctness, and professional verification.