Historically, Terrasolid software required Bentley MicroStation to run. MicroStation acted as the "CAD engine," while Terrasolid provided the specialized tools for point clouds and imagery.
However, as software licensing costs and development roads diverged, Terrasolid decided to build their own CAD platform. Spatix (often seen in file extensions like .spatix) is the result. It is a lightweight, robust CAD application that provides the necessary geometry and visualization engine to run TerraScan, TerraModeler, TerraPhoto, and TerraMatch.
In short: Spatix is the vehicle; Terrasolid tools are the engine.
For nearly three decades, Terrasolid has been the gold standard for survey-grade LiDAR processing, primarily operating as a suite of robust, keyboard-shortcut-heavy modules within MicroStation. Terrasolid Spatix (released 2023–2024) marks the company’s first major UI/UX and engine overhaul. Spatix retains the raw mathematical power of its predecessors but wraps it in a modern, geometry-centric workflow.
Spatix was built with one primary goal: to process massive datasets efficiently. Unlike general-purpose CAD software, Spatix is fine-tuned for geospatial workflows. terrasolid spatix
A. Cost Efficiency By transitioning to Spatix, organizations no longer need to purchase and maintain expensive third-party CAD licenses (specifically Bentley MicroStation). This significantly lowers the barrier to entry for high-end LiDAR processing.
B. Optimized Performance Spatix is designed to handle the unique demands of point cloud data. It boasts high-speed rendering capabilities and efficient memory management, allowing users to load and manipulate billions of points without the overhead of unnecessary architectural or mechanical design features found in other CAD packages.
C. Modern User Interface The platform offers a streamlined, modern interface. While it retains the workflow logic that long-time Terrasolid users expect, the interface is cleaner and more intuitive for navigating 3D data.
D. Seamless Integration Spatix is not a competitor to Terrasolid; it is their native home. The integration between the platform and the tools (TerraScan, etc.) is tighter than ever, resulting in fewer crashes and smoother data transitions. Spatix (often seen in file extensions like
Bottom Line: Terrasolid Spatix is the most important LiDAR processing update since the invention of ground classification. It successfully bridges the gap between raw point clouds and intelligent infrastructure models. If you bill by the deliverable, not by the hour, you need this.
When you save a point cloud as a Spatix file (.spx), Terrasolid automatically generates an internal spatial index—usually an Octree or Quadtree structure. This index allows the software to instantly ignore points outside the current viewport or selection area. When you pan or zoom, only the relevant points are fetched from the disk. In practical terms, this means real-time rendering of billions of points where LAS files would stutter.
LiDAR processing is rarely a "one-click" solution. It involves classification (ground, vegetation, buildings), noise removal, and thinning. In a LAS file, editing a point requires rewriting large portions of the file. Spatix allows "in-place" editing. When you change a point’s classification from "medium vegetation" to "low vegetation," the Spatix engine updates only that specific block of data without re-saving the entire cloud.
If you have ever tried to open a 500 million-point LAS file in a standard CAD environment, you have likely experienced crashes or minute-long freezes. Terrasolid built Spatix to solve three specific bottlenecks: For nearly three decades, Terrasolid has been the
1. The "Lasso-to-Vector" Workflow This is Spatix’s killer feature. In legacy software, extracting a powerline required classification, thinning, and manual tracing. In Spatix, you draw a rough lasso around the object, and the AI engine instantly snaps a 3D vector line precisely through the center of the points. Processing time for linear assets drops by an estimated 70–80%.
2. Native 3D Grid Engine Where older software chokes on 1 billion+ point datasets, Spatix uses a dynamic octree grid. Zooming, panning, and rotating in a dataset of 2 billion points feels like working with a 50 MB file. There is no perceptible lag on modern NVMe hardware.
3. Semantic Intelligence If you extract a "Light Pole" as a feature, Spatix understands it has a base, a shaft, and an arm. You can apply rules (e.g., "attach the arm 5m above ground, pointing at 45 degrees"). This allows for parametric editing—change the pole’s height, and the attached wires update automatically.
4. Hybrid Interface
Hardcore Terrasolid users feared a simplified "paint-by-numbers" tool. Good news: Spatix keeps the powerful TerraScan macro engine and batch processing. However, it overlays a context-sensitive ribbon and a much-improved properties panel. New users can finally learn Terrasolid without memorizing 200 keyboard shortcuts.