InSAR Suite
Integrated suite for loading, processing and analysis of PSI displacement data
InSAR Suite is an integrated QGIS plugin that brings together six tools for PSI (Persistent Scatterer Interferometry) data analysis into a single dedicated toolbar.
- InSAR Load: loads PSI point layers from GeoPackage, Shapefile or GDB files using a polygon index layer, or reactivates an index already present in the project.
- InSAR EWUD: decomposes LOS velocities from ascending/descending SAR data into East-West and Up-Down components, with automatic resampling grid creation (square or hexagonal cells). Outputs include Na and Nd fields (number of PS points used per cell).
- InSAR VIS: calculates the detectable movement percentage (pc_mov) based on SAR acquisition geometry and terrain morphology derived from a DEM. Output can be saved as a permanent GeoPackage.
- InSAR TS: time series analysis tools including data quality and homogeneity check (with skewness and kurtosis), automatic kinematic analysis, seasonal decomposition (STL), piecewise non-linear analysis, temporal anomaly detection, and multi-zone comparison. Supports DYYYYMMDD and YYYYMMDD date field formats.
- InSAR Polygons: automatic delineation of deformation areas from PS data using buffer and geometric dissolve by velocity class, with hierarchical clipping and optional morphological smoothing. Output can be saved as a permanent GeoPackage.
- InSAR Report: generates a PSI summary sheet for a study area (hand-drawn, loaded from a polygon file, or picked from a layer already in the project), with PS count, density, areal coverage, kinematic coherence, mean visibility and velocity ± standard deviation for both ascending and descending datasets, plus the mean EWUD vector (angle ± circular standard deviation, velocity, E, U components ± standard deviation), all automatically filtered to the study area. Exportable as PNG or CSV.