Table 4. The key features of PG-STEAMER

Function Description
Catalog • View metadata from raster (xdm, jpeg, bmp, tiff, MrSID, JPEG2000) and Vector (xvc, dxf, shp, dgn, xyz)• Preview data file (raster, vector)• Export to HTML file from metadata
Image Composer/Analyzer • Open multiple datasets in multiple coordinate system• Auto-warping and mosaic with raster and vector bands• Statistics (histogram, scattergram)• Vector file overlay
Vector Composer • Support DXF, DGN, SHP, and XVC file• Coordinate conversion from vector file• Interactive histogram stretch
3D Composer • Interactive 3D view• Path analysis• Line of sight analysis
Map Composer • Auto gridding for map image• Vector overlay on map image• Tile printing for big workspace
Tools & Utilities • Mosaic images• Convert map projection• Coordinate conversion• Image local warping
Image Processing • Geometric correction• Auto GCP(ground control point) matching• Orthorectification GCPs & RPC• Spatial filtering
DEM Tools • Stereo DEM generation/upgrade• DEM generation from vector generation• DEM from XYZ• DEM interpolation