I.S.M. International Systemap Corp.
Early in the last decade, the digital revolution in photogrammetry might have been ignited by our pioneering digital orthophoto system, and for desktop computers, two unlikely feats at once. Integrating a 3D raster geo-coding process within a CAD environment and based on an unprecedented TIN terrain modeling infrastructure, its seamless image mosaic output simplified the most esoteric map product of the time. The encore Digital image Analytical Photogrammetry (DiAP) workstation debuted soon after, another unexpected first of its kind. Integrated with the still-requisite CAD environment and first replicated the venerable analytical stereo plotter, it soon encompassed all remaining processes still practiced.
Product Name: PurVIEW
Edit/digitize with Virtual-Z active over a geo-referenced image canvas and under stereo-superimposition is QA, by default.
Despite CAD sophistications, point-to-point digitizing is a standard technique in compiling feature objects, with the image interpreter selecting the critical location for point placement.