LDTEdit

LDTEdit is specifically designed to handle large files in current chip designs and to verify visually geometry and hierarchy of the layout. LDTEdit features fast and selective loading of large stream files, reading compressed gzipped files (.gz), pause/stop during loading or drawing, zoom, panning, and scaling, 3D-view, precise measuring distances, customized filtering (by color, filling, outline), view the cells hierarchy, history of navigation, printing/saving view to image, go to a particular location within layout, extract portion of the layout, and overlay layouts.