How are the drawings protected from alteration?
Live files are never posted to the Web, nor are printable files posted to the Web. What users look at on screen are non-alterable, low-resolution thumbnail images that do not print well. Even the printable files, stored on the local reprographer’s servers, are non-alterable. Unless otherwise specified, files are saved as 400 dpi Class 4 TIFF images, meaning that all vector data (line and layer information typically used in programs like AutoCAD, Microstation, ArchiCAD and others) are unavailable for manipulation.
