Postmodernism describes both an era and a broad movement that developed in the late-20th century across philosophy, the arts, architecture, and criticism which marked a departure from modernism.
DTAH: duToit Allsopp Hillier (Canadian architectural firm) DTAH: Dessins Techniques pour l'AmÃ©nagement de l'Habitat (French: Technical Drawings for the Development of Housing)
DEM: Digital Elevation Model; DSM: Digital Surface Model; DTM: Digital Terrain Model; In some circles they seem synonymous, in others they seem to have distinct meanings. Is there an agreed-upon definition for each that enables them to be distinguished?