Quantifying Resolution of Digital Outcrop Models using Synthetic Test Objects

Abstract

Photogrammetry outcrop models are fast becoming a standard tool for structural geologists, allowing for quantification & documentation of structures at a scale & rate not previously practical. Their spatial resolution is often poorly constrained as it is dependent on a complex combination of factors. Using synthetic objects of known dimensions within our models, we quantify spatial resolution & identify systematic errors to recognise the appropriate scales at which features can be interpreted.