Photo alignment¶
Articles on the Align Photos step of the photogrammetry pipeline — how to diagnose alignment failures, choose the right preselection mode, clean up tie points, and recover from common failure patterns.
For Metashape's own definition of alignment terms, see the glossary.
Articles¶
- Pair preselection: Disabled, Generic, or Reference?
- Helping alignment when photos don't align: markers, references, and what to use when
- Diagnosing under-aligned chunks
- Recovery paths for unaligned cameras
- Adding cameras to an aligned chunk: the
keep_keypointsworkflow - AI-assisted mask generation
- Automatic sky masking with ONNX: pre-clean for sky-prone aerial captures
mask_tiepointscross-view propagation and the foreground-occluder casefilter_mask=Truestarves matchPhotos when masks cover most of the image- Exclude stationary tie points: when and why
- Synthetic position priors via
ReferencePreselectionSource alignChunks(method=point)cannot break geometric symmetry
Related feature pages¶
Coverage¶
This section is being built incrementally.