General rules: photo set suitability
● Move the camera in relation to the specimen
(or vice versa) to create parallax; do not
take panorama photos (many photographs
from one camera position). The latter can be
acceptable but even small motions of the
camera can drastically improve the quality of
photograph alignment.
● Each point on the specimen must be well
visible and in focus on at least two images.
Any point not visible directly will not be
included in the final model (line-of-sight
rule). Take care to point the camera into
recesses.
● Take photographs with 40-60% overlap as
rule of thumb. Avoid near-identical
photographs, including photographs that
differ only in long-axis rotation (i.e. portrait
versus panorama format).
● Overview photographs can be supplemented
by close-ups, but much overlap is required.
● Take more photographs than necessary,
because unsuitable photographs can later be
excluded from model creation and replaced
by others, and gaps can be closed.