Name of matrix containing
three-dimensional coordinates of a surface scan
fixed
numeric: the number of fixed template
landmarks
index
logical: whether selected landmark addresses
should be returned
Details
Function to digitize landmarks on 3D point clouds. "n"
Landmark points are selected by user. No template is used
to select surface sliding semi landmarks. Select points
to be digitized, using the RIGHT mouse button. The LEFT
mouse button is used to ROTATE mesh, and the mouse
SCROLLER is used to zoom in and out. When selection of n
landmarks is completed, an ".nts" file is created in
working directory using the specimen name, adding
"fixedlmcoords.nts" as a suffix.
NOTE: To ensure a strong match between the scan and the
template, it is recommended that a reasonable number of
fixed points be used.
Digitizing{ Digitizing using buildtemplate
is interactive between landmark selection using a mouse
(see below for instructions), and the R console. Once a
point is selected, the user is asked if the system should
keep or discard the selection #'(y/n). If "y", the user
is asked to continue to select the next landmark.If "n"
the removes the last chosen landmark, and the user is
askesd to select it again. This can be repeated until the
user is comfortable with the landmark chosen.
To digitize with a standard 3-button (PC) buildtemplate
uses:
the RIGHT mouse button (primary)
to select points to be digitized First,
the LEFT
mouse button (secondary) is used to rotate mesh,
the mouse SCROLLER (third/middle) is used to zoom in and
out.
Note: Digitizing functions on MACINTOSH computers
using a standard 3-button mice works as specified. Macs
using platform specific single button mice:
press button to rotate 3D mesh,
press button
while pressing CONTROL key to select points to be
digitized,
press button while pressing OPTION key
to adjust mesh perspective.
Mac mouse settings need adjustment to acquire zooming
functions of the "middle/third" mouse button/scroller.
Some instructions can be found at
http://blog.boastr.net/. In addition, freeware
providing "Middle Click" functionality is available at
http://magicprefs.com/ for "magicmice" now standard
on many Macintosh machines. }