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Contents
# -*- encoding : utf-8 -*-
# Export each tracker as a moving Maya locator
class Tracksperanto::Export::MayaLocators < Tracksperanto::Export::Base
SCENE_PREAMBLE = [
'//Maya ASCII 2011 scene',
'//Name: TracksperantoLocators.ma',
'//Codeset: UTF-8',
'requires maya "1.0";'
].join("\n")
PREAMBLE = 'polyPlane -name "TracksperantoImagePlane" -width %0.5f -height %0.5f;'
LOCATOR_PREAMBLE = 'spaceLocator -name "%s" -p 0 0 0;'
KEYFRAME_TEMPLATE = 'setKeyframe -time %d -value %0.5f "%s.%s";';
MULTIPLIER = 10.0
def self.desc_and_extension
"mayaLocators.ma"
end
def self.human_name
"Maya ASCII scene with locators on an image plane"
end
def start_export(w, h)
# Pixel sizes are HUGE for maya. What we do is we assume that the width is 1,
# and scale the height to that
@factor = (1 / w.to_f) * MULTIPLIER
@io.puts(SCENE_PREAMBLE)
@io.puts(PREAMBLE % [MULTIPLIER, h * @factor])
@io.puts('rotate -r -os 90;') # Position it in the XY plane
@io.puts('move -r %0.5f %0.5f 0;' % [MULTIPLIER / 2.0, h * @factor / 2.0])
@group_members = ["TracksperantoImagePlane"]
end
def start_tracker_segment(tracker_name)
@locator_name = tracker_name
@io.puts(LOCATOR_PREAMBLE % @locator_name)
@group_members.push(tracker_name)
end
def export_point(frame, abs_float_x, abs_float_y, float_residual)
@io.puts(KEYFRAME_TEMPLATE % [frame + 1, abs_float_x * @factor, @locator_name, "tx"])
@io.puts(KEYFRAME_TEMPLATE % [frame + 1, abs_float_y * @factor, @locator_name, "ty"])
end
def end_export
# Group all the stuff
@io.puts('select -r %s;' % @group_members.join(' '))
@io.puts('group -name TracksperantoGroup; xform -os -piv 0 0 0;')
end
end
Version data entries
37 entries across 37 versions & 1 rubygems