Class: Tracksperanto::Export::XSI

Inherits:
Base
  • Object
show all
Defined in:
lib/export/xsi.rb

Overview

Export each tracker as a moving Softimage|XSI null

Constant Summary collapse

IMAGE_PLANE = 
'Application.CreatePrim("Grid", "MeshSurface", "", "")
Application.SetValue("grid.Name", "ImagePlane", "")
Application.SetValue("ImagePlane.grid.ulength", %0.5f, "")
Application.SetValue("ImagePlane.grid.vlength", %0.5f, "")
Application.Rotate("", 90, 0, 0, "siRelative", "siLocal", "siObj", "siXYZ", "", "", "", "", "", "", "", 0, "")'
MULTIPLIER = 
10.0

Instance Attribute Summary

Attributes inherited from Base

#io

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#initialize

Methods included from ConstName

#const_name

Methods included from SimpleExport

#just_export

Constructor Details

This class inherits a constructor from Tracksperanto::Export::Base

Class Method Details

.desc_and_extension ⇒ Object 



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# File 'lib/export/xsi.rb', line 12

def self.desc_and_extension
  "xsi_nulls.py"
end

.human_name ⇒ Object 



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# File 'lib/export/xsi.rb', line 16

def self.human_name
  "Autodesk Softimage nulls Python script"
end

Instance Method Details

#end_export ⇒ Object 



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# File 'lib/export/xsi.rb', line 51

def end_export
  # Create a Model group and parent all the trackers and the image plane to it
  @io.puts('Application.DeselectAll()')
  @io.puts('Application.AddToSelection("ImagePlane", "", "")')
  @tracker_names.each do | tracker_name |
    @io.puts('Application.AddToSelection("%s", "", "")' % tracker_name)
  end
  @io.puts('Application.CreateModel("", "", "", "")')
  @io.puts('Application.SetValue("Model.Name", "Tracksperanto", "")')
end

#end_tracker_segment ⇒ Object 



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# File 'lib/export/xsi.rb', line 40

def end_tracker_segment
  # Parent the null to the image plane
  @tracker_names.push(@t)
end

#export_point(frame, abs_float_x, abs_float_y, float_residual) ⇒ Object 



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# File 'lib/export/xsi.rb', line 45

def export_point(frame, abs_float_x, abs_float_y, float_residual)
  coords = get_coordinates(abs_float_x, abs_float_y)
  @io.puts('Application.Translate("", %0.5f, %0.5f, 0, "siAbsolute", "siView", "siObj", "siXYZ", "", "", "", "", "", "", "", "", "", 0, "")'% coords)
  @io.puts('Application.SaveKeyOnKeyable("%s", %d, "", "", "", False, "")' % [@t, frame + 1])
end

#start_export(w, h) ⇒ Object 



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# File 'lib/export/xsi.rb', line 20

def start_export(w, h)
  # Pixel sizes are HUGE. Hence we downscale
  @factor = (1 / w.to_f) * MULTIPLIER
  @true_width, @true_height = w * @factor, h * @factor
  
  # Generate a Grid primitive
  @io.puts(IMAGE_PLANE % [@true_width, @true_height])
  @tracker_names = []
end

#start_tracker_segment(tracker_name) ⇒ Object 



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# File 'lib/export/xsi.rb', line 30

def start_tracker_segment(tracker_name)
  @t = tracker_name
  @io.puts("# Data for tracker %s" % @t)
  @io.puts 'Application.GetPrim("Null", "", "", "")'
  @io.puts('Application.SetValue("null.Name", "%s", "")' % @t)
  # Application.ToggleSelection("Track_Point_02", "", "")
  # Select the tracker that we will animate
  @io.puts('Application.SelectObj("%s", "", True)' % @t)
end