These are the new features and improvements that have
been incorporated into the Crosswalk toolset since the last Crosswalk
documentation update.
For more details on fixes and changes, see the Crosswalk
wiki.
Crosswalk for XSI
Export Options
• The Export options
group has been renamed to Exported Data.
• The new options in the Exported Data group
allow you to further specify the type of data you want to export:
Materials
When this option is on, all materials
defined in the scene are exported, regardless of whether you are actually
exporting the entire scene or just a selection.
When this option is off, the Image
Clips and Used Materials and Image Clips Only
options are no longer available. The reason for this is because when
Crosswalk removes all the materials, all the image clips are also removed.
To export all materials (whether they are being used
or not) without any image clips, select the Materials
checkbox and deselect the Image Clips and
the Used Materials and Image Clips Only checkboxes.
To export all used materials only (without any image
clips), select the Materials and Used
Materials and Image Clips Only checkboxes and deselect the Image
Clips checkbox.
To export all materials and all image clips (whether
they are being used or not), select the Materials
and the Image Clips checkboxes and deselect
the Used Materials and Image Clips Only checkbox.
Image Clips
When this option is on, all materials
and all image clips defined in the scene are exported, regardless of
whether you are actually exporting the entire scene or just a selection.
When this option is off, none of the image clips defined
in the scene are exported.
Note that you cannot export image clips only without
materials. When the Materials option is off,
the Image Clips and Used
Materials and Image Clips Only options are no longer available.
The reason for this is because when Crosswalk removes all the materials,
all the image clips are also removed.
Animation
When the Animation option is on,
all animation defined in the scene is exported.
When the Animation option is off, none of the animation
defined in the scene is exported. In addition, the Animation
> Shapes, Animation Plotting, Animation
Resampling, and Action Sources option
groups are no longer available.
IK animation is still exported as long as the Preserve
IK Chains option is on. If the Preserve IK Chains option is off,
the automatic conversion of IK to FK cannot take place because it requires
animation plotting (which is not available when the Animation option
is disabled).
• The Geometry
options group has been renamed Exported Polygon Mesh
Data.
• Some of the options in the Exported Polygon
Mesh Data group have been renamed to emphasize the fact that they apply
only to polygon mesh objects (the generic term geometry has been replaced).
• The new Polygon Meshes
option allows you to choose whether or not you want to export the polygon
meshes in your scene:
Polygon Meshes (Nulls
exported when off)
When the Polygon Meshes option is
on, all polygon mesh objects in the scene are exported.
When the Polygon Meshes option is off, none of the
polygon mesh objects defined in the scene are exported. Nulls are exported
in their place.
The Used Materials and Image Clips
Only option is no longer available. This is because when Crosswalk
removes all the geometry, all the associated materials and image clips
become unused.
In addition, the remaining options in the Exported
Polygon Mesh Data group and the Animation
> Shapes option group are no longer available.
• The Shapes, Animation
Plotting, and Animation Resampling
option groups have been moved to their own tab, appropriately named
Animation.
• The Exported Data >
Animation option is also available on the Animation tab for ease-of-access.
• The new Action Sources
options group provides options which allow you to export all action
sources in your scene or choose the action sources to export on a per
model basis:
Export All Action Sources
When this option is on, all action
sources defined in the scene, including their associated action clips
and tracks, are exported.
When this option is off, the Models drop-down list
becomes available and you can choose to export the actions for a specific
model in your scene.
Models
From the Models drop-down list, choose
the model whose action sources you want to export.
Note that the Scene_Root appears in the list because
it is considered a model, although in most cases it will not have its
own Mixer with action sources defined.
Refresh
Updates the items listed in the Action
Sources table. Click the Refresh button when you have removed, renamed,
or created new actions for the specified model.
Reset All
Selects all the items in the Action
Sources table for export.
[action sources table]
Lists the action sources defined
in the Mixer folder of the specified model. A checkmark in the Export
column indicates that the action will be exported.
Note that if you skip (deselect) even one of the action
sources for a given Mixer, none of the action tracks for that Mixer
will be exported. In other words, you must export (select) all the actions
for a specific model in order to get all of its action tracks exported
as well.
To export action sources
1. Deselect the Export All Action
Sources checkbox.
2. Select from the Models
drop-down list the model whose action sources you want to export.
3. In the Export column
of the table, select (or deselect) the action sources to be exported.
Newly Supported Scene Elements and Attributes
for dotXSI
Element
XSI Export vs. XSI Import
Comments
Spot
Yes
In XSI, when you create a spotlight
it always has an interest (null) which is direction constrained to the
spotlight. But if you create another light type and then change it to
a spotlight, no interest gets created. Crosswalk expects all spotlights
to have a properly defined interest. If not, the spotlight’s interest
position will be automatically computed based on the spotlight’s
rotation.
Keep in mind that this solution does not handle
the case where the spotlight’s rotation is animated. You can use
the following workaround to avoid this issue:
1. Make the spotlight the child of a null.
2. Set the spotlight’s translation relative
to this null (0,0,0).
3. Animate the null in rotation (instead of the
spotlight directly) and it will be exported.
Newly Supported Scene Elements and Attributes
for COLLADA
Element
XSI Export vs. XSI Import
Comments
Ambient
Yes
Prior to Crosswalk 3.1, ambient
lights were imported at the scene origin and converted to point lights.
Envelopes
Yes
Including bind pose matrices and
envelope weights.
In addition, Crosswalk adds type="JOINT" on all
nodes (envelope deformers) that are a part of a skeleton’s hierarchy.
This is done to support applications that rely on the type="JOINT" description
to import envelopes/skins properly. This applies only to the export
of envelope deformers from Crosswalk.
Newly Supported Scene Elements and Attributes
for FBX
Element
FBX Import vs. FBX Export
Comments
UVs
Yes
Exports multiple UV sets. Import
supports only one UV coordinate set.
Crosswalk for Maya
Maya to XSI: Newly Supported Scene Elements
and Attributes
Element
Maya Export vs. XSI Import
Comments
Shapes
Yes
Maya shape animation export:
• Export All and Export Selection modes
are supported.
• The Maya Envelope value is a global
scaling factor applied to all the weight values in the blend shape deformer
and it can be used to increase or decrease the effects of all the targets
at the same time. On export, the Envelope value is baked into the weight
function curve. If the Envelope value is animated, the weight function
curve is plotted along with the baked-in Envelope value animation.
• Support for blend shapes that use targets
whose objects exist in the scene as well as targets whose objects have
been deleted from the scene.
