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Maniphest T55368

Blender development todo list -- Import/Export
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Description

NOTE: this is a direct dump of https://wiki.blender.org/index.php/Dev:Source/Development/Todo/Import_Export (without cherrypicking the [still] valid items)

Blender files and Library linking

  • Mixing "direct" and "indirect" data not well supported T26706
  • Making local data which is still used in libraries, causes problems T44321

All Formats

Currently negative scales will flip faces for formats which don't store object transformations (obj, ply, stl ... etc). T35892

FBX

See [[Extensions:2.6/Py/Scripts/Import-Export/Autodesk_FBX]].

Alembic

  • While Alembic exports particles as points and supports ParticleInstance modifiers it could also support particle duplication (dupliobjects etc.), see T54703

Related Objects

Mentioned Here
T20634: Collada export exporting -tive z scale as wrong x rotation
T22388: Collada Export assigns improper ids to skin controllers when more than one.
T22495: Collada importer bugs
T22689: Collada import not importing animations if skins do not exist
T22891: Collada exports bezier keyframes as linear
T24759: Export of armature with multiple objects creates invalid .dae
T25432: Collada - up_axis not processed
T25527: Collada export issues
T25754: Collada skinned animation import error
T26012: Import Collada: instance_node incorrectly handled
T26706: Indirectly linked shrinkwrap fails
T27128: Collada files from this camera tracking app for iPhone are not being imported correctly
T27161: Collada: Export problem when activating transparency
T27389: Collada exporter ignores bones affected by IK
T27629: Collada: import does wrong transofrmations
T27640: COLLADA - Issue exporting geometries with just points or lines.
T27789: B258 > Collada Export > library linked groups not exported
T28215: Collada: blender 2.59rc - Export collada - import collada - armature bones with inverted axis
T28242: Collada import changes units to Metric
T28378: Collada: Importing Collada file not importing as expected.
T28424: Collada: Blender >= 2.57 crashing when importing collada files created using GoogleSketchUp (ver 8)
T28662: Collada export, broken animation track name IDs
T28762: Collada import transparency
T28887: Collada import and texture paths
T28894: Collada import crash
T29013: Import Collada causes Blender not responding
T29014: Import Collada: cannot load dae referencing other dae
T29058: COLLADA import crash 2.60
T29345: Collada exported files including bones do not work if imported into Vue.....
T29465: Collada - Armature Export Bug
T29672: Collada: export bone to collada file, the transform matrix is not right
T30008: Collada Import: Visual scene node hierarchy / root not handled correctly
T30301: Collada import data leak?
T30724: COLLADA export material name is wrong
T31089: Collada crash after import
T31682: Collada ex- and reimport, textures gets lost, some errors
T31728: Hangs and crashes while editing imported mesh.
T32392: Collada: import fails for transparency and reflectivity
T32549: Collada don't export properly
T32652: Collada: Import from Lightwave creates Error when rendering with LuxRender
T32843: AFTER 2.65 - Collada Spotlight angle animation is in radians not degrees
T34447: Collada: camera data broken
T35499: Collada exporter: Redundancy in UV coordinating
T35892: Wavefront exporting flipped normals
T36675: COLLADA import : normal map material binding doesn't work
T38343: Collada importer improperly handles non-specular materials
T39099: Collada/Mixamo Importing Bug.
T39224: Scale problem in exporting files
T39379: Collada Cannot Import
T39681: Collada exporter does not support more than one action
T39837: Collada Export writes Material Alpha Chanel data, but does not reads it
T40127: Newly inserted keyframes dont work in animated COLLADA models
T40374: Collada Import - Bone Duplication
T40410: [Collada Animation Exporter] Consider armature's world matrix as identity
T42327: Collada exporter transformation "both" option is wrong
T43297: Unicode Breaks Collada Export
T43298: Collada: No Bi-Normal support
T44321: Appending an object that is part of a linked group
T54703: Alembic Export of Metaball Particle System