SCENEFILTER_OBJECTS Load/save objects.
SCENEFILTER_MATERIALS Load/save materials.
SCENEFILTER_DIALOGSALLOWED Flag to inform a plugin that a dialog can be displayed. If this flag is not set then no dialogs must be opened.
SCENEFILTER_PROGRESSALLOWED Flag to inform a plugin that a progress bar can be displayed. The progress bar can be set by calling StatusSetBar().
SCENEFILTER_MERGESCENE Flag to inform a plugin that this is a merge operation, i.e. the document that is inserted to is an existing scene.
SCENEFILTER_NONEWMARKERS Objects loaded from disk will keep their markers.
SCENEFILTER_SAVECACHES For melange export only. Caches of objects will also be written (only supported by Cinema 4D format). This is the same as the global option “Save Polygon Objects for Melange Exchange”.
SCENEFILTER_NOUNDO Use together with SCENEFILTER_MERGESCENE to avoid that undos are created for the merge operation.
SCENEFILTER_SAVE_BINARYCACHE Save the binary compiled shaders with the scene (only for Cinema 4D format).
SCENEFILTER_IDENTIFY_ONLY Do not load the whole document, identify it only.
SCENEFILTER_ONLY_RENDERDATA Only load render settings. If this flag is set, SCENEFILTER_OBJECTS and SCENEFILTER_MATERIALS are ignored.
SCENEFILTER_IGNOREMISSINGPLUGINSINNONACTIVERENDERDATA Ignore all missing plugins which are part of a non-active render data.

New in version R16.038: Avoid that included X-Refs will be loaded.

SCENEFILTER_DONTCORRECTOUTPUTFORMAT Do not change unknown output formats in render settings.