API Reference > imodeljs-backend > iModels > ExportPartGraphicsOptions ExportPartGraphicsOptions Interface Parameters for IModelDb.exportPartGraphics Properties Name Type Description angleTol undefined | number Max angle difference in radians for approximated face, see StrokeOptions chordTol undefined | number Max distance from a face to the original geometry, see StrokeOptions decimationTol undefined | number Max distance between mesh vertices for them to be collapsed. displayProps ExportPartDisplayInfo The base display properties to use for generating the graphics. elementId string The ID for the source GeometryPart maxEdgeLength undefined | number Max length of any edge in generated faces, see StrokeOptions minBRepFeatureSize undefined | number BRep features with bounding boxes smaller than this size will not generate graphics. minLineStyleComponentSize undefined | number The longest dimension of a line style's largest component must be at least this size in order for onPartGraphics ExportPartFunction A function to call for each unique color and texture combination. onPartLineGraphics undefined | ExportPartLinesFunction An optional function to call if line graphics are desired. Defined in core/backend/src/ExportGraphics.ts Line 204 Last Updated: 11 June, 2024