API Reference > imodeljs-common > DisplayStyles > PlanarClipMaskSettings > transparency transparency Readonly transparency: undefined | number A value between 0 and 1 indicating an override for mask transparency. A transparency of 0 indicates complete masking. 1 is completely transparent (no masking). If no transparency is defined then the transparencies of the mask elements are used. Defined in core/common/src/PlanarClipMask.ts Line 90 Last Updated: 11 June, 2024