CAD and BIM drawings processing library to open and convert DXF, DWG, DWT, DGN, IFC, DWF, DWFX, STL, IGES, CF2, Collada(DAE), PLT, OBJ, SVG, DXB, FBX, U3D, 3DS, STP files to Gif, Tiff, Jpeg, Png, Psd, Bmp, Jpeg2000, Dicom, Webp, Emf, Wmf, Svg, Pdf image formats within JavaScript applications...background color, page size, scale mode and so on before conversion...