The designer can specify luminaire types, luminaire positions, mounting heights, orientations, angle of tilt, and the spacing of grid points. Inpoint provides numerous calculation options related to indoor lighting including equivalent sphere illumination, illuminance with body shadow, target illuminance with desired viewing angle, background illuminance, contrast rendering factor, lighting effectiveness factor, and visual comfort probability. In both programs, the horizontal and vertical footcandles are printed in a tabular form that also shows X and Y coordinates. Additionally, each program can also display and print a graphic contour plot of the lighted area. A DXF file of this plot can also be created.
All input data is checked at the time of entry so that no improper data can be entered.
Upon completion of the input process, all data is saved to disk and can be reviewed and edited whenever desired. The general project data includes the project name and number, the client, the date, and the designer name. With Inpoint, the designer can also specify regions that have different reflectances within the walls and floor, The luminaire data specific to each project includes location and type for each luminaire, height above ground, and the angles of position as concerns bearing, tilt, and cant. An unlimited number of unique luminaires can be aimed at a target region. The general luminaire data includes luminaire type, dimensions, number of lamps, lumens per lamp, watts per lamp, ballast factor, ballast photofactor, and candela data.