conversionLuminance: Conversion Factors for Units of Luminance

In colorscience: Color Science Methods and Data

Description

conversionLuminance is a table of conversion factors for units of Luminance

Usage

conversionLuminance

Format

This data frame contains the following columns:

cd.m.2

cd/m^2 = nit

cd.cm.2

cd/cm^2 = stilb

cd.ft.2

cd/ft^2

cd.in.2

cd/in^2

apostilb

apostilb = blondel

millilambert

millilambert

footlambert

foot-lambert

Author(s)

Jose Gama

Source

J. Meyer-Arendt, "Radiometry and Photometry: Units and Conversion Factors," Appl. Opt. 7, 2081-2081 (1968).

References

J. Meyer-Arendt, "Radiometry and Photometry: Units and Conversion Factors," Appl. Opt. 7, 2081-2081 (1968).

Examples

data(conversionLuminance)
conversionLuminance

Example output

Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2

Attaching package: ‘Hmisc’

The following objects are masked from ‘package:base’:

    format.pval, units

Loading required package: pracma

Attaching package: ‘pracma’

The following object is masked from ‘package:Hmisc’:

    ceil

Loading required package: sp
               cd.m.2   cd.cm.2   cd.ft.2  cd.in.2  apostilb millilambert
cd.m.2       1.000000 10000.000 10.764000 1550.000 3.183e-01    3.183e+00
cd.cm.2      0.000100     1.000  0.001076    0.155 3.183e-05    3.183e-04
cd.ft.2      0.092900   929.000  1.000000  144.000 2.957e-02    2.957e-01
cd.in.2      0.000645     6.452  0.006940    1.000 2.054e-04    2.054e-03
apostilb     3.141600 31416.000 33.820000 4869.000 1.000e+00    1.000e+01
millilambert 0.314160  3141.600  3.382000  486.900 1.000e-01    1.000e+00
footlambert  0.291900  2919.000  3.141600  452.400 9.290e-02    9.290e-01
             footlambert
cd.m.2         3.4260000
cd.cm.2        0.0003426
cd.ft.2        0.3183000
cd.in.2        0.0022110
apostilb      10.7640000
millilambert   1.0764000
footlambert    1.0000000

colorscience documentation built on Oct. 30, 2019, 9:33 a.m.