39 assumed that the object is a luminaire. |
39 assumed that the object is a luminaire. |
40 .PP |
40 .PP |
41 .I ltview |
41 .I ltview |
42 relies on Radiance's |
42 relies on Radiance's |
43 .I rad(1) |
43 .I rad(1) |
44 command to compile an octree and to call |
44 command to compile an octree using |
|
45 .I oconv(1) |
|
46 and to call |
45 .I rvu(1) |
47 .I rvu(1) |
46 to display an interactive preview of the luminaire. |
48 to display an interactive preview of the luminaire. |
47 The default behaviour for |
49 The default behaviour for |
48 .I ltview |
50 .I ltview |
49 is to scale the luminaire or output from |
51 is to scale the luminaire or output from |
50 .I ies2rad(1) |
52 .I ies2rad(1) |
51 so that the largest dimension of the fitting is unity, centered at the origin. |
53 so that the largest dimension of the fitting is unity, centered at the origin. |
52 This scaled representation of the original fitting is then placed inside a |
54 This scaled representation of the original fitting is then placed inside a |
53 square box 10 units in size. The \-y face of the box is left open so that |
55 square box 10 units in length. The \-y face of the box is left open so that |
54 the camera can look inside, facing +y. |
56 the camera can look inside, facing +y. |
55 If it is desirable to keep the original luminaire in both its original size, |
57 If it is desirable to keep the original luminaire in both its original size, |
56 and its original location, the |
58 and its original location, the |
57 .I "\-r roomsize" |
59 .I "\-r roomsize" |
58 option may be used to fix the room size to a certain |
60 option may be used to fix the room size to a certain |