Photometric Errors and Warnings

When opening photometric files, Photometric Toolbox looks for inconsistencies in the file that may cause the file to be invalid. Two types of errors are searched for during this process:

The Repair Console will appear for all photometric files with inconsistent data. Depending on the photometric errors found, you may select Automatic Repair, Manual Repair or Cancel. Warnings can be ignored by clicking Ok.

Automatic Repair

Files with manageable problems will offer the opportunity to be repaired automatically. These photometric errors are as follows:

Manual Repair

The affected  photometric file will be shown in its entirety with its corresponding errors and/or warnings on top. The dialog specifies the inconsistent data on a line by line basis. To see the problem in the file, highlight the line in question. The photometric error location is also shown highlighted.

Warning Exclusions

It may be desirable to prevent photometric files with only warnings from being flagged each time. As warnings do not usually affect the viability of the photometric data, you may wish to disregard these messages.

  1. Select the Ignore All Warnings checkbox. This will prevent any photometric files with just warnings from being displayed in this preliminary dialog.
  2. Photometric files with errors will still be displayed.
  3. You may enable or disable warnings if you wish from the Global System Settings command.

Repairing photometric files

You may edit a photometric file in this dialog and fix any errors or warnings by selecting the Manual Repair button. In order to fix a file, be sure you are knowledgeable of the required format. If you are not familiar with the LM-63 format, you may look it up in this help or purchase the complete documentation set online at www.ies.org. Do not modify a photometric file if you are not familiar with its format. You can introduce additional errors or make the file unusable. It's best to obtain a correct file from the manufacturer.

When a file is repaired, the repairs are not permanent until the photometric file is saved. You will have the option to save the file when the file is loaded into the file list.

Photometric Errors and Warnings

To see the explanation of a particular error or warning, double click on the message displayed. You may also see a complete list by expanding the hot spot below.

ClosedView a listing of all photometric errors and warnings:

Error Class

Error Code

Error Type

Description

Automatic or Manual Repair?

Warning

01

Exponential data found.

Any value in the file given as an exponential (i.e. 3.02E-4).

Manual Repair or Ignore

Error

02

No external tilt file found

File points to an external Tilt file location which cannot be found.

Neither. User must obtain new photometric data.

Error

03

 Invalid number of lamps

Lamp number must be greater than 0

Automatic Repair sets Number of Lamps equal to one.

Error

04

Invalid lumens per lamp

Lamp lumens must be greater than zero, or –1 (which is absolute photometry)

Automatic Repair sets Lamp Lumens equal to one.

Error

05

Invalid candela multiplier

Multiplier value must be greater than zero

Automatic Repair sets Multiplier equal to one.

Warning

06

possible wrong type (i.e. B not C)

Parser assumption may not be correct. Opening these files may not always provide successful results.

Automatic Repair sets the photometric type equal to type C, but mentions that Type B is available.

Error

07

invalid ballast factor

Ballast Factor must be greater than 0

Automatic Repair sets Ballast Factor equal to one.

Error

08

End of File (EOF) within vertical angles

File is truncated, all data needed is not present

Neither. User must obtain new photometric data.

Error

09

vertical angles not in ascending order

Vertical angles must be listed in ascending order. This error usually follows another error which indicates a missing value

Manual Repair only

Error

10

Type C: first vertical angle must be 0 or 90

Photometric web is not complete.

If first vertical angle equals negative ninety (-90), Automatic Repair will suggest setting the photometric type to Type B.

Manual Repair is available

Error

11

Type C: last vertical angle must be 90 or 180

Photometric web is not complete.

Automatic Repair will expand photometric web to 90 or 180 degrees.

Error

12

Type B: first vertical angle must be –90 or 0

Photometric web is not complete.

Automatic Repair will expand photometric web to -90 or 0 degrees.  

Error

13

Type B: last vertical angle must be 90

Photometric web is not complete.

Automatic Repair will expand photometric web to 90 degrees.

If the last vertical angle is 180, 270 or 360, Automatic Repair will suggest setting the photometric type to Type C.

Error

14

End of File (EOF) within horizontal angles

File is truncated, all data needed is not present

Neither. User must obtain new photometric data.

Error

15

Horizontal angles not in ascending order

Horizontal angles must be listed in ascending order. This error usually follows another error which indicates a missing value

Manual Repair is available

Error

16

Type B: first horizontal angle must be –90 or 0
 

Type C: first horizontal angle must be 0 or 90

Photometric web is not complete.

 

Photometric web is not complete.

 

Automatic Repair will expand Type B photometric web to -90 or 0 degrees.

Automatic Repair will expand Type C photometric web to 0 or 90 degrees.

If the photometric Type is Type C and the first horizontal angle is -90, Automatic Repair will suggest setting the photometric type to Type B.

Error

 

17

Type C: last horizontal angle must be 270 if first angle is 90

Photometric web is not complete.

 

Automatic Repair will expand Type C photometric web to 270 degrees.

Error

18

Type C: last horizontal angle must be 90, 180, 270, or 360 if first angle is 0

Photometric web is not complete.

Automatic Repair will expand Type C photometric web to 90, 180, 270 or 360 degrees (next largest valid web).

Error

19

Type B: last horizontal angle must be 90

Photometric web is not complete.

Automatic Repair will expand Type B photometric web to 90 degrees.

Error

20

End of File (EOF) within candela values

File is truncated, all data needed is not present

Neither. User must obtain new photometric data.

Error

21

Negative candela value

Negative values are not allowed. Its impossible to measure negative light

Automatic Repair sets negative candela values equal to zero.

Error

22

Nadir candela values unequal

Nadir candela values must be equal; all measure same point in web

Automatic Repair suggests averaging values and provides the average candela figure. You may specify an alternate nadir value - all individual values are shown.

Standard deviation is used to determine whether error is caused by rounding or if there are inconsistencies in file.

Error

23

Premature End of File (EOF)

File is truncated, all data needed is not present

Manual Repair is available

Warning

24

Contains Pipe “|” character

This character is considered harmful to software which uses Microsoft databases

Manual Repair or Ignore

Error

25

Null file

No information is present in file

Neither. User must obtain new photometric data.

Error

26

Huge file, greater than 100k

Photometric files only contain ASCII data;this file is not a photometric file

Neither. User must obtain new photometric data.

Warning

27

Bad keyword

Either not described in the IESNA LM-63-XXXX document ([TEST], [MORE], [OTHER], etc..), or not prefaced with an underscore:  [MYSPECIALKEY] is invalid [_MYSPECIALKEY] is Ok.

Manual Repair or Ignore

Error

28

Never found a TILT=NONE or TILT=INCLUDE line

Parameter must be included in photometric file. This line specifies tilt information and separates description from data

Manual Repair is available

Error

29

Invalid value for a vertical angle

(non-numeric value). All values after the TILT= line must be numeric

Manual Repair is available

Error

30

Invalid value for a horizontal angle

 (non-numeric value).  All values after the TILT= line must be numeric

Manual Repair is available

Error

31

Invalid units

Correct values are 1 (ft) or 2 (meters)

Automatic Repair sets Photometric Units  equal to one.

Error

 

32

 

Generic non-numeric error while reading values

 (non-numeric value).  All values after the TILT= line must be numeric

Manual Repair is available

 

Error

33

Type B: only one horizontal plane defined

Type B photometry requires a set of horizontal angles from -90 to 90.

Automatic Repair will suggest setting the photometric type to Type C.

Warning

34

LM-63-2002 requires the keywords [TEST], [TESTLAB], [MANUFAC], and [ISSUEDATE].

LM-63-2002 compliance requires these keywords be included as the minimum description.

Manual Repair or Ignore

Error

35

Zenith candela values unequal

Zenith candela values must be equal; all measure same point in web

Automatic Repair suggests averaging values and provides the average candela figure. You may specify an alternate zenith value - all individual values are shown.

Standard deviation is used to determine whether error is caused by rounding or if there are inconsistencies in file.