Document (#18999)

Author

Ramesh Babu, B.

Title

Some thoughts on requirements for a good index to a book

Source

Lucknow librarian. 23(1991) no.2, S.56-62

Year

1991

Abstract

Discusses the characteristics of a good book index such as exhaustiveness, internal and external guidance, indexing scheme, depth of index, alphabetization, locators, physical appearance and layout. Highlights current indexing practices and enumerates the qualities and ethical responsibilities of indexers

Theme

Register

Similar documents (author)

1. Babu, B.Ramesh -> Ramesh Babu, B.: 7.00

   7.0023685 = sum of:
     7.0023685 = sum of:
       2.8486638 = weight(author_txt:ramesh in 4) [ClassicSimilarity], result of:
         2.8486638 = score(doc=4,freq=1.0), product of:
           0.69986355 = queryWeight, product of:
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.07522525 = queryNorm
           4.070313 = fieldWeight in 4, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.4375 = fieldNorm(doc=4)
       4.1537046 = weight(author_txt:babu in 4) [ClassicSimilarity], result of:
         4.1537046 = score(doc=4,freq=2.0), product of:
           0.7142765 = queryWeight, product of:
             1.0102445 = boost
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.07522525 = queryNorm
           5.815262 = fieldWeight in 4, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.4375 = fieldNorm(doc=4)
   

2. Ramesh Babu, B. -> Babu, B.R,: 7.00

   7.0023685 = sum of:
     7.0023685 = sum of:
       2.8486638 = weight(author_txt:ramesh in 6353) [ClassicSimilarity], result of:
         2.8486638 = score(doc=6353,freq=1.0), product of:
           0.69986355 = queryWeight, product of:
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.07522525 = queryNorm
           4.070313 = fieldWeight in 6353, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.4375 = fieldNorm(doc=6353)
       4.1537046 = weight(author_txt:babu in 6353) [ClassicSimilarity], result of:
         4.1537046 = score(doc=6353,freq=2.0), product of:
           0.7142765 = queryWeight, product of:
             1.0102445 = boost
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.07522525 = queryNorm
           5.815262 = fieldWeight in 6353, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.4375 = fieldNorm(doc=6353)
   

3. Ramesh Babu, B.: User preferences for indexes in philosophical books : a survey (1992) 6.61

   6.612316 = sum of:
     6.612316 = sum of:
       3.2556157 = weight(author_txt:ramesh in 6445) [ClassicSimilarity], result of:
         3.2556157 = score(doc=6445,freq=1.0), product of:
           0.69986355 = queryWeight, product of:
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.07522525 = queryNorm
           4.6517863 = fieldWeight in 6445, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.5 = fieldNorm(doc=6445)
       3.3567007 = weight(author_txt:babu in 6445) [ClassicSimilarity], result of:
         3.3567007 = score(doc=6445,freq=1.0), product of:
           0.7142765 = queryWeight, product of:
             1.0102445 = boost
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.07522525 = queryNorm
           4.6994414 = fieldWeight in 6445, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.5 = fieldNorm(doc=6445)
   

4. Ramesh Babu, B.: ¬An investigation into the treatment of personal names in book indexes (1991) 6.61

   6.612316 = sum of:
     6.612316 = sum of:
       3.2556157 = weight(author_txt:ramesh in 2160) [ClassicSimilarity], result of:
         3.2556157 = score(doc=2160,freq=1.0), product of:
           0.69986355 = queryWeight, product of:
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.07522525 = queryNorm
           4.6517863 = fieldWeight in 2160, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.5 = fieldNorm(doc=2160)
       3.3567007 = weight(author_txt:babu in 2160) [ClassicSimilarity], result of:
         3.3567007 = score(doc=2160,freq=1.0), product of:
           0.7142765 = queryWeight, product of:
             1.0102445 = boost
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.07522525 = queryNorm
           4.6994414 = fieldWeight in 2160, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.5 = fieldNorm(doc=2160)
   

5. Ramesh Babu, B.; O'Brien, A.: Web OPAC interfaces : an overview (2000) 5.79

   5.785777 = sum of:
     5.785777 = sum of:
       2.8486638 = weight(author_txt:ramesh in 768) [ClassicSimilarity], result of:
         2.8486638 = score(doc=768,freq=1.0), product of:
           0.69986355 = queryWeight, product of:
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.07522525 = queryNorm
           4.070313 = fieldWeight in 768, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.303573 = idf(docFreq=10, maxDocs=44421)
             0.4375 = fieldNorm(doc=768)
       2.937113 = weight(author_txt:babu in 768) [ClassicSimilarity], result of:
         2.937113 = score(doc=768,freq=1.0), product of:
           0.7142765 = queryWeight, product of:
             1.0102445 = boost
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.07522525 = queryNorm
           4.1120114 = fieldWeight in 768, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.398883 = idf(docFreq=9, maxDocs=44421)
             0.4375 = fieldNorm(doc=768)
   

Similar documents (content)

1. Frame, A.: Indexers and publishers : their views on indexers and indexing (1996) 0.24

   0.24020573 = sum of:
     0.24020573 = product of:
       0.8578776 = sum of:
         0.020173645 = weight(abstract_txt:discusses in 4736) [ClassicSimilarity], result of:
           0.020173645 = score(doc=4736,freq=1.0), product of:
             0.06538007 = queryWeight, product of:
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.01655375 = queryNorm
             0.30855957 = fieldWeight in 4736, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.038011175 = weight(abstract_txt:characteristics in 4736) [ClassicSimilarity], result of:
           0.038011175 = score(doc=4736,freq=1.0), product of:
             0.09973861 = queryWeight, product of:
               1.2351195 = boost
               4.8781815 = idf(docFreq=918, maxDocs=44421)
               0.01655375 = queryNorm
             0.38110793 = fieldWeight in 4736, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8781815 = idf(docFreq=918, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.043616302 = weight(abstract_txt:practices in 4736) [ClassicSimilarity], result of:
           0.043616302 = score(doc=4736,freq=1.0), product of:
             0.10931716 = queryWeight, product of:
               1.2930684 = boost
               5.107054 = idf(docFreq=730, maxDocs=44421)
               0.01655375 = queryNorm
             0.3989886 = fieldWeight in 4736, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.107054 = idf(docFreq=730, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.34061483 = weight(abstract_txt:indexers in 4736) [ClassicSimilarity], result of:
           0.34061483 = score(doc=4736,freq=13.0), product of:
             0.1829997 = queryWeight, product of:
               1.6730253 = boost
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.01655375 = queryNorm
             1.8612863 = fieldWeight in 4736, product of:
               3.6055512 = tf(freq=13.0), with freq of:
                 13.0 = termFreq=13.0
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.107834525 = weight(abstract_txt:indexing in 4736) [ClassicSimilarity], result of:
           0.107834525 = score(doc=4736,freq=4.0), product of:
             0.15864182 = queryWeight, product of:
               2.2029324 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.01655375 = queryNorm
             0.67973584 = fieldWeight in 4736, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.15876953 = weight(abstract_txt:good in 4736) [ClassicSimilarity], result of:
           0.15876953 = score(doc=4736,freq=2.0), product of:
             0.2586826 = queryWeight, product of:
               2.81304 = boost
               5.5551386 = idf(docFreq=466, maxDocs=44421)
               0.01655375 = queryNorm
             0.6137619 = fieldWeight in 4736, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.5551386 = idf(docFreq=466, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
         0.1488576 = weight(abstract_txt:index in 4736) [ClassicSimilarity], result of:
           0.1488576 = score(doc=4736,freq=2.0), product of:
             0.28366137 = queryWeight, product of:
               3.6077633 = boost
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.01655375 = queryNorm
             0.52477217 = fieldWeight in 4736, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.078125 = fieldNorm(doc=4736)
       0.28 = coord(7/25)
   

2. Wright, J.C.: How to index online (1997) 0.16

   0.16462494 = sum of:
     0.16462494 = product of:
       0.6859373 = sum of:
         0.024208374 = weight(abstract_txt:discusses in 4729) [ClassicSimilarity], result of:
           0.024208374 = score(doc=4729,freq=1.0), product of:
             0.06538007 = queryWeight, product of:
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.01655375 = queryNorm
             0.37027147 = fieldWeight in 4729, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
         0.09365647 = weight(abstract_txt:internal in 4729) [ClassicSimilarity], result of:
           0.09365647 = score(doc=4729,freq=1.0), product of:
             0.16112398 = queryWeight, product of:
               1.5698472 = boost
               6.2002096 = idf(docFreq=244, maxDocs=44421)
               0.01655375 = queryNorm
             0.5812696 = fieldWeight in 4729, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.2002096 = idf(docFreq=244, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
         0.11336347 = weight(abstract_txt:indexers in 4729) [ClassicSimilarity], result of:
           0.11336347 = score(doc=4729,freq=1.0), product of:
             0.1829997 = queryWeight, product of:
               1.6730253 = boost
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.01655375 = queryNorm
             0.6194735 = fieldWeight in 4729, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
         0.11206493 = weight(abstract_txt:indexing in 4729) [ClassicSimilarity], result of:
           0.11206493 = score(doc=4729,freq=3.0), product of:
             0.15864182 = queryWeight, product of:
               2.2029324 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.01655375 = queryNorm
             0.7064022 = fieldWeight in 4729, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
         0.09002429 = weight(abstract_txt:book in 4729) [ClassicSimilarity], result of:
           0.09002429 = score(doc=4729,freq=1.0), product of:
             0.19772038 = queryWeight, product of:
               2.459337 = boost
               4.8566523 = idf(docFreq=938, maxDocs=44421)
               0.01655375 = queryNorm
             0.45531115 = fieldWeight in 4729, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8566523 = idf(docFreq=938, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
         0.2526197 = weight(abstract_txt:index in 4729) [ClassicSimilarity], result of:
           0.2526197 = score(doc=4729,freq=4.0), product of:
             0.28366137 = queryWeight, product of:
               3.6077633 = boost
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.01655375 = queryNorm
             0.8905679 = fieldWeight in 4729, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.09375 = fieldNorm(doc=4729)
       0.24 = coord(6/25)
   

3. Frame, A.: Indexers and publishers : their views on indexers and indexing (1996) 0.14

   0.13842253 = sum of:
     0.13842253 = product of:
       0.6921126 = sum of:
         0.038011175 = weight(abstract_txt:characteristics in 4737) [ClassicSimilarity], result of:
           0.038011175 = score(doc=4737,freq=1.0), product of:
             0.09973861 = queryWeight, product of:
               1.2351195 = boost
               4.8781815 = idf(docFreq=918, maxDocs=44421)
               0.01655375 = queryNorm
             0.38110793 = fieldWeight in 4737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8781815 = idf(docFreq=918, maxDocs=44421)
               0.078125 = fieldNorm(doc=4737)
         0.043616302 = weight(abstract_txt:practices in 4737) [ClassicSimilarity], result of:
           0.043616302 = score(doc=4737,freq=1.0), product of:
             0.10931716 = queryWeight, product of:
               1.2930684 = boost
               5.107054 = idf(docFreq=730, maxDocs=44421)
               0.01655375 = queryNorm
             0.3989886 = fieldWeight in 4737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.107054 = idf(docFreq=730, maxDocs=44421)
               0.078125 = fieldNorm(doc=4737)
         0.29873896 = weight(abstract_txt:indexers in 4737) [ClassicSimilarity], result of:
           0.29873896 = score(doc=4737,freq=10.0), product of:
             0.1829997 = queryWeight, product of:
               1.6730253 = boost
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.01655375 = queryNorm
             1.6324561 = fieldWeight in 4737, product of:
               3.1622777 = tf(freq=10.0), with freq of:
                 10.0 = termFreq=10.0
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.078125 = fieldNorm(doc=4737)
         0.053917263 = weight(abstract_txt:indexing in 4737) [ClassicSimilarity], result of:
           0.053917263 = score(doc=4737,freq=1.0), product of:
             0.15864182 = queryWeight, product of:
               2.2029324 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.01655375 = queryNorm
             0.33986792 = fieldWeight in 4737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.078125 = fieldNorm(doc=4737)
         0.25782892 = weight(abstract_txt:index in 4737) [ClassicSimilarity], result of:
           0.25782892 = score(doc=4737,freq=6.0), product of:
             0.28366137 = queryWeight, product of:
               3.6077633 = boost
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.01655375 = queryNorm
             0.9089321 = fieldWeight in 4737, product of:
               2.4494898 = tf(freq=6.0), with freq of:
                 6.0 = termFreq=6.0
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.078125 = fieldNorm(doc=4737)
       0.2 = coord(5/25)
   

4. Lathrop, L.: Indexing after the millenium 2 : existing skills influence future development (1998) 0.12

   0.12346103 = sum of:
     0.12346103 = product of:
       0.61730516 = sum of:
         0.13225737 = weight(abstract_txt:indexers in 5639) [ClassicSimilarity], result of:
           0.13225737 = score(doc=5639,freq=1.0), product of:
             0.1829997 = queryWeight, product of:
               1.6730253 = boost
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.01655375 = queryNorm
             0.7227191 = fieldWeight in 5639, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.6077175 = idf(docFreq=162, maxDocs=44421)
               0.109375 = fieldNorm(doc=5639)
         0.07548417 = weight(abstract_txt:indexing in 5639) [ClassicSimilarity], result of:
           0.07548417 = score(doc=5639,freq=1.0), product of:
             0.15864182 = queryWeight, product of:
               2.2029324 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.01655375 = queryNorm
             0.4758151 = fieldWeight in 5639, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.109375 = fieldNorm(doc=5639)
         0.105028346 = weight(abstract_txt:book in 5639) [ClassicSimilarity], result of:
           0.105028346 = score(doc=5639,freq=1.0), product of:
             0.19772038 = queryWeight, product of:
               2.459337 = boost
               4.8566523 = idf(docFreq=938, maxDocs=44421)
               0.01655375 = queryNorm
             0.53119636 = fieldWeight in 5639, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8566523 = idf(docFreq=938, maxDocs=44421)
               0.109375 = fieldNorm(doc=5639)
         0.15717381 = weight(abstract_txt:good in 5639) [ClassicSimilarity], result of:
           0.15717381 = score(doc=5639,freq=1.0), product of:
             0.2586826 = queryWeight, product of:
               2.81304 = boost
               5.5551386 = idf(docFreq=466, maxDocs=44421)
               0.01655375 = queryNorm
             0.6075933 = fieldWeight in 5639, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.5551386 = idf(docFreq=466, maxDocs=44421)
               0.109375 = fieldNorm(doc=5639)
         0.14736149 = weight(abstract_txt:index in 5639) [ClassicSimilarity], result of:
           0.14736149 = score(doc=5639,freq=1.0), product of:
             0.28366137 = queryWeight, product of:
               3.6077633 = boost
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.01655375 = queryNorm
             0.51949793 = fieldWeight in 5639, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.109375 = fieldNorm(doc=5639)
       0.2 = coord(5/25)
   

5. Cunningham, J.: Getting the most from Alta Vista (1996) 0.12

   0.12026329 = sum of:
     0.12026329 = product of:
       0.60131645 = sum of:
         0.024208374 = weight(abstract_txt:discusses in 768) [ClassicSimilarity], result of:
           0.024208374 = score(doc=768,freq=1.0), product of:
             0.06538007 = queryWeight, product of:
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.01655375 = queryNorm
             0.37027147 = fieldWeight in 768, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.9495623 = idf(docFreq=2325, maxDocs=44421)
               0.09375 = fieldNorm(doc=768)
         0.17772284 = weight(abstract_txt:appearance in 768) [ClassicSimilarity], result of:
           0.17772284 = score(doc=768,freq=1.0), product of:
             0.24696219 = queryWeight, product of:
               1.9435358 = boost
               7.676116 = idf(docFreq=55, maxDocs=44421)
               0.01655375 = queryNorm
             0.71963584 = fieldWeight in 768, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.676116 = idf(docFreq=55, maxDocs=44421)
               0.09375 = fieldNorm(doc=768)
         0.18157472 = weight(abstract_txt:qualities in 768) [ClassicSimilarity], result of:
           0.18157472 = score(doc=768,freq=1.0), product of:
             0.2505178 = queryWeight, product of:
               1.9574766 = boost
               7.731176 = idf(docFreq=52, maxDocs=44421)
               0.01655375 = queryNorm
             0.7247977 = fieldWeight in 768, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.731176 = idf(docFreq=52, maxDocs=44421)
               0.09375 = fieldNorm(doc=768)
         0.091500625 = weight(abstract_txt:indexing in 768) [ClassicSimilarity], result of:
           0.091500625 = score(doc=768,freq=2.0), product of:
             0.15864182 = queryWeight, product of:
               2.2029324 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.01655375 = queryNorm
             0.57677495 = fieldWeight in 768, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.09375 = fieldNorm(doc=768)
         0.12630986 = weight(abstract_txt:index in 768) [ClassicSimilarity], result of:
           0.12630986 = score(doc=768,freq=1.0), product of:
             0.28366137 = queryWeight, product of:
               3.6077633 = boost
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.01655375 = queryNorm
             0.44528395 = fieldWeight in 768, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.7496953 = idf(docFreq=1044, maxDocs=44421)
               0.09375 = fieldNorm(doc=768)
       0.2 = coord(5/25)