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SQL, , .
select
word.id, word.Top, word.Left, word.Right, word.Bottom
from
word
where
(word.Top >= @leftColWordTop and word.Top <= @leftColWordBottom)
or (word.Bottom >= @leftColWordTop and word.Bottom <= @leftColWordBottom)
psuedo VB6 .
'assume words is a collection of WordInfo objects with an Id, Top,
' Left, Bottom, Right properties filled in, and a LineAnchorWordId
' property that has not been set yet.
'get the words in left-to-right order
wordsLeftToRight = SortLeftToRight(words)
'also get the words in top-to-bottom order
wordsTopToBottom = SortTopToBottom(words)
'pass through identifying a line "anchor", that being the left-most
' word that starts (and defines) a line
for each anchorWord in wordsLeftToRight
'check if the word has been mapped to aline yet by checking if
' its anchor property has been set yet. This assumes 0 is not
' a valid id, use -1 instead if needed
if anchorWord.LineAnchorWordId = 0 then
'not locate every word on this line, as bounded by the
' anchorWord. every word determined to be on this line
' gets its LineAnchorWordId property set to the Id of the
' anchorWord
for each lineWord in wordsTopToBottom
if lineWord.Bottom < anchorWord.Top Then
'skip it,it is above the line (but keep searching down
' because we haven't reached the anchorWord location yet)
else if lineWord.Top > anchorWord.Bottom Then
'skip it,it is below the line, and exit the search
' early since all the rest will also be below the line
exit for
else if OverlapsWithinTolerance(anchorWord, lineWord) then
lineWord.LineAnchorWordId = anchorWord.Id
endif
next
end if
next anchorWord
'at this point, every word has been assigned a LineAnchorWordId,
' and every word on the same line will have a matching LineAnchorWordId
' value. If stored in a DB you can now group them by LineAnchorWordId
' and sort them by their Left coord to get your output.