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[RaiMan <rmhdevelop@xxxxxx>]

That's interesting, but not understandable, because internally, the only
difference between find() and exists(), is that with exists() the
FindFailed exception is catched internally and turned into a true or
false respectively.

I will come back on that after Dec 18th (vacation ;-).

You might send me some screenshots/probes to my mail at https://launchpad.net/~raimund-hocke
Pls. do not post my real mail address here. 

** Changed in: sikuli
     Assignee: (unassigned) => RaiMan (raimund-hocke)

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https://bugs.launchpad.net/bugs/1087315

Title:
  Exists behavior: pattern matching score differs between IDE and actual
  run

Status in Sikuli:
  New

Bug description:
  I have the following situation: I'm trying to see if one variant of an
  image exists, and if it doesn't, then I continue to the next variant.

  I'm using the IDE to determine the match parameters; the threshold for
  my value to appear in the matches is 0.58; below that, it will give me
  false positives. As the color does not need to match perfectly, I'm
  currently matching at 0.75. However, when I use the exists() method,
  it will return me a _false positive_, but the match is high; 0.77.
  This is incorrect and inconsistent with the find() method, which would
  have ignored this piece.

  The image i'm trying to match is an orange button, with white text; on
  the page, it will match a piece of a band of solid gray, the same
  size, but it has none of the details that the source image exhibits.

  Is this a known issue? And if so, apart from different pattern match
  criteria, can I do to avoid having this discrepancy?

  BTW: still on W7/64 with r930. Vision algorithm is at its default
  settings, haven't changed anything there. Can send the images by email
  on request, but I'd rather not share on a public place.

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