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-rw-r--r--examples/findContours.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/examples/findContours.py b/examples/findContours.py
index a7b5ac4..6199ba6 100644
--- a/examples/findContours.py
+++ b/examples/findContours.py
@@ -549,9 +549,10 @@ class FindContours(qt.QMainWindow):
self.__customValue = value
div = 12
delta = (self.__image.max() - self.__image.min()) / div
- self.__value.setValue(value)
- self.__value.setRange(self.__image.min() + delta,
- self.__image.min() + delta * (div - 1))
+ self.__value.setValue(int(numpy.round(value)))
+ minv = self.__image.min() + delta
+ maxv = self.__image.min() + delta * (div - 1)
+ self.__value.setRange(int(numpy.floor(minv)), int(numpy.ceil(maxv)))
self.updateCustomContours()
def generate(self):