def get(self, path, originalPath=None):
with self._lock:
if path in self._cache:
# Move to end of LRU
slide = self._cache.pop(path)
self._cache[path] = slide
return slide
osr = OpenSlide(path)
# try:
# osr = OpenSlide(path)
# except:
# osr = ImageSlide(path)
# Fix for 16 bits tiff files
# if osr._image.getextrema()[1] > 256:
# osr._image = osr._image.point(lambda i:i*(1./256)).convert('L')
slide = DeepZoomGenerator(osr, **self.dz_opts)
slide.osr = osr
slide.associated_images = {}
for name, image in slide.osr.associated_images.items():
slide.associated_images[name] = image
try:
mpp_x = osr.properties[openslide.PROPERTY_NAME_MPP_X]
mpp_y = osr.properties[openslide.PROPERTY_NAME_MPP_Y]
slide.properties = osr.properties
slide.mpp = (float(mpp_x) + float(mpp_y)) / 2
except (KeyError, ValueError):
try:
if osr.properties["tiff.ResolutionUnit"] == "centimetre":
numerator = 10000 # microns in CM
else:
numerator = 25400 # Microns in Inch
mpp_x = numerator / float(osr.properties["tiff.XResolution"])
mpp_y = numerator / float(osr.properties["tiff.YResolution"])
slide.properties = osr.properties
slide.mpp = (float(mpp_x) + float(mpp_y)) / 2
except:
slide.mpp = 0
try:
slide.properties = slide.properties
except:
slide.properties = osr.properties
slide.tileLock = Lock()
if originalPath:
slide.properties = {"Path": originalPath}
with self._lock:
if path not in self._cache:
while len(self._cache) >= self.cache_size:
self._cache.popitem(last=False)
self._cache[path] = slide
return slide
def get(self, path):
with self._lock:
if path in self._cache:
# Move to end of LRU
slide = self._cache.pop(path)
self._cache[path] = slide
return slide
try:
osr = OpenSlide(path)
except:
osr = ImageSlide(path)
#Fix for 16 bits tiff files
if osr._image.getextrema()[1] > 256:
osr._image = osr._image.point(lambda i: i *
(1. / 256)).convert('L')
slide = DeepZoomGenerator(osr, **self.dz_opts)
slide.osr = osr
slide.associated_images = {}
for name, image in slide.osr.associated_images.items():
slide.associated_images[name] = DeepZoomGenerator(
ImageSlide(image))
try:
mpp_x = osr.properties[openslide.PROPERTY_NAME_MPP_X]
mpp_y = osr.properties[openslide.PROPERTY_NAME_MPP_Y]
slide.properties = osr.properties
slide.mpp = (float(mpp_x) + float(mpp_y)) / 2
except (KeyError, ValueError):
slide.mpp = 0
try:
slide.properties = slide.properties
except:
slide.properties = osr.properties
slide.tileLock = Lock()
with self._lock:
if path not in self._cache:
while len(self._cache) >= self.cache_size:
self._cache.popitem(last=False)
self._cache[path] = slide
return slide
