<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><p style="box-sizing: border-box; margin-bottom: 16px; color: rgb(36, 41, 46); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; margin-top: 0px !important;">Context</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px; color: rgb(36, 41, 46); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";">Issue type** (bug report):<br style="box-sizing: border-box;">Operating system** (Windows 10):<br style="box-sizing: border-box;">Platform** (64-bit x86,):<br style="box-sizing: border-box;">OpenSlide Python version** (<code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 11.9px; padding: 0.2em 0.4em; margin: 0px; background-color: rgba(27, 31, 35, 0.05); border-radius: 6px;">py3.6.10</code>):<br style="box-sizing: border-box;">OpenSlide version** (<code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 11.9px; padding: 0.2em 0.4em; margin: 0px; background-color: rgba(27, 31, 35, 0.05); border-radius: 6px;">openslide.__library_version__</code>):<br style="box-sizing: border-box;"><span style="box-sizing: border-box; font-weight: 600;">Slide format</span> (SVS,):</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px; color: rgb(36, 41, 46); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";">Details:</p><ul style="box-sizing: border-box; padding-left: 2em; margin-top: 0px; color: rgb(36, 41, 46); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; margin-bottom: 0px !important;"><li style="box-sizing: border-box; margin-left: 0px;">Running on <a href="http://127.0.0.1:5000/" rel="nofollow" style="box-sizing: border-box; background-color: initial; color: rgb(3, 102, 214); text-decoration-line: none;">http://127.0.0.1:5000/</a> (Press CTRL+C to quit)<br style="box-sizing: border-box;">C:\Users\sk\Desktop\python\openslide-python-master\examples\deepzoom\slide\ftv0fno1ontsv4ce2d1cpaj0_0.svs: Failed to allocate memory for to read TIFF directory (0 elements of 12 bytes each).<br style="box-sizing: border-box;">TIFFReadDirectory: Failed to read directory at offset 858581370.<br style="box-sizing: border-box;">C:\Users\sk\Desktop\python\openslide-python-master\examples\deepzoom\slide\ftv0fno1ontsv4ce2d1cpaj0_0.svs: Failed to allocate memory for to read TIFF directory (0 elements of 12 bytes each).<br style="box-sizing: border-box;">TIFFReadDirectory: Failed to read directory at offset 858581370.<br style="box-sizing: border-box;">127.0.0.1 - - [18/Aug/2020 12:28:57] "�[37mGET /ftv0fno1ontsv4ce2d1cpaj0_0.svs HTTP/1.1�[0m" 200 -<br style="box-sizing: border-box;">127.0.0.1 - - [18/Aug/2020 12:28:57] "�[37mGET /ftv0fno1ontsv4ce2d1cpaj0_0.svs.dzi HTTP/1.1�[0m" 200 -<br style="box-sizing: border-box;">[2020-08-18 12:29:15,583] ERROR in app: Exception on /ftv0fno1ontsv4ce2d1cpaj0_0.svs_files/8/0_0.jpeg [GET]<br style="box-sizing: border-box;">Traceback (most recent call last):<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask\app.py", line 2447, in wsgi_app<br style="box-sizing: border-box;">response = self.full_dispatch_request()<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask\app.py", line 1952, in full_dispatch_request<br style="box-sizing: border-box;">rv = self.handle_user_exception(e)<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask\app.py", line 1821, in handle_user_exception<br style="box-sizing: border-box;">reraise(exc_type, exc_value, tb)<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask_compat.py", line 39, in reraise<br style="box-sizing: border-box;">raise value<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask\app.py", line 1950, in full_dispatch_request<br style="box-sizing: border-box;">rv = self.dispatch_request()<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\flask\app.py", line 1936, in dispatch_request<br style="box-sizing: border-box;">return self.view_functions<a href="https://github.com/openslide/openslide-python/issues/**req.view_args" style="box-sizing: border-box; background-color: initial; color: rgb(3, 102, 214); text-decoration-line: none;">rule.endpoint</a><br style="box-sizing: border-box;">File "deepzoom_multiserver.py", line 160, in tile<br style="box-sizing: border-box;">tile = slide.get_tile(level, (col, row))<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\openslide\deepzoom.py", line 150, in get_tile<br style="box-sizing: border-box;">tile = self.<em style="box-sizing: border-box;">osr.read_region(*args)<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\openslide_<em style="box-sizing: border-box;">init</em></em>.py", line 223, in read_region<br style="box-sizing: border-box;">level, size[0], size[1])<br style="box-sizing: border-box;">File "C:\Users\sk\anaconda3\envs\pviewer\lib\site-packages\openslide\lowlevel.py", line 258, in read_region<br style="box-sizing: border-box;">buf = (w * h * c_uint32)()<br style="box-sizing: border-box;">MemoryError</li><li style="box-sizing: border-box; margin-left: 0px;">aperio open is ok<img src="https://user-images.githubusercontent.com/37448773/90471766-9a90c180-e151-11ea-87ce-c6f1dfd12e7e.png" orgwidth="1677" orgheight="878" data-image="1" style="width: 774px; height: 405px;"></li><li style="box-sizing: border-box; margin-left: 0px;">openslide open : TIFFReadDirectory: Failed to read directory at offset 858581370</li><li style="box-sizing: border-box; margin-left: 0px;">and Memory up to 90%<img src="https://user-images.githubusercontent.com/37448773/90472280-b6489780-e152-11ea-8732-71c83ea03c61.png" orgwidth="1280" orgheight="168" data-image="1" style="width: 774px; height: 101px;"></li><li style="box-sizing: border-box; margin-left: 0px;">fail to open .svs  file download url:      <a rel="nofollow" href="https://slice-telepathcloud.oss-cn-shanghai.aliyuncs.com/ybl2ossmove/202008/17/92_b5c63040533829f93b6b43f0a71b2486/ftv0fno1ontsv4ce2d1cpaj0_0.svs" style="box-sizing: border-box; color: rgb(3, 102, 214); outline: none; box-shadow: none;">https://slice-telepathcloud.oss-cn-shanghai.aliyuncs.com/ybl2ossmove/202008/17/92_b5c63040533829f93b6b43f0a71b2486/ftv0fno1ontsv4ce2d1cpaj0_0.svs</a></li></ul></div><br><br><span title="neteasefooter"><p> </p></span>