On 0, "David Nečas (Yeti)" <[email protected]> wrote: > On Wed, Jul 20, 2011 at 11:20:23AM +0200, Mathias Müller wrote: > > > > 1) Stability...gwyddion crashes randomly. This can occur directly after > > starting the program or somwhere in between. It is not reproducible. It > > really happens by hazard. > > Well, it is hard to deduce anything from this. What OS? Any system > error? Anything in the console/log?
OS = ArchLinux x86_64 > > 2) data preview is not correct. i.e. I saved AFM scans as jpeg with a > > certain dimension (1µm x 1µm) and 1024x1024 pxl. When saving them again, > > there are some previews of data files on the right side of the data browser > > moving the highlighted bar on them. These previews show wrong x-y > > dimensions. > > > > To clearify this, the original data has an aspect x-y ratio of 1 but 1024 x > > 512 > > pxl. When scaling the data to a 1024x1024 pxl image with still 1 x 1 µm > > square x-y dimension, and saving this, the image is a square but the preview > > shows a x-y aspect ratio correlated with the original 1014x512 pxl image. So > > the image preview says: 1024x1024 pxl image with 1µm x 0.5 µm. > > I am not sure if I understand what is saved as what and seen where. So > I will describe how it works happen and please compare if your > observation matches it or not. > > There are two kind of previews: > > - The brief one that appears immediately and always consists only of > a single image. This shows a thumbnail that some program (not > necessarily Gwyddion) created for the file. Gwyddion should create > a thumbnail upon saving a file or upon opening it but only if the > thumbnail does not exist yet. > > - The full preview that appears after a short delay. This is obtained > by actually loading the file and always shows what you would get in > Gwyddion. But it cannot be, of course, shown for files that cannot be > loaded without uses intervention (raw data, ...). > > In addition, there are two ways an image with different pixel and > physical aspect ratio can be displayed: with square pixels or with > physically right aspect ratio. The preview always uses the first > method, i.e. square pixels. Maybe I forgot to mention; I save the file as jpeg which is previewed with wrong parameters inside the save-data-browser-window. I don't point on the preview of raw data, just those jpeg files. I guess this is the thumbnail? > Regards, > > Yeti > > > ------------------------------------------------------------------------------ > 10 Tips for Better Web Security > Learn 10 ways to better secure your business today. Topics covered include: > Web security, SSL, hacker attacks & Denial of Service (DoS), private keys, > security Microsoft Exchange, secure Instant Messaging, and much more. > http://www.accelacomm.com/jaw/sfnl/114/51426210/ > _______________________________________________ > Gwyddion-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/gwyddion-users ------------------------------------------------------------------------------ 10 Tips for Better Web Security Learn 10 ways to better secure your business today. Topics covered include: Web security, SSL, hacker attacks & Denial of Service (DoS), private keys, security Microsoft Exchange, secure Instant Messaging, and much more. http://www.accelacomm.com/jaw/sfnl/114/51426210/ _______________________________________________ Gwyddion-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gwyddion-users
