Dissecting LSM files: Difference between revisions
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'''.LSM''' is Zeiss' proprietary image format based on [http://en.wikipedia.org/wiki/Tagged_Image_File_Format TIFF]. LSM files are the default data export for the Zeiss LSM series confocal microscopes (e.g. LSM 510, LSM 710). In addition to the image data, LSM files contain most imaging settings. These can be viewed and extracted using additional tools like the | '''.LSM''' is Zeiss' proprietary image format based on [http://en.wikipedia.org/wiki/Tagged_Image_File_Format TIFF]. LSM files are the default data export for the Zeiss LSM series confocal microscopes (e.g. LSM 510, LSM 710). In addition to the image data, LSM files contain most imaging settings. These can be viewed and extracted using additional tools like the LSM Toolbox for Fiji. | ||
== Imaging properties via a text editor == | == Imaging properties via a text editor == | ||
| Line 9: | Line 9: | ||
DimensionX = 1024 | DimensionX = 1024 | ||
DimensionY = 1024 | DimensionY = 1024 | ||
... | ... | ||
ScalingX = 0.197 µm | ScalingX = 0.197 µm | ||
ScalingY = 0.197 µm | |||
... | |||
</pre> | |||
The interesting parameters come a few lines further down. | |||
<pre> | |||
Objective = Plan-Apochromat 63x/1.4 Oil DIC | |||
... | |||
DetectorVoltage = 800.000 V | |||
... | |||
AmplifierOffset = 0.039 | |||
... | |||
PinholeDiameter = 74.00 µm | |||
... | ... | ||
Wavelength = 488.0 nm | |||
Transmission = 10.00 % | |||
</pre> | </pre> | ||
== Imaging properties via Fiji LSM Toolbox == | |||
Prerequisites | |||
* [http://fiji.sc Fiji] open access image software | |||
* [http://imagejdocu.tudor.lu/doku.php?id=plugin:inputoutput:lsmtoolbox:start LSM Toolbox] (screenshot below) | |||
[[Image:Fiji LSM Toolbox.png]] | |||
== Links == | == Links == | ||
Latest revision as of 07:32, 16 December 2011
.LSM is Zeiss' proprietary image format based on TIFF. LSM files are the default data export for the Zeiss LSM series confocal microscopes (e.g. LSM 510, LSM 710). In addition to the image data, LSM files contain most imaging settings. These can be viewed and extracted using additional tools like the LSM Toolbox for Fiji.
Imaging properties via a text editor
One low tech method of checking the imaging settings is to open the LSM file in a text editor. The file starts with several hundreds of lines of partly illegible characters. In the files tested, imaging settings started at line 1652 with the following text:
BEGIN AcquisitionParameters 10002
DimensionX = 1024
DimensionY = 1024
...
ScalingX = 0.197 µm
ScalingY = 0.197 µm
...
The interesting parameters come a few lines further down.
Objective = Plan-Apochromat 63x/1.4 Oil DIC
...
DetectorVoltage = 800.000 V
...
AmplifierOffset = 0.039
...
PinholeDiameter = 74.00 µm
...
Wavelength = 488.0 nm
Transmission = 10.00 %
Imaging properties via Fiji LSM Toolbox
Prerequisites
- Fiji open access image software
- LSM Toolbox (screenshot below)
Links
- Zeiss LSM microscope page (only the latest models) & LSM 710 homepage
- LSM entry wikipedia
- Fiji LSM Toolbox (Fiji is an open source imaging package)
- MatLab LSM toolbox
