Nano-5G Series GigE Vision Camera
Operational Reference
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115
Extracting Metadata Stored in a Sapera Buffer
For Sapera LT developers, the
“SapMetadata”
class is included with Sapera version 8.42.
Sapera also provides two methods to view metadata. The Sapera CamExpert tool provides a tab
(when the Metadata feature is enabled) to view the metadata of the last frame capture, as shown
by the following image.
Alternatively, Sapera LT provides a demo program called GigEMetaDataDemo.exe which will grab a
number of frames and display the metadata or save it to a file (.csv). In addition, source code and
C++ project files are included for a console based executable.
The following figure shows the Sapera Explorer tool screen with the Metadata Example highlighted.
Important
:
When an internal
is selected, the Metadata feature values for Exposure Time
(
ExposureTime
) and Exposure Delay (
exposureDelay
) are not valid values and must be ignored.
When in free running (not triggered) mode, the Metadata value for feature Exposure Delay
(
exposureDelay
) is not a valid value and must be ignored.
The value of LineStatusAll is updated on the start of exposure.
For Sony sensor mod
els, the metadata “analogGain” represents the raw gain value divided by 100.
Summary of Contents for Genie Nano-5G Series
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