Software /





General

X-Scan is linked to the PC via an RS-232 cable. The PC sends a command string to the detector through an RS-232 cable and vice versa. Upon receiving the command, X-Scan reads the string and interprets the command according to the same protocol. If the command is correct, X-Scan will perform the required operations. Then X-Scan returns a string containing the operation results and the data required by the PC. The reply string is obtained and analysed by the PC to identify whether the command has been successfully executed or an error has occurred.

The low-level (hardware-related) operation of X-Scan, i.e., the implementation of the communication protocol, is encapsulated in a C++ class named Fastscan, which can be exported from the dynamic-link library dtfscan32.dll (where32 refers to the version number 3.2). For end users, to program the X-Scan means to construct an object Fastscan and then call its public member methods to control the detector.


Environment and Compatibility

Programming with X-Scan and dtfscan32.dll requires:

- Microsoft Visual C++ 6.0 or later
- MFC 4.2 or later
The library dtfscan32.dll is independent of the framegrabber driver or other image processing libraries. The structure of the X-scan user interface application might be a good example to show how dtfscan32.dll works in an application, demonstrated in the following picture:


The structure of applications based on X-Scan
 
At present, X-View controls X-Scan through the DT library dtfscan32.dll. All the other applications must behave similarly. X-View requires a Coreco PC-DIG framegrabber board, the IFC libraries for image grabbing and image processing. However, applications based on X-Scan may use other framegrabbers (as long as the framegrabber is compatible with the X-Scan hardware) and other image processing libraries, since dtfscan32.dll is independent of these libraries.

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