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当然，最大的区别在于离线 HMI 应用程序中不提供正常的图像采集及其所有功能（如过滤）。因此，真正的图像采集及其所有参数都无法使用。例如，功能处理时间（FunctionProcessingTime）在离线 HMI 应用程序中就没有意义（因为在 PC 上执行时的值与在摄像机上执行时的值不可比）。
通过目录对话框和选择图像文件获取图像，请参阅使用图像资料。
当离线 HMI 应用程序打开时，AS 的属性窗口为空。
如果对视觉应用程序进行了更改，则不再需要编译整个 AS 项目。只需编译视觉应用程序。
在打开离线 HMI 应用程序之前，会直接构建视觉应用程序。无需编译整个 AS 项目。
如果更改了参数，必须在正常编辑模式下保存。在离线 HMI 应用程序中，参数会自动更新。
变量值会自动写回视觉应用程序。
•执行兴趣区域"。
•视觉功能的参数
•模型（用于基于模型的视觉功能）。
The biggest difference is certainly that normal image acquisition and all its functions (e.g. filtering) are not available in an offline HMI application. So real image acquisition with all its parameters is not available. FunctionProcessingTime, for example, therefore has no significance in an offline HMI application (Since the values when executed on the PC are not comparable with the execution on the camera).
Images are acquired via a directory dialog box and selecting an image file, see Using image material.
When an offline HMI application is open, the properties window in Automation Studio is empty.
If changes are made in the Vision Application, it is no longer necessary to compile the entire AS project. Only the vision application needs to be compiled.
The vision application is built directly before opening the offline HMI application. It is not necessary to compile the whole AS project.
If parameters have been changed, they must be saved in the normal editing mode. In offline HMI application parameters are automatically updated.
The values of variables are automatically written back to the vision application.
The following aspects of a vision function can be configured:
•The "Execution ROI".
•Parameters of a vision function
•Models (for model-based vision functions).