Deallocation of the memory of a template.

The operator ::clear_template deallocates the memory of a template which has been created by ::create_template or ::create_template_rot. After execution of the operator ::clear_template the template can no longer be used. The value of TemplateID is not valid. However, the number can be used again by further calls of ::create_template or ::create_template_rot.

If the number of the template is valid, the operator ::clear_template returns the value H_MSG_TRUE. If necessary an exception handling will be raised.

::create_template, ::create_template_rot, ::read_template, ::write_template

Gray value template matching