Overview
In this article we will create a channel that triggers on the existence of a specific text file, indicating something special has happened. An alert message will be displayed on top of everything. The text file may for example be generated by a fire alarm or a traffic surveillance system.
Step by step
In DISE Composer , create a new DISE Movie .
Insert a red rectangle shape .
Put it near the bottom of the screen, its width covering the entire width of the screen.
Go to the Transparency tab in the Object Properties and enter 50 under Transparency .
Insert a ticker .
Make the ticker white and of size 72.
Put the ticker on top of the rectangle.
Right-click the ticker and select Edit .
Select the Data tab, then click the Connect Data button to open the Data Connection dialog .
Under Text file name , enter "C:\alertmessage.txt". and click Ok .
Note: If you uncheck File exists locally on player (don't transmit) the text file will have to be sent out from the distribution computer.
Save the DISE Movie as alert.disemovie .
In Bridge , select a destination and insert a new channel by selecting Add > Channel in the ribbon.
Name it "AlertChannel"
Add the newly created DISE Movie to the channel.
Right-click the channel and select Schedule .
Go to the File logic tab.
Check the box File logic and in the file field below, enter "C:\DISEContent\alertmessage.txt".
Make sure the option File exists , alternatively File contains something is checked.
Click Add to set the schedule.
Send out the destination.
Test the behavior of the alert channel by creating a file "C:\DISEContent\alertmessage.txt" containing some important message:
Result
Knowledge Base
Note: If you uncheck File exists locally on player (don't transmit) the text file will have to be sent out from the distribution computer.
