When we are watching a video, we often see watermarks around the four corners of the video. Some of these watermarks are used to beautify the video, some are used to prevent plagiarism, and some are used to reflect the provenance of the video... The appropriate watermark has its indispensable role in the work.
In iMindMap mind mapping software, we can easily play the work in slideshow mode. At this time, it will become a dynamic playback state, so watermark can be added appropriately. The watermark in iMindMap is actually its "logo" function . Let's take a look at how to add watermark to iMindMap mind map!
First, we do a simple mind map, then click on the home page under the "Demo" Creating a slideshow mode, as shown below: 
Click on the slide page "trademark" menu, a window will pop up as follows: 
in The default in the above picture is the background. Do you see the "logo" next to it? Click on it and we will see the following interface:
Click the above option, and you will select the icon in your computer disk that you want to add to the slideshow, as shown
in the figure below: In the figure above we can also see the "logo position", the default is in the lower right. We can adjust the position of the logo by clicking the arrow button. 
The effect after adding it is as follows: 
Does this look like what we call a watermark? This is the watermark in the hand-drawn mind map of iMindMap
Click to view the iMindMap address:
https://blog.csdn.net/CaiHuaZeiPoJie/article/details/108183637