Open Visio first. We can directly select the "basic block diagram" to draw.
You can also select some templates.
This time we will take the "flow chart" as an example to draw.
Because we want to draw the technical roadmap of the paper, all kinds of shapes can be simple, so we choose "basic flow chart"
Then select the vertical streamline diagram.
After entering the drawing interface, we first modify its professional type, that is, the theme. Because it is used for graduation thesis, it is better to choose a simple black and white theme.
Then, click to change the "background" to pure white, which is convenient for us to draw.
When drawing, just drag the shape we need from the left column ~ If you need to draw a big box surrounded by several shapes, you can choose to draw a "rectangle".
Then draw.
Then, set its fill color, dotted line type and so on.
If we want to match the text, we can directly select "Text" to draw the text box.
"Rectangle" and "Text" are drawn as follows.
When you finish drawing, select File.
Select "Save As".
Here, I keep it in. Png format.
Then a window pops up.
In order to make the picture clearer, you can configure it as follows:
Then look at the map, very good, the picture will automatically focus on what we draw.