Dtal2 command is an evolution of Dtal available on my page.

It serves to draw the slope patterns.

To use, call DTAL2 on the command line.

Then click on to fixed line (item 1 in the diagram) and then the mobile line (item 2 in the diagram):

You can click the "Configure" option, this screen will appear:

In it, choice the type of the slope pattern:

You can also choose:

You can still click the "Save" button to save these settings and use in future designs.