I'm not sure specifically as I haven't read it. It could be about a journey where crossing the dotted line represents a significant step or boundary in the story, perhaps in a mystery where a clue is found over a dotted line on a map.
No, 'Tear Along the Dotted Line' is not a true story. It might draw on common themes and emotions, but it's a work of imagination and creativity rather than a recounting of actual happenings.
I'm not sure specifically what this 'tear along the dotted line graphic novel' is about without more context. It could be a graphic novel with some kind of interactive or unique format where the reader is perhaps meant to tear along dotted lines for a particular purpose, like revealing hidden content or separating pages in a special way.
It's not too complicated. You can use the filter options in GIMP to achieve the dotted halftone effect. Just explore the menus and you'll find what you need.
You can use special tools or software designed for creating halftones. Some popular options include Adobe Illustrator or specific halftone plugins. Just look for the halftone feature and play around with the settings to get the effect you want.