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Erase tool?

I'm new to Roll20 and I think it's really good, don't get me wrong, but when I create a drawing using freehand or crate a shape I end up having to do some counter-intuitive drawing (Like drawing with the same color as the background) to erase a mistake, or create a doorway, and find myself needing an erase feature more often than not. If there is one, please, someone tell me. (:< Thanks.
1375321292
Pat S.
Forum Champion
Sheet Author
<a href="https://wiki.roll20.net/Drawing_Tools" rel="nofollow">https://wiki.roll20.net/Drawing_Tools</a> The drawing tools are vector based and there is no erasing tool at this time due to it being vector. You can use the ctrl + z buttons to undo previous actions or you can change your arrow back to the selection arrow and right click on your drawing then select delete. The downside of that is if you have just one section of a whole drawing to be removed and it was ten or twelve clicks back there is no easy way to remove it. One work around is to draw back over your line with a color that blends in with the background. Others will be by sooner or later to drop more info if needed. If you have a question then feel free to ask, the community is here to help.
1375321354
Gauss
Forum Champion
You can click on a piece of art that you have drawn and hit the delete key to delete it.&nbsp; If you need to change the color of a piece of art after you have drawn it you can do that also. Click on the art, then click on the color box in the top left corner to change the color.&nbsp; Regarding an erase tool, Roll20 does not have an actual erase tool because Roll20 uses Vector drawings and not Raster drawings. Vectors generally have lower system requirements and are crisp and clean at all zoom levels but they are generated using mathematics. Raster drawings could be erased because each pixel is recorded instead. This can require a lot of system requirements and is not crisp and clean at all zoom levels.&nbsp; When doing drawings in Roll20 I prefer to draw smaller segments over large big pieces. This way I can correct errors. Also, while using the polygon/line tool you can use Ctrl+Z to undo line segments while you draw. When you are done drawing right click to complete the drawing.&nbsp; If you need any further help let me know and I can come show you. - Gauss
The video you linked, Metroknight, was very, very helpful. Thank you!
1375364039
Pat S.
Forum Champion
Sheet Author
You are welcomed and what Gauss says about drawing with the polygon line tool in smaller sections works pretty well. It is how I put in most of my lines. Don't use the freehand tool because it uses a lot of system resources in comparison to the polygon line. Free hand tool compared to polygon. freehand : ------------ Polygon : _________ The freehand is actually lots of small segments while the polygon is a solid line. That is how roll20 code treats it.
1375380656
Gauss
Forum Champion
To expand upon what Metroknight is saying. The problem between using Freehand and using Polygon/Lines occurs on the Dynamic Lighting layer. When used on the Dynamic Lighting layer freehand creates a lot of extra work for the system because of the many mathematical points in freehand drawings. Polygon/Lines on the other hand have very few mathematical points. On the other layers there is no performance reduction for using freehand so feel free to use freehand for purposes that are not dynamic lighting related.&nbsp; - Gauss
1375388031
Pat S.
Forum Champion
Sheet Author
Well color me blue and call me a smurf. I thought it impacted on the regular layers also not just Dynamic lighting. Learn something new everyday.
1375393589
Gauss
Forum Champion
Metroknight, not really. If you use A LOT of artwork there may be a performance hit, but I have not noticed any difference between the different artworks in that case. The problem really revolves around how Dynamic Lighting interacts with the freehand tool. It won't take much freehand on the DL layer to cause a problem.&nbsp; - Gauss