You probably have a good conceptual understanding now of how stroke-linejoin and stroke-miterlimit work together. The higher the value, the further the corner shape is allowed to go. So, the stroke-miterlimit value can be any positive integer, where 4 is the default value. And only when the stroke-linejoin is miter. In other words, stroke-miterlimit sets how far the stroke of the edges goes before they can meet at a point. It defines how far you can extend the point when creating a miter corner. For that reason, there is a secondary property: stroke-miterlimit. on really tight corners, you have to extend the stroke for quite a distance, before the two edges meet. OK, now that we know what stroke-linejoin is, let’s get back to the topic at hand and pick apart the definition of stroke-miterlimit from the book Using SVG with CSS3 and HTML5: The bevel value, meanwhile, produces a flat edge that sort of looks like a cropped corner.ĬodePen Embed Fallback What is stroke-miterlimit? We know a join is set to miter when both edges meet at a sharp angle.īut we can also choose round which softens the edges with - you guessed it - rounded corners. If we don’t explicitly declare stroke-linejoin in the SVG code, then miter is used to shape the corner of a path. Miter is the default value and it just so happens to be the most important one of the three we’re looking at. So, I’ll briefly present the three supported values the attribute accepts. And this attribute accepts five possible values, though two of them have no browser implementation and are identified by the spec as at risk of being dropped. This means we can define how the corner looks when two lines meet at a point. Stroke-linejoin specifies the shape to be used at the corners of paths or basic shapes when they are stroked. This is the definition for stroke-linejoin pulled straight from the SVG Working Group (SVGWG): I know, we’re actually here to talk about stroke-miterlimit, but I want to start with stroke-linejoin because of how tightly they work together. Beware that many graphic software editors will add this attribute even when is not necessary. But if we use miter instead, we can still delete it and maybe the default value will be enough. Stroke-miterlimit depends on stroke-linejoin: if we use round or bevel for joins, then there’s no need to declare stroke-miterlimit.
You’ve probably seen it when exporting an SVG from a graphic editor program, or perhaps you find out you could remove it without noticing any change to the visual appearance.Īfter a good amount of research, one of the first things I discovered is that the attribute works alongside stroke-linejoin, and I’ll show you how as well as a bunch of other things I learned about this interesting (and possibly overlooked) SVG attribute. So, SVG has this stroke-miterlimit presentation attribute.
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