Скачать или смотреть Understanding SVG stroke-linecap for One-Sided Customization

Discover how to apply `SVG stroke-linecap` effectively to customize the appearance of your graphics in web design and make one-sided adjustments to your strokes.
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This video is based on the question https://stackoverflow.com/q/46593502/ asked by the user 'D-Money' ( https://stackoverflow.com/u/8708201/ ) and on the answer https://stackoverflow.com/a/63483591/ provided by the user 'Florian Sandro Völkl' ( https://stackoverflow.com/u/411900/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Customizing SVG Stroke-Linecap: Applying a Linecap to One End Only

When working with SVG graphics in web design, you may encounter a common question: Can I add a linecap to only one end of a stroke? By default, the stroke-linecap attribute in SVG applies to both ends of the stroke. However, there are ways to achieve a more tailored appearance by adjusting the stroke at only one end. In this guide, we’ll explore how to accomplish this with a straightforward solution using SVG markers.

The Default Behavior of SVG stroke-linecap

The stroke-linecap property in SVG defines how the ends of a stroke are rendered. It has three possible values:

butt: The stroke ends straight at the endpoint.

round: The stroke ends in a rounded shape.

square: The stroke ends with a square edge.

Here's a typical SVG example that demonstrates the behavior of stroke-linecap for both ends of the stroke:

[[See Video to Reveal this Text or Code Snippet]]

This code produces two lines with different linecap styles. However, if you only wish to apply a linecap to one end, you won't be able to do so with just the stroke-linecap attribute alone.

Solution: Using SVG Markers for Flexible Customization

To apply a linecap to one end of a stroke, we can employ SVG markers. Markers can be designed to appear at the ends of strokes, offering greater flexibility in their appearance. Below is a breakdown of how you can implement this solution:

Step 1: Define Your Marker

You first need to set up a marker using the <defs> section in your SVG. Here’s a simple example of defining a round marker:

[[See Video to Reveal this Text or Code Snippet]]

This defines a circular marker that you can apply to the end of your lines.

Step 2: Apply the Marker to Your Line

When defining your line, use the marker-end attribute to specify which marker to use at the end of the line. For instance:

[[See Video to Reveal this Text or Code Snippet]]

By adding marker-end="url(# round)", you indicate that the round marker should be displayed at the end of this line.

Complete Example

Here’s what the complete SVG might look like with one line using the marker at one end and another standard line with the default behavior:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Using SVG markers as a solution for line ends allows for flexible design options. By defining markers, you can customize how your strokes appear, including the ability to apply a linecap effect solely at one end. Experiment with different shapes and sizes of markers to create unique graphics that better fit your design needs. Happy coding!