"Master the art of creating a curved circular arrow using a combination of HTML, SVG, D3.js

I am looking to design an SVG circle with a fading stroke that blends into the background and features an arrow at one end. The goal is for the ring to fade out completely right above the arrow, similar to the visual reference provided in the image.view example here

Could you please advise on the necessary adjustments to the code snippet below so that the SVG displays as requested?

<svg height="210" width="220" transform = 'translate(-10 10)' >
    <linearGradient id="grad1" x1="0%" y1="40%" x2="20%" y2="-20%">
          <stop offset="0%" stop-color="#3381FF" />
          <!--stop offset= "0%" stop-color= ""/-->
          <stop offset="100%" stop-color="#3381FF" stop-opacity="0" />
        </linearGradient>      
      <circle cx="100" cy="105" r="96" stroke="url(#grad1)" stroke-width="16" fill="none" transform='translate(14 0)' />
      <svg height="210" width="500" transform = 'translate(-10 10)'>
      <polygon points="19 65 33.5,105 3.5,105" style="fill:#3381FF;stroke:#3381FF;stroke-width:1" />
    </svg>        
    </svg>

This is a blockquote example.

javascripthtmlcssd3.jssvg

Answer №1

If you're looking to work with SVG, consider utilizing SVG elements like paths and lines. Check out the documentation on how to create an arc here. Below is a simple example:

<svg height="150" width="150">
  <rect height="150" width="150" fill="#EEE" />
  <g> 
    <path
      d="M 75 25
         A 50 50, 0, 1, 1, 25 75"
      stroke="tomato"
      stroke-width="2"
      fill="transparent"
    />

    <line x1="25" y1="75" x2="15" y2="85" stroke="tomato"  stroke-width="2" />
    <line x1="25" y1="75" x2="35" y2="85" stroke="tomato"  stroke-width="2" />
  </g>
</svg>

The <rect ... /> element was used for the grey background, the <path ... /> to define the arc, and the two <line ... /> elements for arrowheads.

75 start x,
25 start y,
                                  +--- x-end point
                                  |  
          counter-clockwise ---+   | +--- y-end endpoint
                                |   | |
<path d="M 75 25 A  50  50 0 1 1 25 75" stroke="red" fill="none"/>
                         |   | |   |
     1 Radius x-Axis ----+   | |   +--- 4 short / long way
                             | |
        2 Radius y-Axis -----+ +--- 3 Rotation x

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