Creating a Density Chart Using SVG

Question

Creating a Density Chart Using SVG

I am currently working on converting this chart into SVG Format. I have made some progress, but I still need to ensure that both sides match perfectly when it goes up and down.

https://i.sstatic.net/jpkoo.png

<div class='chart'>
  <svg viewbox='0 0 560 260'>
    <defs>
      <linearGradient id="MyGradient">
          <stop offset="0%" stop-color="#92B6E5" />
          <stop offset="10%" stop-color="#92D2E5" />
          <stop offset="50%" stop-color="#82E5DE" />
          <stop offset="90%" stop-color="#F7C783" />
          <stop offset="100%" stop-color="#B5ADA5" />
      </linearGradient>
      <filter id='dropshadow'>
        <feGaussianBlur in='SourceAlpha' stdDeviation='3'></feGaussianBlur>
        <feOffset dx='0' dy='0' result='offsetblur'></feOffset>
        <feComponentTransfer>
          <feFuncA slope='0.2' type='linear'></feFuncA>
        </feComponentTransfer>
        <feMerge>
          <feMergeNode></feMergeNode>
          <feMergeNode in='SourceGraphic'></feMergeNode>
        </feMerge>
      </filter>
    </defs>
    <g class='datasets'>
      <path class='dataset' d='M 0 260 C 1 264 60 241 82 228 C 125 205 115 211 158 184 C 202 160 185 170 213 155 C 261 136 287 138 317 151 C 361 175 347 165 424 212 C 484 243 505 242 554 260 L 0 260 Z' id='dataset-1'></path>
    </g>
  </svg>
</div>

I just need to make the necessary modifications to this part:

<path class='dataset' d='M 0 260 C 1 264 60 241 82 228 C 125 205 115 211 158 184 C 202 160 185 170 213 155 C 261 136 287 138 317 151 C 361 175 347 165 424 212 C 484 243 505 242 554 260 L 0 260 Z' id='dataset-1'></path>

html css svg charts

Answer 1

Answer №1

David G. has provided a comprehensive solution for manipulating SVG shapes, emphasizing the importance of using vector editors like Adobe Illustrator, Inkscape, or Affinity Designer. While these tools simplify the process for complex shapes, understanding the fundamentals of SVG curves can optimize shape precision and reduce code complexity in simpler cases.

The demonstration presented showcases one approach to creating a specific shape within an SVG file. By delving into the step-by-step procedure and command sequences, users gain insights into control points and path constructions, aiding visualization of the SVG code structure.

Initiating with a movement to coordinates x=0, y=100, the subsequent relative cubic curve (c) defines two control points positioned 100px and 180px away horizontally, with associated vertical adjustments. Following this, a smooth curve (s) inherits the previous control point values while specifying its own second control point and endpoint, both relative to the preceding curve's termination point. Concluding with absolute commands for a vertical line (V), horizontal line (H), and closure (Z) completing the path.

svg {overflow: visible;}

<p>Custom Shape Display</p>
<div class='chart'>
  <svg viewbox='0 0 560 110'>
    <path d="
      M0 100
      c100 0, 180 -90, 280 -90
            s180 90, 280 90
            V110
            H0
      Z
    " style="fill: #ccc"/>
  </svg>
</div>
<p>Visualizing Control Points and Annotations</p>
<div class='chart'>
  <svg viewbox='0 0 560 110'>
    <path d="
      M0 100
      c100 0, 180 -90, 280 -90
            s180 90, 280 90
            V110
            H0
      Z
    " style="fill: #ccc"/>
        
        <!-- Origin Point M0 100 -->
        <circle cx="0" cy="100" fill="green" r="2" />
        
        <!-- Control Point c100 0 -->
        <circle cx="100" cy="100" fill="red" r="2" />
        <line x1="0" y1="100" x2="100" y2="100" stroke="red" />
        
        <!-- Control Points 180 -90 and 280 -90 -->
        <circle cx="180" cy="10" fill="red" r="2" />
        <line x1="180" y1="10" x2="280" y2="10" stroke="red" />
        <circle cx="280" cy="10" fill="red" r="2" />
        
        <!-- Indicated Reflection by the ensuing s curve -->
        <line x1="280" y1="10" x2="380" y2="10" stroke="blue" />
        <circle cx="380" cy="10" fill="blue" r="2" />
        
        <!-- Second Control Point s180 90 (solely defined)-->
        <line x1="460" y1="100" x2="560" y2="100" stroke="red" />
        <circle cx="460" cy="100" fill="red" r="2" />
        
        <!-- Endpoint 280 90 for the s curve -->
        <circle cx="560" cy="100" fill="purple" r="2" />
        
  </svg>
</div>

Answer 2

David G. has provided a comprehensive solution for manipulating SVG shapes, emphasizing the importance of using vector editors like Adobe Illustrator, Inkscape, or Affinity Designer. While these tools simplify the process for complex shapes, understanding the fundamentals of SVG curves can optimize shape precision and reduce code complexity in simpler cases.

The demonstration presented showcases one approach to creating a specific shape within an SVG file. By delving into the step-by-step procedure and command sequences, users gain insights into control points and path constructions, aiding visualization of the SVG code structure.

Initiating with a movement to coordinates x=0, y=100, the subsequent relative cubic curve (c) defines two control points positioned 100px and 180px away horizontally, with associated vertical adjustments. Following this, a smooth curve (s) inherits the previous control point values while specifying its own second control point and endpoint, both relative to the preceding curve's termination point. Concluding with absolute commands for a vertical line (V), horizontal line (H), and closure (Z) completing the path.

svg {overflow: visible;}

<p>Custom Shape Display</p>
<div class='chart'>
  <svg viewbox='0 0 560 110'>
    <path d="
      M0 100
      c100 0, 180 -90, 280 -90
            s180 90, 280 90
            V110
            H0
      Z
    " style="fill: #ccc"/>
  </svg>
</div>
<p>Visualizing Control Points and Annotations</p>
<div class='chart'>
  <svg viewbox='0 0 560 110'>
    <path d="
      M0 100
      c100 0, 180 -90, 280 -90
            s180 90, 280 90
            V110
            H0
      Z
    " style="fill: #ccc"/>
        
        <!-- Origin Point M0 100 -->
        <circle cx="0" cy="100" fill="green" r="2" />
        
        <!-- Control Point c100 0 -->
        <circle cx="100" cy="100" fill="red" r="2" />
        <line x1="0" y1="100" x2="100" y2="100" stroke="red" />
        
        <!-- Control Points 180 -90 and 280 -90 -->
        <circle cx="180" cy="10" fill="red" r="2" />
        <line x1="180" y1="10" x2="280" y2="10" stroke="red" />
        <circle cx="280" cy="10" fill="red" r="2" />
        
        <!-- Indicated Reflection by the ensuing s curve -->
        <line x1="280" y1="10" x2="380" y2="10" stroke="blue" />
        <circle cx="380" cy="10" fill="blue" r="2" />
        
        <!-- Second Control Point s180 90 (solely defined)-->
        <line x1="460" y1="100" x2="560" y2="100" stroke="red" />
        <circle cx="460" cy="100" fill="red" r="2" />
        
        <!-- Endpoint 280 90 for the s curve -->
        <circle cx="560" cy="100" fill="purple" r="2" />
        
  </svg>
</div>

Creating a Density Chart Using SVG

Answer №1

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