How to stop the animation and freeze the image when pressing the `Stop` button

Here is a trick/hack using CSS. The idea is to rely on transition to have the rotation then you play with the duration to create the illusion of freezing. By setting a big value you make the transition very very slow thus it will be stopped for us.

You have to adjust the value of transtion/rotation for each wheel to have the speed you want. You also need to make the values bigger enough so the user never reach the end of the transition.

$('#gO1').click(function() {
    $('#wheel,#col-small,#planetar').addClass('rotate').removeClass('rotate-1');
})

$('#stop1').click(function() {
    $('#wheel,#col-small,#planetar').addClass('rotate-1').removeClass('rotate');
})

#wheel,
#col-small,
#planetar{
  transform-box:fill-box;
  transform-origin:center;
}
#wheel.rotate{
  transform:rotate(36000deg);
  transition:1400s linear;
}
#planetar.rotate {
  transform:rotate(-36000deg);
  transition:2800s linear;
}
#col-small.rotate {
  transform:rotate(-36000deg);
  transition:350s linear;
}

#wheel.rotate-1{
  transform:rotate(36001deg); /*we need a slight change to re-trigger the transition*/
  transition:140000s linear;
}
#planetar.rotate-1 {
  transform:rotate(-36001deg);
  transition:280000s linear;
}
#col-small.rotate-1 {
 transform:rotate(-36001deg);
  transition:35000s linear;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink='http://www.w3.org/1999/xlink' width="400" height="400" viewBox="0 0 400 400" >
  <title>animation planetary mechanism</title>
  <defs>
    <marker id="MarkerArrow" viewBox="0 0 20 20" refX="2" refY="5" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="14" height="10" rx="2" fill="#22211D" />
    </marker>
    <line id="line1" x1="150" y1="100" x2="60" y2="100" style=" fill:none;
				 marker-end: url(#MarkerArrow);
				 marker-start: url(#MarkerArrow);
			   stroke:#22211D; stroke-width:6; ">
    </line>
    <marker id="MarkerArrow-s" viewBox="0 0 20 20" refX="3" refY="1.7" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="7" height="3.5" rx="2" fill="#22211D" />
    </marker>
    <line id="line-s" x1="175" y1="100" x2="202" y2="100" style=" fill:none;
			 marker-end: url(#MarkerArrow-s1);
			 marker-start: url(#MarkerArrow-s);
		   stroke:#22211D; stroke-width:2; ">

    </line>
    <linearGradient id="vertical" x2="0%" y2="100%" spreadMethod="pad">
      <stop offset="0%" stop-color="powderblue" />
      <stop offset="100%" stop-color="lightgreen" />
    </linearGradient>

  </defs>
  <rect width="100%" height="100%" fill="url(#vertical)" />
  <g transform="translate(90,50)">

    <g id="wheel">
      <g>
       <use xlink:href="#line1" transform="rotate(0 100 100)" />
        <use xlink:href="#line1" transform="rotate(120 100 100)" />
        <use xlink:href="#line1" transform="rotate(240 100 100)" />

        <circle cx="100" cy="100" r="15" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="100" cy="100" r="50" style="stroke: #22211D; fill:none;   stroke-width: 15px;" />
        <circle cx="100" cy="100" r="60" style="stroke: #22211D; fill:none; stroke-dasharray: 5 6;  stroke-width: 10px;" />
        <circle cx="150" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g id="col-small">

      <g>
       <use xlink:href="#line-s" transform="rotate(0 188 100)" />
        <use xlink:href="#line-s" transform="rotate(120 188 100)" />
        <use xlink:href="#line-s" transform="rotate(240 188 100)" />

        <circle cx="188" cy="100" r="8" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="188" cy="100" r="18" style="stroke: #22211D; fill:none;   stroke-width: 7px;" />
        <circle cx="188" cy="100" r="24" style="stroke: #22211D; fill:none; stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="206" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />

      </g>
    </g>
    
    <g id="planetar">
      <g>
       
        <circle cx="100" cy="100" r="116" style="stroke: #22211D; fill:none;   stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="100" cy="100" r="124" style="stroke: #22211D; fill:none;   stroke-width: 12px;" />
        <circle cx="224" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g>
      <use xlink:href="#col-small" transform="rotate(240 100 100)" />
      <use xlink:href="#col-small" transform="rotate(120 100 100)" />
    </g>

    <g transform="translate(-10,160)">
      <g id="gO1">
        <rect x="45" y="85" height="22" width="60" rx="5" fill="#0080B8" stroke="dodgerblue" />
        <text x="62" y="102" font-size="16" fill="yellow">GO</text>
      </g>
      <g id="stop1">
        <rect x="110" y="85" height="22" width="60" rx="5" fill="crimson" stroke="red" />
        <text x="120" y="102" font-size="16" fill="yellow">STOP</text>
      </g>
    </g>

  </g>
</svg>

UPDATE

The above one seems to work fine only on chrome so here another one where I had to duplicate the code of the small wheel so it works fine on Firefox too:

$('#gO1').click(function() {
    $('#wheel,.col-small g,#planetar').addClass('rotate').removeClass('rotate-1');
})

$('#stop1').click(function() {
    $('#wheel,.col-small g,#planetar').addClass('rotate-1').removeClass('rotate');
})

#wheel,
.col-small g,
#planetar{
  transform-box:fill-box;
  transform-origin:center;
}
#wheel.rotate{
  transform:rotate(36000deg); /*360 x 100*/
  transition:1400s linear; /*14s x 100*/
}
#planetar.rotate {
  transform:rotate(-36000deg);
  transition:2800s linear;
}
.col-small g.rotate {
  transform:rotate(-36000deg);
  transition:350s linear;
}

#wheel.rotate-1{
  transform:rotate(36001deg); /*we need a slight change to re-trigger the transition*/
  transition:140000s linear; /*14s x 100 x 100*/
}
#planetar.rotate-1 {
  transform:rotate(-36001deg);
  transition:280000s linear;
}
.col-small g.rotate-1 {
 transform:rotate(-36001deg);
  transition:35000s linear;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink='http://www.w3.org/1999/xlink' width="400" height="400" viewBox="0 0 400 400" >
  <title>animation planetary mechanism</title>
  <defs>
    <marker id="MarkerArrow" viewBox="0 0 20 20" refX="2" refY="5" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="14" height="10" rx="2" fill="#22211D" />
    </marker>
    <line id="line1" x1="150" y1="100" x2="60" y2="100" style=" fill:none;
				 marker-end: url(#MarkerArrow);
				 marker-start: url(#MarkerArrow);
			   stroke:#22211D; stroke-width:6; ">
    </line>
    <marker id="MarkerArrow-s" viewBox="0 0 20 20" refX="3" refY="1.7" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="7" height="3.5" rx="2" fill="#22211D" />
    </marker>
    <line id="line-s" x1="175" y1="100" x2="202" y2="100" style=" fill:none;
			 marker-end: url(#MarkerArrow-s1);
			 marker-start: url(#MarkerArrow-s);
		   stroke:#22211D; stroke-width:2; ">

    </line>
    <linearGradient id="vertical" x2="0%" y2="100%" spreadMethod="pad">
      <stop offset="0%" stop-color="powderblue" />
      <stop offset="100%" stop-color="lightgreen" />
    </linearGradient>

  </defs>
  <rect width="100%" height="100%" fill="url(#vertical)" />
  <g transform="translate(90,50)">

    <g id="wheel">
      <g>
       <use xlink:href="#line1" transform="rotate(0 100 100)" />
        <use xlink:href="#line1" transform="rotate(120 100 100)" />
        <use xlink:href="#line1" transform="rotate(240 100 100)" />

        <circle cx="100" cy="100" r="15" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="100" cy="100" r="50" style="stroke: #22211D; fill:none;   stroke-width: 15px;" />
        <circle cx="100" cy="100" r="60" style="stroke: #22211D; fill:none; stroke-dasharray: 5 6;  stroke-width: 10px;" />
        <circle cx="150" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g class="col-small">

      <g>
       <use xlink:href="#line-s" transform="rotate(0 188 100)" />
        <use xlink:href="#line-s" transform="rotate(120 188 100)" />
        <use xlink:href="#line-s" transform="rotate(240 188 100)" />

        <circle cx="188" cy="100" r="8" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="188" cy="100" r="18" style="stroke: #22211D; fill:none;   stroke-width: 7px;" />
        <circle cx="188" cy="100" r="24" style="stroke: #22211D; fill:none; stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="206" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />

      </g>
    </g>
    
    <g id="planetar">
      <g>
       
        <circle cx="100" cy="100" r="116" style="stroke: #22211D; fill:none;   stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="100" cy="100" r="124" style="stroke: #22211D; fill:none;   stroke-width: 12px;" />
        <circle cx="224" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g class="col-small" transform="rotate(240 100 100)">
      <g>
       <use xlink:href="#line-s" transform="rotate(0 188 100)" />
        <use xlink:href="#line-s" transform="rotate(120 188 100)" />
        <use xlink:href="#line-s" transform="rotate(240 188 100)" />

        <circle cx="188" cy="100" r="8" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="188" cy="100" r="18" style="stroke: #22211D; fill:none;   stroke-width: 7px;" />
        <circle cx="188" cy="100" r="24" style="stroke: #22211D; fill:none; stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="206" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />

      </g>
     </g>
     <g class="col-small" transform="rotate(120 100 100)">
      <g>
       <use xlink:href="#line-s" transform="rotate(0 188 100)" />
        <use xlink:href="#line-s" transform="rotate(120 188 100)" />
        <use xlink:href="#line-s" transform="rotate(240 188 100)" />

        <circle cx="188" cy="100" r="8" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="188" cy="100" r="18" style="stroke: #22211D; fill:none;   stroke-width: 7px;" />
        <circle cx="188" cy="100" r="24" style="stroke: #22211D; fill:none; stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="206" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />

      </g>
     </g>
  
    <g transform="translate(-10,160)">
      <g id="gO1">
        <rect x="45" y="85" height="22" width="60" rx="5" fill="#0080B8" stroke="dodgerblue" />
        <text x="62" y="102" font-size="16" fill="yellow">GO</text>
      </g>
      <g id="stop1">
        <rect x="110" y="85" height="22" width="60" rx="5" fill="crimson" stroke="red" />
        <text x="120" y="102" font-size="16" fill="yellow">STOP</text>
      </g>
    </g>

  </g>
</svg>

I have made some changes in the snippet. Please have a look and let me know if this is what you want.

<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink='http://www.w3.org/1999/xlink' width="400" height="400" viewBox="0 0 400 400" onload='Init(evt)' id = "SVGRoot">
  <title>animation planetary mechanism</title>
  <defs>
    <marker id="MarkerArrow" viewBox="0 0 20 20" refX="2" refY="5" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="14" height="10" rx="2" fill="#22211D" />
    </marker>
    <line id="line1" x1="150" y1="100" x2="60" y2="100" style=" fill:none;
				 marker-end: url(#MarkerArrow);
				 marker-start: url(#MarkerArrow);
			   stroke:#22211D; stroke-width:6; ">
    </line>
    <marker id="MarkerArrow-s" viewBox="0 0 20 20" refX="3" refY="1.7" markerUnits="userSpaceOnUse" orient="auto" markerWidth="20" markerHeight="20">
      <rect width="7" height="3.5" rx="2" fill="#22211D" />
    </marker>
    <line id="line-s" x1="175" y1="100" x2="202" y2="100" style=" fill:none;
			 marker-end: url(#MarkerArrow-s1);
			 marker-start: url(#MarkerArrow-s);
		   stroke:#22211D; stroke-width:2; ">

    </line>
    <linearGradient id="vertical" x2="0%" y2="100%" spreadMethod="pad">
      <stop offset="0%" stop-color="powderblue" />
      <stop offset="100%" stop-color="lightgreen" />
    </linearGradient>

  </defs>
  <rect width="100%" height="100%" fill="url(#vertical)" />
  <g transform="translate(90,50)">

    <g id="wheel">
      <g>
        <animateTransform attributeName="transform" type="rotate" from="0 100 100" to="360 100 100" dur="14s" id = "innerCircle" begin="click" repeatCount="indefinite" />
        <use xlink:href="#line1" transform="rotate(0 100 100)" />
        <use xlink:href="#line1" transform="rotate(120 100 100)" />
        <use xlink:href="#line1" transform="rotate(240 100 100)" />


        <circle cx="100" cy="100" r="15" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="100" cy="100" r="50" style="stroke: #22211D; fill:none;   stroke-width: 15px;" />
        <circle cx="100" cy="100" r="60" style="stroke: #22211D; fill:none; stroke-dasharray: 5 6;  stroke-width: 10px;" />
        <circle cx="150" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g id="col-small">

      <g>
        <animateTransform attributeName="transform" type="rotate" from="0 188 100" to="-360 188 100" id = "smallerCircle" begin="click"  dur="3.5s" repeatCount="indefinite" />
        <use xlink:href="#line-s" transform="rotate(0 188 100)" />
        <use xlink:href="#line-s" transform="rotate(120 188 100)" />
        <use xlink:href="#line-s" transform="rotate(240 188 100)" />

        <circle cx="188" cy="100" r="8" style="stroke: #22211D; fill:none;   stroke-width: 4px;" />
        <circle cx="188" cy="100" r="18" style="stroke: #22211D; fill:none;   stroke-width: 7px;" />
        <circle cx="188" cy="100" r="24" style="stroke: #22211D; fill:none; stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="206" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />

      </g>
    </g>
    
    <g id="planetar">
      <g>
        <animateTransform attributeName="transform" type="rotate" from="0 100 100" to="-360 100 100" id = "outerCircle" begin="click" dur="28s" repeatCount="indefinite" />

        <circle cx="100" cy="100" r="116" style="stroke: #22211D; fill:none;   stroke-dasharray: 5 5;  stroke-width: 10px;" />
        <circle cx="100" cy="100" r="124" style="stroke: #22211D; fill:none;   stroke-width: 12px;" />
        <circle cx="224" cy="100" r="3" style="stroke: #22211D; fill:yellow; " />
      </g>
    </g>

    <g>
      <use xlink:href="#col-small" transform="rotate(240 100 100)" />
      <use xlink:href="#col-small" transform="rotate(120 100 100)" />
    </g>

    <g transform="translate(-10,160)">
      <g id="gO1" onclick='Play()'>
        <rect x="45" y="85" height="22" width="60" rx="5" fill="#0080B8" stroke="dodgerblue" />
        <text x="62" y="102" font-size="16" fill="yellow">GO</text>
      </g>
      <g id="stop1" onclick='Pause()'>
        <rect x="110" y="85" height="22" width="60" rx="5" fill="crimson" stroke="red" />
        <text x="120" y="102" font-size="16" fill="yellow">STOP</text>
      </g>
    </g>

  </g>
</svg>
<script>
  var SVGDocument = null;
  var SVGRoot = null;
  var pauseButton = null;
  var playButton = null;
  var innerCircle = null;
  var outerCircle = null;
  var smallerCircle = null;

  function Init(evt)
  {  
     SVGDocument = evt.target.ownerDocument;
     SVGRoot = SVGDocument.getElementById('SVGRoot')

     pauseButton = SVGDocument.getElementById('stop1');
     playButton = SVGDocument.getElementById('gO1');
     innerCircle = SVGDocument.getElementById('innerCircle');;
     outerCircle = SVGDocument.getElementById('outerCircle');;
     smallerCircle = SVGDocument.getElementById('smallerCircle');;
  };

  function Pause()
  {  
     SVGRoot.pauseAnimations();
  };

  function Play()
  {
     if(SVGRoot.animationsPaused()){
        SVGRoot.unpauseAnimations();
     }
     else{
         innerCircle.beginElement();
         outerCircle.beginElement();
         smallerCircle.beginElement();
     }
  };

   </script>

How to stop the animation and freeze the image when pressing the `Stop` button

Tags:

Javascript

Css

Animation

Svg

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