以上で完了です。

開発を始めるには、デベロッパー ドキュメント をご覧下さい。

Google Maps JavaScript API をアクティベートする

まず初めに Google Developers Console で次の作業を行います。

  1. プロジェクトを作成または選択する
  2. Google Maps JavaScript API と関連サービスをアクティベートする
  3. 適切なキーを作成する
続ける

Custom Street View panoramas

Read the documentation or view this example full screen.

function initPano() {
  // Set up Street View and initially set it visible. Register the
  // custom panorama provider function. Set the StreetView to display
  // the custom panorama 'reception' which we check for below.
  var panorama = new google.maps.StreetViewPanorama(
    document.getElementById('map'), {
      pano: 'reception',
      visible: true,
      panoProvider: getCustomPanorama
  });
}

// Return a pano image given the panoID.
function getCustomPanoramaTileUrl(pano, zoom, tileX, tileY) {
  // Note: robust custom panorama methods would require tiled pano data.
  // Here we're just using a single tile, set to the tile size and equal
  // to the pano "world" size.
  return 'https://developers.google.com/maps/documentation/javascript/examples/full/images/panoReception1024-0.jpg';
}

// Construct the appropriate StreetViewPanoramaData given
// the passed pano IDs.
function getCustomPanorama(pano, zoom, tileX, tileY) {
  if (pano === 'reception') {
    return {
      location: {
        pano: 'reception',
        description: 'Google Sydney - Reception'
      },
      links: [],
      // The text for the copyright control.
      copyright: 'Imagery (c) 2010 Google',
      // The definition of the tiles for this panorama.
      tiles: {
        tileSize: new google.maps.Size(1024, 512),
        worldSize: new google.maps.Size(1024, 512),
        // The heading in degrees at the origin of the panorama
        // tile set.
        centerHeading: 105,
        getTileUrl: getCustomPanoramaTileUrl
      }
    };
  }
}
<div id="map"></div>
/* Always set the map height explicitly to define the size of the div
 * element that contains the map. */
#map {
  height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}
<!-- Replace the value of the key parameter with your own API key. -->
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initPano">
</script>

実際に試す

コードブロックの右上にカーソルを合わせて、コードをコピーするか、コードを JSFiddl で開きます。

<!DOCTYPE html>
<html>
  <head>
    <title>Custom Street View panoramas</title>
    <meta charset="utf-8">
    <style>
      /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
      #map {
        height: 100%;
      }
      /* Optional: Makes the sample page fill the window. */
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <script>
      function initPano() {
        // Set up Street View and initially set it visible. Register the
        // custom panorama provider function. Set the StreetView to display
        // the custom panorama 'reception' which we check for below.
        var panorama = new google.maps.StreetViewPanorama(
          document.getElementById('map'), {
            pano: 'reception',
            visible: true,
            panoProvider: getCustomPanorama
        });
      }

      // Return a pano image given the panoID.
      function getCustomPanoramaTileUrl(pano, zoom, tileX, tileY) {
        // Note: robust custom panorama methods would require tiled pano data.
        // Here we're just using a single tile, set to the tile size and equal
        // to the pano "world" size.
        return 'https://developers.google.com/maps/documentation/javascript/examples/full/images/panoReception1024-0.jpg';
      }

      // Construct the appropriate StreetViewPanoramaData given
      // the passed pano IDs.
      function getCustomPanorama(pano, zoom, tileX, tileY) {
        if (pano === 'reception') {
          return {
            location: {
              pano: 'reception',
              description: 'Google Sydney - Reception'
            },
            links: [],
            // The text for the copyright control.
            copyright: 'Imagery (c) 2010 Google',
            // The definition of the tiles for this panorama.
            tiles: {
              tileSize: new google.maps.Size(1024, 512),
              worldSize: new google.maps.Size(1024, 512),
              // The heading in degrees at the origin of the panorama
              // tile set.
              centerHeading: 105,
              getTileUrl: getCustomPanoramaTileUrl
            }
          };
        }
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initPano">
    </script>
  </body>
</html>

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Google Maps JavaScript API
Google Maps JavaScript API
ご不明な点がありましたら、Google のサポートページをご覧ください。