Correction: Clarify units and reference geodetic system for latitude … · w3c/geolocation@74b1dd0 (original) (raw)

`@@ -1117,8 +1117,9 @@

`

1117

1117

`` latitude, longitude, and accuracy attributes

``

1118

1118

`

`

1119

1119

`

`

1120

``

`-

The latitude and longitude attributes are

`

1121

``

`-

geographic coordinates specified in decimal degrees.

`

``

1120

`+

The latitude and longitude attributes denote

`

``

1121

`+

the position, specified as a real number of degrees, in the [[WGS84]]

`

``

1122

`+

coordinate system.

`

1122

1123

`

`

1123

1124

`

`

1124

1125

` The accuracy attribute denotes the accuracy level of the

`

`@@ -1172,19 +1173,22 @@

`

1172

1173

` {{GeolocationCoordinates}} instance:

`

1173

1174

`

    `

    1174

    1175

    `

  1. Initialize |coord|'s {{GeolocationCoordinates/latitude}}
  2. `

    1175

    ``

    `-

    attribute to a geographic coordinate in decimal degrees.

    `

    ``

    1176

    `+

    attribute to a latitude, specified as a real number of degrees, in

    `

    ``

    1177

    `+

    the [[WGS84]] coordinate system.

    `

    1176

    1178

    `

    `

    1177

    1179

    `

  3. Initialize |coord|'s {{GeolocationCoordinates/longitude}}
  4. `

    1178

    ``

    `-

    attribute to a geographic coordinate in decimal degrees.

    `

    ``

    1180

    `+

    attribute to a longitude, specified as a real number of degrees,

    `

    ``

    1181

    `+

    in the [[WGS84]] coordinate system.

    `

    1179

    1182

    `

    `

    1180

    1183

    `

  5. Initialize |coord|'s {{GeolocationCoordinates/accuracy}}
  6. `

    1181

    1184

    ` attribute to a non-negative real number. The value SHOULD

    `

    1182

    1185

    ` correspond to a 95% confidence level with respect to the

    `

    1183

    1186

    ` longitude and latitude values.

    `

    1184

    1187

    `

    `

    1185

    1188

    `

  7. Initialize |coord|'s {{GeolocationCoordinates/altitude}}
  8. `

    1186

    ``

    `` -

    attribute in meters above the [[WGS84]] ellipsoid, or null if

    ``

    1187

    ``

    `-

    the implementation cannot provide altitude information.

    `

    ``

    1189

    `+

    attribute to a height, in meters, above the [[WGS84]] ellipsoid,

    `

    ``

    1190

    `` +

    or null if the implementation cannot provide altitude

    ``

    ``

    1191

    `+

    information.

    `

    1188

    1192

    `

    `

    1189

    1193

    `

  9. Initialize |coord|'s
  10. `

    1190

    1194

    ` {{GeolocationCoordinates/altitudeAccuracy}} attribute as

    `

    `@@ -1194,15 +1198,16 @@

    `

    1194

    1198

    ` level.

    `

    1195

    1199

    `

    `

    1196

    1200

    `

  11. Initialize |coord|'s {{GeolocationCoordinates/speed}}
  12. `

    1197

    ``

    `` -

    attribute to a non-negative real number, or as null if the

    ``

    1198

    ``

    `-

    implementation cannot provide speed information.

    `

    ``

    1201

    `+

    attribute to a speed, as a non-negative real number of meters per

    `

    ``

    1202

    `` +

    second, or as null if the implementation cannot provide speed

    ``

    ``

    1203

    `+

    information.

    `

    1199

    1204

    `

    `

    1200

    1205

    `

  13. Initialize |coord|'s {{GeolocationCoordinates/heading}}
  14. `

    1201

    ``

    `` -

    attribute in degrees, or null if the implementation cannot

    ``

    1202

    ``

    `-

    provide heading information. If the hosting device is stationary

    `

    1203

    ``

    `-

    (i.e., the value of the {{GeolocationCoordinates/speed}}

    `

    1204

    ``

    `-

    attribute is 0), then initialize the

    `

    1205

    ``

    `` -

    {{GeolocationCoordinates/heading}} to NaN.

    ``

    ``

    1206

    `` +

    attribute to a heading, in degrees, or null if the

    ``

    ``

    1207

    `+

    implementation cannot provide heading information. If the hosting

    `

    ``

    1208

    `+

    device is stationary (i.e., the value of the

    `

    ``

    1209

    `+

    {{GeolocationCoordinates/speed}} attribute is 0), then initialize

    `

    ``

    1210

    `` +

    the {{GeolocationCoordinates/heading}} to NaN.

    ``

    1206

    1211

    `

    `

    1207

    1212

    `

`

1208

1213

`

`