Подскажите на примере. Координаты в KML из WGS84

[whoim]

В общем, есть список точек в WGS84. Они представляют из себя трек. На их основе генерируется следующий KML:

Код: Выделить всё

<?xml version="1.0" encoding="UTF-8"?><kml xmlns="http://earth.google.com/kml/2.1">
  <Document>
    <name>Track</name>
    <description>description</description>
    <Style id="redLine">
      <LineStyle>
        <color>ff0000ff</color>
        <width>2</width>
      </LineStyle>
    </Style>
    <Placemark>
      <name>Track</name>
      <styleUrl>#redLine</styleUrl>
      <LineString>
        <altitudeMode>relative</altitudeMode>
        <coordinates>
44.742182,38.076318,60
44.741608,38.077232,59
44.74098,38.078322,60
44.740468,38.07924,62
44.73988,38.080233,58
44.73937,38.081123,59
44.73881,38.08192,64
44.739352,38.081203,68
44.739993,38.080118,68
44.740523,38.079252,66
44.741027,38.078245,65
44.741557,38.077317,68
44.74206,38.076523,68
44.740693,38.077025,56
44.740023,38.07766,56
44.738663,38.078283,75
44.737432,38.077783,92
44.736327,38.078418,81
44.735772,38.079102,98
44.736448,38.07835,87
44.738697,38.077785,78
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44.742035,38.068207,75
44.741328,38.067538,76
44.740772,38.066998,74
44.739118,38.066393,78
44.738482,38.064903,76
44.73798,38.06407,57
44.73731,38.063162,58
44.735643,38.062637,59
44.728622,38.063208,88
44.72728,38.063793,86
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44.710195,38.058555,0
44.709605,38.057695,-35
44.709097,38.057118,-47
44.708585,38.05555,-66
44.708027,38.054252,-62
44.70748,38.053117,-56
44.706963,38.047838,25
44.706312,38.046598,46
44.705772,38.045867,67
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44.702013,38.041725,109
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44.697958,38.038952,155
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44.693968,38.041472,47
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44.686847,38.051343,-119
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44.684428,38.05445,186
44.683883,38.055152,179
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44.67222,38.067408,53
44.671707,38.068108,225
44.670845,38.068672,168
44.667533,38.069247,123
44.666922,38.069867,127
44.666042,38.070408,168
44.665383,38.071012,229
44.66481,38.071645,243
44.664255,38.073225,251
44.663733,38.075443,238
44.663133,38.074628,278
44.662263,38.075132,279
44.662763,38.077458,305
44.662118,38.079488,320
44.661577,38.080558,347
44.660953,38.08117,349
44.660302,38.081893,338
44.6598,38.08243,333
44.659125,38.082985,326
44.658413,38.083542,306
44.657855,38.084412,279
44.656937,38.085022,287
44.655095,38.08558,267
44.654207,38.086192,265
44.653187,38.086753,250
44.651415,38.087303,242
44.649165,38.087907,170
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44.643323,38.091235,163
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44.632373,38.094782,142
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44.629513,38.0965,130
44.625448,38.097052,122
44.62401,38.097618,120
44.622362,38.09813,113
44.619558,38.09866,112
44.612533,38.099188,105
44.612,38.101033,96
44.611352,38.101772,99
        </coordinates>
      </LineString>
    </Placemark>
  </Document>
</kml>

Так вот, трек на гуглмапс v3 располагается оочень далеко от реально местоположения. Я предполагаю, что в kml используются не те координаты, которые я даю - не wgs84.

Сможете показать на конкретной ситуации, чего делать? )

[nadiopt]

а у вас-то трек в WGS точно? не в Пулково каком-нибудь?

[whoim]

а у вас-то трек в WGS точно? не в Пулково каком-нибудь?

Точно. При использовании API V.2 и подгрузке через XML-файл, складывании в архив points и использовании

Код: Выделить всё

map.addOverlay(new GPolyline(points,"#F00000",2,1));

все четко. Да и разница между пулково и wgs - пара сотен метров вроде, а тут - четверть земного шара )

Выяснил что в KML надо указывать градусы, которые могут принимать отрицательные значения. Насколько это стыкуется с WGS - я не знаю.. ))

[whoim]

В общем то про полмира я загнул. Вот тут видно. Трек должен быть диагонально противоположно - в верхнем левом углу.

http://my.jetscreenshot.com/1474/20110731-jwkd-69kb

[whoim]

Млеать, ничего не понимаю. Давайте я дам больше данных..
http://code.google.com/intl/ru-RU/apis/ ... l#latitude

<Местоположение>
Указывает точные координаты источника модели в виде широты, долготы и высоты. Измерения широты и долготы выполняются стандартным образом для проекции широты и долготы в системе координат WGS84. Altitude – это расстояние от земной поверхности в метрах, интерпретируется согласно <altitudeMode> или <gx:altitudeMode>.

То есть все должно работать. ВОТ мой KML

Код: Выделить всё

<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.1">
<!-- Сформировано-->
<Document>
<name>KML file from fototrack</name>
<!-- Фотографии -->
<Placemark>
<name>Fotos Name</name>
<description><![CDATA[
HTML is here<hr>
<p>Home page: <a href="#">fototrack</a></p>
]]>
</description>
<Point>
<coordinates>44.352153,38.934078,0</coordinates>
</Point>
</Placemark>
<!-- Трек -->
<Placemark>
<name>Track</name>
<Style><LineStyle><color>ff0000ff</color><width>1</width></LineStyle></Style>
<LineString>
<altitudeMode>relativeToGround</altitudeMode>
<coordinates>
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</coordinates>
</LineString>
</Placemark>
</Document>
</kml>

Это скопипащено с файла. Что в этом KML не так?
1) Точка (маркер) не отображается вообще
2) Трек отображается где то за Арменией вместо Туапсе..

UPD1
Проблема с точкой и стилями (не меняются) примерно выяснена. Похоже, гуглмапс КЭШИРУЕТ запросы к KML-файлам (!!???), ибо стоит переместить КML файл под другим именем и изменит на него вызов в скрипте, как подгружается уже с новыми стилями, изменениями точек. Но, млин, по прежнему в армении...

[whoim]

Великолепно!

1) Широту и долготу пришлось поменять местами
2) Вопрос с кэшированием остался. Прийдется дурить гугл с рандомом.

[ericsson]

Писать в URL файла что-то вроде _ttp://domain.name/file.kml?673468706093609
где после знака вопроса - случайное число.

[whoim]

ericsson, я догадался
Этот вопрос закрыт. На java выглядит так:

Код: Выделить всё

var KML = new google.maps.KmlLayer('http://<?=$_SERVER['SERVER_NAME']?>/kml_track.php?trid=<?=$header_id?>&rnd='+Math.random());

по крайней мере у меня ))