複数のポイント、線、画像などをフォルダにまとめると表示・非表示の選択に便利。
"1"だと表示する。
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0"> <Document>
<Folder>
<Placemark> <Point>
<coordinates>135.2,35.4,0. </coordinates>
</Point></Placemark>
<Placemark> <Point>
<coordinates>135.0,35.0,0. </coordinates>
</Point></Placemark>
</Folder>
</Document> </kml>
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0"> <Document>
<open>1</open>
<Folder>
<open>1</open>
<Placemark> <Point>
<coordinates>135.2,35.4,0. </coordinates>
</Point></Placemark>
<Placemark> <Point>
<coordinates>135.0,35.0,0. </coordinates>
</Point></Placemark>
</Folder>
</Document> </kml>
"0"だと開かない。
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0"> <Document>
<open>1</open>
<Folder>
<open>1</open>
<Placemark> <visibility>0</visibility> <Point>
<coordinates>135.2,35.4,0. </coordinates>
</Point></Placemark>
<Placemark> <Point>
<coordinates>135.0,35.0,0. </coordinates>
</Point></Placemark>
</Folder>
</Document> </kml>
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0"> <Document>
<open>1</open>
<Folder>
<open>1</open>
<name> New Folder</name>
<description>This is a new folder.</description>
<Style>
<BalloonStyle>
<bgColor>00664422</bgColor>
<text><![CDATA[ $[name] <HR> $[description] <BR>
<A HREF="http://step0ku.kugi.kyoto-u.ac.jp/">SPEL Home page</A>
]]> </text>
</BalloonStyle>
</Style>
<Placemark> <visibility>0</visibility> <Point>
<coordinates>135.2,35.4,0. </coordinates>
</Point></Placemark>
<Placemark> <Point>
<coordinates>135.0,35.0,0. </coordinates>
</Point></Placemark>
</Folder>
</Document> </kml>