Folder in KML

Make a folder<Folder>

<?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>

It is convenient to put several points, lines, and images into a folder.

Open the folder whet the file is opened.<open>

<?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。

Don't display contents of folder whet the file is opened.<visibility>

<?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>

"1" to display.

<name>, <description>, <BalloonStyle>, <TimeSpan>, are same as Example of "Point".

<?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> <textColor>fffffff</textColor>
  <text><![CDATA[ $[name] <HR> $[description] <BR>  
   <A HREF="http://www-step.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>