Exploded Floor

&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;exploded&gt;
  &lt;wall&gt; … &lt;/wall&gt;
  &lt;door&gt; … &lt;/door&gt;
  &lt;window&gt; … &lt;/window&gt;
  &lt;furniture&gt; … &lt;/furniture&gt;
&lt;/exploded&gt;

The <exploded>-element represents the whole floor with absolute coordinates. Walls and doors are only described once in this representation and are not grouped per room.

See also Rooms if you prefer a description per room.

XML Schema

&lt;xs:element name="exploded"&gt;
  &lt;xs:complexType&gt;
    &lt;xs:sequence&gt;
      &lt;xs:choice maxOccurs="unbounded"&gt;
        &lt;xs:element name="wall"/&gt;
        &lt;xs:element name="door"/&gt;
        &lt;xs:element name="window"/&gt;
        &lt;xs:element name="furniture"/&gt;
      &lt;/xs:choice&gt;
    &lt;/xs:sequence&gt;
  &lt;/xs:complexType&gt;
&lt;/xs:element&gt;

Furniture

Point