SVG Topobase Structure

Generally, a topobase structure looks as follows:

...

</g>

...

</g>

<fs:MetaInfo>

<fs:Geo>

<fs:GeoItem Longitude="..." Latitude="..." X="..." Y="..." />

...

</fs:Geo>

<fs:Attributes>

<fs:Attribute Name="ISO" Type="string">

<fs:Data Id="RU-MOS" Value="RU-MOS" />

...

</fs:Attribute>

...

</fs:Attributes>

</fs:MetaInfo>

</svg>

Description

The specification determines the following elements that are used to create a topobase:

<svg>. A root element of the document that indicates SVG namespace.
<g>. Element of the root topobase layer that is used to describe all the other layers.
<fs:MetaInfo>. The element contains metadata that refers to a specific topobase shape.

<fs:Geo>. The element contains information on shape binding to geographic coordinates.
<fs:Attributes>. The element contains custom metadata that refer to specific shapes.

The following specific attributes are used in elements descriptions:

Attribute	Description
fs:ItemType	It determines element type. It is specified for a root element or layer. This attribute may not be specified for the displayed elements located in the layer. The attribute may have the following string values: {“Layer”, "LinearLayer", “Item”}. Default value: “Item”.