Documentation for Geography Markup Language
Definition Type: Element
Name: bulge
Namespace: http://www.opengis.net/gml
Type: double:http://www.w3.org/2001/XMLSchema
Containing Schema: geometryPrimitives.xsd
MinOccurs (1)
MaxOccurs unbounded
Abstract
Documentation:
The bulge controls the offset of each arc's midpoint. The "bulge" is the real number multiplier for the normal that determines the offset direction of the midpoint of each arc. The length of the bulge sequence is exactly 1 less than the length of the control point array, since a bulge is needed for each pair of adjacent points in the control point array. The bulge is not given by a distance, since it is simply a multiplier for the normal. The midpoint of the resulting arc is given by: midPoint = ((startPoint + endPoint)/2.0) + bulge*normal
Collapse XSD Schema Diagram:
XSD Diagram of bulge in schema geometryprimitives_xsd (Geography Markup Language)
Collapse XSD Schema Code: 
<element name="bulge" type="double" maxOccurs="unbounded">
    <annotation>
        <documentation>The bulge controls the offset of each arc's midpoint. The "bulge" is the real number multiplier for the normal that determines the offset direction of the midpoint of each arc. The length of the bulge sequence is exactly 1 less than the length of the control point array, since a bulge is needed for each pair of adjacent points in the control point array. The bulge is not given by a distance, since it is simply a multiplier for the normal.
The midpoint of the resulting arc is given by: midPoint = ((startPoint + endPoint)/2.0) + bulge*normal</documentation>
    </annotation>
</element>
Documentation for Geography Markup Language

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