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Source
Used by
Element womlcore:SimpleLineStringSegment
Namespace http://xml.fmi.fi/namespace/woml/core/2010/05/28
Diagram
Diagram index78.tmp#id552 index78.tmp#id553 index78.tmp#id554 index78.tmp#id551 index301.tmp#id876 index92.tmp#id179 index301.tmp#id875
Type womlcore:SimpleLineStringSegmentType
Type hierarchy
Properties
content: complex
Used by
Model gml:posList
Children gml:posList
Instance
<womlcore:SimpleLineStringSegment interpolation="linear" numDerivativeInterior="0" numDerivativesAtEnd="0" numDerivativesAtStart="0">
  <gml:posList axisLabels="" count="" srsDimension="" srsName="" uomLabels="">{1,1}</gml:posList>
</womlcore:SimpleLineStringSegment>
Attributes
QName Type Fixed Default Use Annotation
interpolation gml:CurveInterpolationType linear optional
The attribute "interpolation" specifies the curve interpolation mechanism used for this segment. This mechanism uses the control points and control parameters to determine the position of this curve segment. For a SimpleLineStringSegment the interpolation is fixed as "linear".
numDerivativeInterior integer 0 optional
The attribute "numDerivativesInterior" specifies the type of continuity that is guaranteed interior to the curve. The default value of "0" means simple continuity, which is a mandatory minimum level of continuity. This level is referred to as "C 0 " in mathematical texts. A value of 1 means that the function and its first derivative are continuous at the appropriate end point: "C 1 " continuity. A value of "n" for any integer means the function and its first n derivatives are continuous: "C n " continuity. NOTE: Use of these values is only appropriate when the basic curve definition is an underdetermined system. For example, line string segments cannot support continuity above C 0 , since there is no spare control parameter to adjust the incoming angle at the end points of the segment. Spline functions on the other hand often have extra degrees of freedom on end segments that allow them to adjust the values of the derivatives to support C 1 or higher continuity.
numDerivativesAtEnd integer 0 optional
The attribute "numDerivativesAtEnd" specifies the type of continuity between this curve segment and its successor. If this is the last curve segment in the curve, one of these values, as appropriate, is ignored. The default value of "0" means simple continuity, which is a mandatory minimum level of continuity. This level is referred to as "C 0 " in mathematical texts. A value of 1 means that the function and its first derivative are continuous at the appropriate end point: "C 1 " continuity. A value of "n" for any integer means the function and its first n derivatives are continuous: "C n " continuity. NOTE: Use of these values is only appropriate when the basic curve definition is an underdetermined system. For example, line string segments cannot support continuity above C 0 , since there is no spare control parameter to adjust the incoming angle at the end points of the segment. Spline functions on the other hand often have extra degrees of freedom on end segments that allow them to adjust the values of the derivatives to support C 1 or higher continuity.
numDerivativesAtStart integer 0 optional
The attribute "numDerivativesAtStart" specifies the type of continuity between this curve segment and its predecessor. If this is the first curve segment in the curve, one of these values, as appropriate, is ignored. The default value of "0" means simple continuity, which is a mandatory minimum level of continuity. This level is referred to as "C 0 " in mathematical texts. A value of 1 means that the function and its first derivative are continuous at the appropriate end point: "C 1 " continuity. A value of "n" for any integer means the function and its first n derivatives are continuous: "C n " continuity. NOTE: Use of these values is only appropriate when the basic curve definition is an underdetermined system. For example, line string segments cannot support continuity above C 0 , since there is no spare control parameter to adjust the incoming angle at the end points of the segment. Spline functions on the other hand often have extra degrees of freedom on end segments that allow them to adjust the values of the derivatives to support C 1 or higher continuity.
Source
<element name="SimpleLineStringSegment" type="womlcore:SimpleLineStringSegmentType" substitutionGroup="gml:_CurveSegment"/>
Schema location http://xml.fmi.fi/schema/woml/core/2010/05/28/woml-common-geometry.xsd