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lines changed Original file line number Diff line number Diff line change @@ -53,7 +53,11 @@ QString QgsInterpolatePointAlgorithm::outputName() const
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QString QgsInterpolatePointAlgorithm::shortHelpString () const
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{
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- return QObject::tr ( " This algorithm creates a point geometry interpolated at a set distance along line geometries." );
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+ return QObject::tr ( " This algorithm creates a point geometry interpolated at a set distance along line or curve geometries.\n\n "
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+ " Z and M values are linearly interpolated from existing values.\n\n "
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+ " If a multipart geometry is encountered, only the first part is considered when "
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+ " interpolating the point.\n\n "
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+ " If the specified distance is greater than the curve's length, the resultant feature will have a null geometry." );
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}
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QString QgsInterpolatePointAlgorithm::shortDescription () const
Original file line number Diff line number Diff line change @@ -56,7 +56,9 @@ QString QgsLineSubstringAlgorithm::shortHelpString() const
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return QObject::tr ( " This algorithm returns the portion of a line (or curve) which falls "
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" between the specified start and end distances (measured from the "
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" beginning of the line).\n\n "
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- " Z and M values are linearly interpolated from existing values." );
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+ " Z and M values are linearly interpolated from existing values.\n\n "
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+ " If a multipart geometry is encountered, only the first part is considered when "
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+ " calculating the substring." );
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}
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QString QgsLineSubstringAlgorithm::shortDescription () const
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