Constructor for temporal network points having a constant value

tnpoint(npoint,timestamptz) → tnpointInst
tnpoint(npoint,tstzset) → tnpointDiscSeq
tnpoint(npoint,tstzspan,interp text='linear') → tnpointContSeq
tnpoint(npoint,tstzspanset,interp text='linear') → tnpointSeqSet

SELECT tnpoint('Npoint(1, 0.5)', timestamptz '2001-01-01');
-- NPoint(1,0.5)@2001-01-01
SELECT tnpointSeq('Npoint(1, 0.3)', tstzset '{2001-01-01, 2001-01-03, 2001-01-05}');
-- {NPoint(1,0.3)@2001-01-01, NPoint(1,0.3)@2001-01-03, NPoint(1,0.3)@2001-01-05}
SELECT tnpointSeq('Npoint(1, 0.5)', tstzspan '[2001-01-01, 2001-01-02]');
-- [NPoint(1,0.5)@2001-01-01, NPoint(1,0.5)@2001-01-02]
SELECT tnpointSeqSet('Npoint(1, 0.2)', tstzspanset '{[2001-01-01, 2001-01-03]}', 'step');
-- Interp=Step;{[NPoint(1,0.2)@2001-01-01, NPoint(1,0.2)@2001-01-03]}

Constructor for temporal network points of sequence subtype

tnpointSeq(tnpointInst[],interp text={'step','linear'},lower_inc boolean=true,
  upper_inc boolean=true) → tnpointSeq

SELECT tnpointSeq(ARRAY[tnpoint 'Npoint(1, 0.3)@2001-01-01', 'Npoint(1, 0.5)@2001-01-02',
  'Npoint(1, 0.5)@2001-01-03']);
-- {NPoint(1,0.3)@2001-01-01, NPoint(1,0.5)@2001-01-02, NPoint(1,0.5)@2001-01-03}
SELECT tnpointSeq(ARRAY[tnpoint 'Npoint(1, 0.2)@2001-01-01', 'Npoint(1, 0.4)@2001-01-02',
  'Npoint(1, 0.5)@2001-01-03']);
-- [NPoint(1,0.2)@2001-01-01, NPoint(1,0.4)@2001-01-02, NPoint(1,0.5)@2001-01-03]

Constructor for temporal network points of sequence set subtype

tnpointSeqSet(tnpoint[]) → tnpointSeqSet
tnpointSeqSetGaps(tnpointInst[],maxt interval=NULL,maxdist float=NULL,
  interp text='linear') → tnpointSeqSet

SELECT tnpointSeqSet(ARRAY[tnpoint '[Npoint(1,0.2)@2001-01-01, Npoint(1,0.4)@2001-01-02,
  Npoint(1,0.5)@2001-01-03]', '[Npoint(2,0.6)@2001-01-04, Npoint(2,0.6)@2001-01-05]']);
/* {[NPoint(1,0.2)@2001-01-01, NPoint(1,0.4)@2001-01-02, NPoint(1,0.5)@2001-01-03],
   [NPoint(2,0.6)@2001-01-04, NPoint(2,0.6)@2001-01-05]} */
SELECT tnpointSeqSetGaps(ARRAY[tnpoint 'NPoint(1,0.1)@2001-01-01',
  'NPoint(1,0.3)@2001-01-03', 'NPoint(1,0.5)@2001-01-05'], '1 day');
-- {[NPoint(1,0.1)@2001-01-01], [NPoint(1,0.3)@2001-01-03], [NPoint(1,0.5)@2001-01-05]}