Skip to content

meos.js


meos.js / TFloat

Class: TFloat

Defined in: core/types/basic/tfloat/TFloat.ts:86

Temporal float type.

Wraps a MEOS TFloat pointer and exposes float-specific operations on top of the generic Temporal API.

Unlike TBool and TInt (which only support Discrete and Stepwise interpolation), TFloat also supports Linear interpolation: values between two instants are linearly interpolated. A sequence written as [1.0@T1, 3.0@T2] means the value grows continuously from 1.0 to 3.0 between T1 and T2.

Example

ts
await initMeos();
const t = TFloat.fromString('[1.5@2000-01-01 00:01:00+00, 3.5@2000-01-01 00:02:00+00]');
console.log(t.startValue()); // 1.5
console.log(t.interpolation()); // TInterpolation.Linear
t.free();

Extends

  • TNumber

Extended by

Constructors

Constructor

ts
new TFloat(inner): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:91

Parameters

inner

number

Returns

TFloat

Overrides

ts
TNumber.constructor

Accessors

inner

Get Signature

ts
get inner(): number;

Defined in: core/types/temporal/Temporal.ts:173

Raw WASM pointer. Use when passing this value to low-level functions.

Returns

number

Inherited from

ts
TNumber.inner

Methods

[dispose]()

ts
dispose: void;

Defined in: core/types/temporal/Temporal.ts:191

Explicit Resource Management support. Allows using t = TBool.fromString(...) to free automatically.

Returns

void

Inherited from

ts
TNumber.[dispose]

abs()

ts
abs(): this;

Defined in: core/types/basic/tnumber/TNumber.ts:75

Returns a new temporal with each value replaced by its absolute value. MEOS: tnumber_abs

Returns

this

Inherited from

ts
TNumber.abs

add()

ts
add(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:223

Add a constant float to every instant. MEOS: add_tfloat_float

Parameters

d

number

Returns

TFloat


addTemporal()

ts
addTemporal(other): this;

Defined in: core/types/basic/tnumber/TNumber.ts:132

Adds another TNumber to this one instant-by-instant. MEOS: add_tnumber_tnumber

Parameters

other

TNumber

Returns

this

Inherited from

ts
TNumber.addTemporal

alwaysEq()

ts
alwaysEq(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:301

Returns true if the value is always equal to d. MEOS: always_eq_tfloat_float

Parameters

d

number

Returns

boolean


alwaysGe()

ts
alwaysGe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:321

Returns true if the value is always >= d. MEOS: always_ge_tfloat_float

Parameters

d

number

Returns

boolean


alwaysGt()

ts
alwaysGt(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:317

Returns true if the value is always greater than d. MEOS: always_gt_tfloat_float

Parameters

d

number

Returns

boolean


alwaysLe()

ts
alwaysLe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:313

Returns true if the value is always <= d. MEOS: always_le_tfloat_float

Parameters

d

number

Returns

boolean


alwaysLt()

ts
alwaysLt(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:309

Returns true if the value is always less than d. MEOS: always_lt_tfloat_float

Parameters

d

number

Returns

boolean


alwaysNe()

ts
alwaysNe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:305

Returns true if the value is always not equal to d. MEOS: always_ne_tfloat_float

Parameters

d

number

Returns

boolean


appendInstant()

ts
appendInstant(
   inst, 
   maxdist?, 
   maxt?, 
   expand?): this;

Defined in: core/types/temporal/Temporal.ts:528

Appends an instant to this temporal, returning a new temporal. MEOS: temporal_append_tinstant

Parameters

inst

this

The instant to append (same subtype as this).

maxdist?

number = 0

Maximum distance gap allowed (0 = no limit).

maxt?

number = 0

Maximum time gap as interval pointer (0 = no limit).

expand?

boolean = false

Whether to expand the sequence in-place.

Returns

this

Inherited from

ts
TNumber.appendInstant

appendSequence()

ts
appendSequence(seq, expand?): this;

Defined in: core/types/temporal/Temporal.ts:538

Appends a sequence to this temporal, returning a new temporal. MEOS: temporal_append_tsequence

Parameters

seq

this

expand?

boolean = false

Returns

this

Inherited from

ts
TNumber.appendSequence

asHexWKB()

ts
asHexWKB(): string;

Defined in: core/types/temporal/Temporal.ts:213

Returns the hex-encoded WKB representation.

Uses the hand-written temporal_as_hexwkb_w wrapper which internally passes variant=4 (extended WKB) and discards size_out.

MEOS: temporal_as_hexwkb

Returns

string

Inherited from

ts
TNumber.asHexWKB

asMFJSON()

ts
asMFJSON(
   withBbox?, 
   flags?, 
   precision?, 
   srs?): string;

Defined in: core/types/temporal/Temporal.ts:235

Returns the MF-JSON representation.

The hand-written wrapper converts an empty srs string to C NULL so that callers can omit the SRS without passing a null pointer directly.

MEOS: temporal_as_mfjson

Parameters

withBbox?

boolean = true

Include bounding box in the output (default true)

flags?

number = 3

Output flags (default 3)

precision?

number = 6

Coordinate decimal precision (default 6)

srs?

string | null

Spatial Reference System string, or null to omit

Returns

string

Inherited from

ts
TNumber.asMFJSON

at()

ts
at(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:259

Restrict to instants where the value equals d. MEOS: tfloat_at_value

Parameters

d

number

Returns

TFloat


atMax()

ts
atMax(): this;

Defined in: core/types/temporal/Temporal.ts:406

Restricts to instants where the value is the maximum. MEOS: temporal_at_max

Returns

this

Inherited from

ts
TNumber.atMax

atMin()

ts
atMin(): this;

Defined in: core/types/temporal/Temporal.ts:401

Restricts to instants where the value is the minimum. MEOS: temporal_at_min

Returns

this

Inherited from

ts
TNumber.atMin

atSpan()

ts
atSpan(span): this;

Defined in: core/types/basic/tnumber/TNumber.ts:110

Restricts to instants whose value falls in span. MEOS: tnumber_at_span

Parameters

span

number

Returns

this

Inherited from

ts
TNumber.atSpan

atSpanSet()

ts
atSpanSet(ss): this;

Defined in: core/types/basic/tnumber/TNumber.ts:113

Restricts to instants whose value falls in ss. MEOS: tnumber_at_spanset

Parameters

ss

number

Returns

this

Inherited from

ts
TNumber.atSpanSet

atTBox()

ts
atTBox(box): this;

Defined in: core/types/basic/tnumber/TNumber.ts:116

Restricts to the value-time region defined by box. MEOS: tnumber_at_tbox

Parameters

box

number

Returns

this

Inherited from

ts
TNumber.atTBox

atTsTzSet()

ts
atTsTzSet(s): this;

Defined in: core/types/temporal/Temporal.ts:425

Restricts to the given timestamp set. MEOS: temporal_at_tstzset

Parameters

s

number

Returns

this

Inherited from

ts
TNumber.atTsTzSet

atTsTzSpan()

ts
atTsTzSpan(s): this;

Defined in: core/types/temporal/Temporal.ts:430

Restricts to the given timestamp span. MEOS: temporal_at_tstzspan

Parameters

s

number

Returns

this

Inherited from

ts
TNumber.atTsTzSpan

atTsTzSpanSet()

ts
atTsTzSpanSet(ss): this;

Defined in: core/types/temporal/Temporal.ts:435

Restricts to the given timestamp span set. MEOS: temporal_at_tstzspanset

Parameters

ss

number

Returns

this

Inherited from

ts
TNumber.atTsTzSpanSet

avgValue()

ts
avgValue(): number;

Defined in: core/types/basic/tnumber/TNumber.ts:68

Returns the plain average of all instant values. MEOS: tnumber_avg_value

Returns

number

Inherited from

ts
TNumber.avgValue

ceil()

ts
ceil(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:389

Returns a new temporal with each value rounded up to the nearest integer. MEOS: tfloat_ceil

Returns

TFloat


copy()

ts
copy(): this;

Defined in: core/types/temporal/Temporal.ts:199

Returns a deep copy of this temporal value. MEOS: temporal_copy

Returns

this

Inherited from

ts
TNumber.copy

degrees()

ts
degrees(normalize?): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:403

Converts each value from radians to degrees.

Parameters

normalize?

boolean = false

If true, normalises the result to [0, 360) (default false). MEOS: tfloat_degrees

Returns

TFloat


deltaValue()

ts
deltaValue(): this;

Defined in: core/types/basic/tnumber/TNumber.ts:81

Returns a new temporal where each value is the difference from the previous instant's value (first instant gets 0). MEOS: tnumber_delta_value

Returns

this

Inherited from

ts
TNumber.deltaValue

distanceScalar()

ts
distanceScalar(scalar): this;

Defined in: core/types/basic/tnumber/TNumber.ts:176

Returns the temporal distance between this and a scalar value. Result is a TFloat with the instantaneous distance at each timestamp. MEOS: tdistance_tint_int / tdistance_tfloat_float

Parameters

scalar

number

Returns

this

Inherited from

ts
TNumber.distanceScalar

distanceTemporal()

ts
distanceTemporal(other): this;

Defined in: core/types/basic/tnumber/TNumber.ts:184

Returns the temporal distance between this and another TNumber. MEOS: tdistance_tnumber_tnumber

Parameters

other

TNumber

Returns

this

Inherited from

ts
TNumber.distanceTemporal

div()

ts
div(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:247

Divide every instant by a constant float. MEOS: div_tfloat_float

Parameters

d

number

Returns

TFloat


divTemporal()

ts
divTemporal(other): this;

Defined in: core/types/basic/tnumber/TNumber.ts:147

Divides this by another TNumber. MEOS: div_tnumber_tnumber

Parameters

other

TNumber

Returns

this

Inherited from

ts
TNumber.divTemporal

durationMs()

ts
durationMs(ignoreGaps?): number;

Defined in: core/types/temporal/Temporal.ts:385

Returns the total duration as a number of milliseconds.

Uses the hand-written temporal_duration_us_w wrapper which converts the MEOS Interval* return value to a plain int64 (total microseconds). The result is divided by 1000 to return milliseconds.

Pass ignoreGaps=true to sum only sequence durations, ignoring the time gaps between sequences in a SequenceSet.

MEOS: temporal_duration

Parameters

ignoreGaps?

boolean = false

Returns

number

Inherited from

ts
TNumber.durationMs

endInstant()

ts
endInstant(): this;

Defined in: core/types/temporal/Temporal.ts:286

Returns the last instant as a new instance of the same subtype. MEOS: temporal_end_instant

Returns

this

Inherited from

ts
TNumber.endInstant

endTimestamp()

ts
endTimestamp(): number;

Defined in: core/types/temporal/Temporal.ts:362

Returns the last timestamp as microseconds since 2000-01-01 UTC. MEOS: temporal_end_timestamptz

Returns

number

Inherited from

ts
TNumber.endTimestamp

endValue()

ts
endValue(): number;

Defined in: core/types/basic/tfloat/TFloat.ts:183

Ending value of the temporal. MEOS: tfloat_end_value

Returns

number

Overrides

ts
TNumber.endValue

equals()

ts
equals(other): boolean;

Defined in: core/types/temporal/Temporal.ts:558

Pointer-based identity check. For value equality, use the generated teq_* / temporal_eq functions.

Parameters

other

Temporal<number>

Returns

boolean

Inherited from

ts
TNumber.equals

everEq()

ts
everEq(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:276

Returns true if the value is ever equal to d. MEOS: ever_eq_tfloat_float

Parameters

d

number

Returns

boolean


everGe()

ts
everGe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:296

Returns true if the value is ever >= d. MEOS: ever_ge_tfloat_float

Parameters

d

number

Returns

boolean


everGt()

ts
everGt(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:292

Returns true if the value is ever greater than d. MEOS: ever_gt_tfloat_float

Parameters

d

number

Returns

boolean


everLe()

ts
everLe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:288

Returns true if the value is ever <= d. MEOS: ever_le_tfloat_float

Parameters

d

number

Returns

boolean


everLt()

ts
everLt(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:284

Returns true if the value is ever less than d. MEOS: ever_lt_tfloat_float

Parameters

d

number

Returns

boolean


everNe()

ts
everNe(d): boolean;

Defined in: core/types/basic/tfloat/TFloat.ts:280

Returns true if the value is ever not equal to d. MEOS: ever_ne_tfloat_float

Parameters

d

number

Returns

boolean


exp()

ts
exp(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:413

Applies e^x to each value. MEOS: tfloat_exp

Returns

TFloat


floor()

ts
floor(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:394

Returns a new temporal with each value rounded down to the nearest integer. MEOS: tfloat_floor

Returns

TFloat


free()

ts
free(): void;

Defined in: core/types/temporal/Temporal.ts:183

Frees the underlying MEOS allocation.

After calling free(), the instance must not be used. Calls the hand-written meos_free wrapper from res/bindings_c_header.txt.

Returns

void

Inherited from

ts
TNumber.free

instantN()

ts
instantN(n): this;

Defined in: core/types/temporal/Temporal.ts:320

Returns the n-th instant (0-based index).

Uses the hand-written temporal_instant_n_w wrapper which converts the 0-based JS index to the 1-based index expected by MEOS internally.

MEOS: temporal_instant_n

Parameters

n

number

Returns

this

Inherited from

ts
TNumber.instantN

integral()

ts
integral(): number;

Defined in: core/types/basic/tnumber/TNumber.ts:62

Returns the temporal integral (area under the curve). MEOS: tnumber_integral

Returns

number

Inherited from

ts
TNumber.integral

interpolation()

ts
interpolation(): TInterpolation;

Defined in: core/types/temporal/Temporal.ts:248

Returns the interpolation mode of this temporal value. MEOS: temporal_interp

Returns

TInterpolation

Inherited from

ts
TNumber.interpolation

ln()

ts
ln(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:418

Applies the natural logarithm ln(x) to each value. MEOS: tfloat_ln

Returns

TFloat


log10()

ts
log10(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:423

Applies the base-10 logarithm log10(x) to each value. MEOS: tfloat_log10

Returns

TFloat


maxInstant()

ts
maxInstant(): this;

Defined in: core/types/temporal/Temporal.ts:306

Returns the instant with the maximum value. MEOS: temporal_max_instant

Returns

this

Inherited from

ts
TNumber.maxInstant

maxValue()

ts
maxValue(): number;

Defined in: core/types/basic/tfloat/TFloat.ts:199

Maximum value over the entire temporal. MEOS: tfloat_max_value

Returns

number


merge()

ts
merge(other): this;

Defined in: core/types/temporal/Temporal.ts:546

Merges this temporal with another, returning a new temporal. MEOS: temporal_merge

Parameters

other

this

Returns

this

Inherited from

ts
TNumber.merge

minInstant()

ts
minInstant(): this;

Defined in: core/types/temporal/Temporal.ts:296

Returns the instant with the minimum value. MEOS: temporal_min_instant

Returns

this

Inherited from

ts
TNumber.minInstant

minus()

ts
minus(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:267

Restrict to instants where the value differs from d. MEOS: tfloat_minus_value

Parameters

d

number

Returns

TFloat


minusMax()

ts
minusMax(): this;

Defined in: core/types/temporal/Temporal.ts:416

Excludes instants where the value is the maximum. MEOS: temporal_minus_max

Returns

this

Inherited from

ts
TNumber.minusMax

minusMin()

ts
minusMin(): this;

Defined in: core/types/temporal/Temporal.ts:411

Excludes instants where the value is the minimum. MEOS: temporal_minus_min

Returns

this

Inherited from

ts
TNumber.minusMin

minusSpan()

ts
minusSpan(span): this;

Defined in: core/types/basic/tnumber/TNumber.ts:119

Excludes instants whose value falls in span. MEOS: tnumber_minus_span

Parameters

span

number

Returns

this

Inherited from

ts
TNumber.minusSpan

minusSpanSet()

ts
minusSpanSet(ss): this;

Defined in: core/types/basic/tnumber/TNumber.ts:122

Excludes instants whose value falls in ss. MEOS: tnumber_minus_spanset

Parameters

ss

number

Returns

this

Inherited from

ts
TNumber.minusSpanSet

minusTBox()

ts
minusTBox(box): this;

Defined in: core/types/basic/tnumber/TNumber.ts:125

Excludes the value-time region defined by box. MEOS: tnumber_minus_tbox

Parameters

box

number

Returns

this

Inherited from

ts
TNumber.minusTBox

minusTsTzSet()

ts
minusTsTzSet(s): this;

Defined in: core/types/temporal/Temporal.ts:440

Excludes the given timestamp set. MEOS: temporal_minus_tstzset

Parameters

s

number

Returns

this

Inherited from

ts
TNumber.minusTsTzSet

minusTsTzSpan()

ts
minusTsTzSpan(s): this;

Defined in: core/types/temporal/Temporal.ts:445

Excludes the given timestamp span. MEOS: temporal_minus_tstzspan

Parameters

s

number

Returns

this

Inherited from

ts
TNumber.minusTsTzSpan

minusTsTzSpanSet()

ts
minusTsTzSpanSet(ss): this;

Defined in: core/types/temporal/Temporal.ts:450

Excludes the given timestamp span set. MEOS: temporal_minus_tstzspanset

Parameters

ss

number

Returns

this

Inherited from

ts
TNumber.minusTsTzSpanSet

minValue()

ts
minValue(): number;

Defined in: core/types/basic/tfloat/TFloat.ts:191

Minimum value over the entire temporal. MEOS: tfloat_min_value

Returns

number


mult()

ts
mult(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:239

Multiply every instant by a constant float. MEOS: mult_tfloat_float

Parameters

d

number

Returns

TFloat


multTemporal()

ts
multTemporal(other): this;

Defined in: core/types/basic/tnumber/TNumber.ts:142

Multiplies this by another TNumber. MEOS: mult_tnumber_tnumber

Parameters

other

TNumber

Returns

this

Inherited from

ts
TNumber.multTemporal

nad()

ts
nad(scalar): number;

Defined in: core/types/basic/tnumber/TNumber.ts:193

Nearest approach distance to a scalar value. MEOS: nad_tint_int / nad_tfloat_float

Parameters

scalar

number

Returns

number

Inherited from

ts
TNumber.nad

nadTBox()

ts
nadTBox(box): number;

Defined in: core/types/basic/tnumber/TNumber.ts:199

Nearest approach distance to a TBox. MEOS: nad_tint_tbox / nad_tfloat_tbox

Parameters

box

number

Returns

number

Inherited from

ts
TNumber.nadTBox

nadTemporal()

ts
nadTemporal(other): number;

Defined in: core/types/basic/tnumber/TNumber.ts:196

Nearest approach distance to another TNumber. MEOS: nad_tint_tint / nad_tfloat_tfloat

Parameters

other

TNumber

Returns

number

Inherited from

ts
TNumber.nadTemporal

numInstants()

ts
numInstants(): number;

Defined in: core/types/temporal/Temporal.ts:263

Returns the number of distinct instants in this temporal value. MEOS: temporal_num_instants

Returns

number

Inherited from

ts
TNumber.numInstants

numTimestamps()

ts
numTimestamps(): number;

Defined in: core/types/temporal/Temporal.ts:334

Returns the number of distinct timestamps. MEOS: temporal_num_timestamps

Returns

number

Inherited from

ts
TNumber.numTimestamps

radd()

ts
radd(scalar): this;

Defined in: core/types/basic/tnumber/TNumber.ts:156

Returns scalar + this instant-by-instant. MEOS: add_int_tint / add_float_tfloat

Parameters

scalar

number

Returns

this

Inherited from

ts
TNumber.radd

radians()

ts
radians(): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:408

Converts each value from degrees to radians. MEOS: tfloat_radians

Returns

TFloat


rdiv()

ts
rdiv(scalar): this;

Defined in: core/types/basic/tnumber/TNumber.ts:165

Returns scalar / this instant-by-instant. MEOS: div_int_tint / div_float_tfloat

Parameters

scalar

number

Returns

this

Inherited from

ts
TNumber.rdiv

rmul()

ts
rmul(scalar): this;

Defined in: core/types/basic/tnumber/TNumber.ts:162

Returns scalar * this instant-by-instant. MEOS: mult_int_tint / mult_float_tfloat

Parameters

scalar

number

Returns

this

Inherited from

ts
TNumber.rmul

rsub()

ts
rsub(scalar): this;

Defined in: core/types/basic/tnumber/TNumber.ts:159

Returns scalar - this instant-by-instant. MEOS: sub_int_tint / sub_float_tfloat

Parameters

scalar

number

Returns

this

Inherited from

ts
TNumber.rsub

scaleTime()

ts
scaleTime(duration): this;

Defined in: core/types/temporal/Temporal.ts:464

Scales the temporal domain to the given duration interval pointer. MEOS: temporal_scale_time

Parameters

duration

number

Returns

this

Inherited from

ts
TNumber.scaleTime

scaleValue()

ts
scaleValue(width): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:443

Returns a new temporal with the value range scaled to width. MEOS: tfloat_scale_value

Parameters

width

number

Returns

TFloat


setInterp()

ts
setInterp(interp): this;

Defined in: core/types/temporal/Temporal.ts:478

Returns a new temporal with the interpolation changed to interp. Pass TInterpolation values as numbers: Discrete=0, Stepwise=1, Linear=2. MEOS: temporal_set_interp

Parameters

interp

TInterpolation

Returns

this

Inherited from

ts
TNumber.setInterp

shiftScaleTime()

ts
shiftScaleTime(shift, duration): this;

Defined in: core/types/temporal/Temporal.ts:469

Shifts and scales the temporal domain. MEOS: temporal_shift_scale_time

Parameters

shift

number

duration

number

Returns

this

Inherited from

ts
TNumber.shiftScaleTime

shiftScaleValue()

ts
shiftScaleValue(shift, width): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:451

Returns a new temporal with the value range shifted by shift and scaled to width. MEOS: tfloat_shift_scale_value

Parameters

shift

number

width

number

Returns

TFloat


shiftTime()

ts
shiftTime(shift): this;

Defined in: core/types/temporal/Temporal.ts:459

Shifts the temporal domain by the given interval pointer. MEOS: temporal_shift_time

Parameters

shift

number

Returns

this

Inherited from

ts
TNumber.shiftTime

shiftValue()

ts
shiftValue(shift): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:435

Returns a new temporal with every value shifted by shift. MEOS: tfloat_shift_value

Parameters

shift

number

Returns

TFloat


startInstant()

ts
startInstant(): this;

Defined in: core/types/temporal/Temporal.ts:276

Returns the first instant as a new instance of the same subtype. MEOS: temporal_start_instant

Returns

this

Inherited from

ts
TNumber.startInstant

startTimestamp()

ts
startTimestamp(): number;

Defined in: core/types/temporal/Temporal.ts:347

Returns the first timestamp as microseconds since 2000-01-01 UTC. MEOS: temporal_start_timestamptz

Returns

number

Inherited from

ts
TNumber.startTimestamp

startValue()

ts
startValue(): number;

Defined in: core/types/basic/tfloat/TFloat.ts:175

Starting value of the temporal. MEOS: tfloat_start_value

Returns

number

Overrides

ts
TNumber.startValue

sub()

ts
sub(d): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:231

Subtract a constant float from every instant. MEOS: sub_tfloat_float

Parameters

d

number

Returns

TFloat


subTemporal()

ts
subTemporal(other): this;

Defined in: core/types/basic/tnumber/TNumber.ts:137

Subtracts another TNumber from this one. MEOS: sub_tnumber_tnumber

Parameters

other

TNumber

Returns

this

Inherited from

ts
TNumber.subTemporal

temporalEq()

ts
temporalEq(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:330

Returns a TBool that is true at each instant where this == d. MEOS: teq_tfloat_float

Parameters

d

number

Returns

TBool


temporalGe()

ts
temporalGe(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:350

Returns a TBool that is true at each instant where this >= d. MEOS: tge_tfloat_float

Parameters

d

number

Returns

TBool


temporalGt()

ts
temporalGt(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:346

Returns a TBool that is true at each instant where this > d. MEOS: tgt_tfloat_float

Parameters

d

number

Returns

TBool


temporalLe()

ts
temporalLe(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:342

Returns a TBool that is true at each instant where this <= d. MEOS: tle_tfloat_float

Parameters

d

number

Returns

TBool


temporalLt()

ts
temporalLt(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:338

Returns a TBool that is true at each instant where this < d. MEOS: tlt_tfloat_float

Parameters

d

number

Returns

TBool


temporalNe()

ts
temporalNe(d): TBool;

Defined in: core/types/basic/tfloat/TFloat.ts:334

Returns a TBool that is true at each instant where this != d. MEOS: tne_tfloat_float

Parameters

d

number

Returns

TBool


timeWeightedAverage()

ts
timeWeightedAverage(): number;

Defined in: core/types/basic/tnumber/TNumber.ts:65

Returns the time-weighted average. MEOS: tnumber_twavg

Returns

number

Inherited from

ts
TNumber.timeWeightedAverage

toInstant()

ts
toInstant(): this;

Defined in: core/types/temporal/Temporal.ts:489

Converts to TInstant (must already be an instant). MEOS: temporal_to_tinstant

Returns

this

Inherited from

ts
TNumber.toInstant

toSequence()

ts
toSequence(interp): this;

Defined in: core/types/temporal/Temporal.ts:494

Converts to TSequence with the given interpolation. MEOS: temporal_to_tsequence

Parameters

interp

TInterpolation

Returns

this

Inherited from

ts
TNumber.toSequence

toSequenceSet()

ts
toSequenceSet(interp): this;

Defined in: core/types/temporal/Temporal.ts:505

Converts to TSequenceSet with the given interpolation. MEOS: temporal_to_tsequenceset

Parameters

interp

TInterpolation

Returns

this

Inherited from

ts
TNumber.toSequenceSet

toString()

ts
toString(maxdd?): string;

Defined in: core/types/basic/tfloat/TFloat.ts:167

WKT string representation.

Parameters

maxdd?

number = 15

Maximum number of decimal digits for float values (default 15). MEOS: tfloat_out

Returns

string

Overrides

ts
TNumber.toString

toTBox()

ts
toTBox(): number;

Defined in: core/types/basic/tnumber/TNumber.ts:103

Returns the temporal bounding box as a raw TBox pointer. MEOS: tnumber_to_tbox

Returns

number

Inherited from

ts
TNumber.toTBox

toTInt()

ts
toTInt(): TInt;

Defined in: core/types/basic/tfloat/TFloat.ts:211

Convert to a TInt by truncating each float value to an integer.

Step interpolation is preserved. Linear sequences become stepwise after conversion because integer values cannot interpolate continuously.

MEOS: tfloat_to_tint

Returns

TInt


toValueSpan()

ts
toValueSpan(): number;

Defined in: core/types/basic/tnumber/TNumber.ts:97

Returns the value span (range) of this temporal as a raw pointer. MEOS: tnumber_to_span

Returns

number

Inherited from

ts
TNumber.toValueSpan

trend()

ts
trend(): this;

Defined in: core/types/basic/tnumber/TNumber.ts:87

Returns +1 / 0 / -1 at each instant indicating whether the value is increasing, constant, or decreasing. MEOS: tnumber_trend

Returns

this

Inherited from

ts
TNumber.trend

valueAtTimestamp()

ts
valueAtTimestamp(t): number | null;

Defined in: core/types/basic/tfloat/TFloat.ts:376

Evaluates the temporal at a specific timestamp. Returns null when the timestamp is outside the temporal's domain.

Parameters

t

number

Timestamp in microseconds since 2000-01-01 UTC.

Returns

number | null


valueN()

ts
valueN(n): number;

Defined in: core/types/basic/tfloat/TFloat.ts:363

Returns the n-th distinct float value (0-based index) across all instants.

Parameters

n

number

0-based index (MEOS internally uses 1-based indexing). MEOS: tfloat_value_n

Returns

number


fromBaseTemporal()

ts
static fromBaseTemporal(d, domain): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:122

Create a TFloat with constant value d spanning the same domain as domain. MEOS: tfloat_from_base_temp

Parameters

d

number

domain

TFloat

Returns

TFloat


fromBaseTime()

ts
static fromBaseTime(
   d, 
   time, 
   type, 
   interp?): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:133

Create a TFloat with constant value d over a time object. Accepts a raw Ptr to a TsTzSet, TsTzSpan, or TsTzSpanSet. For TsTzSpan and TsTzSpanSet, interp selects the interpolation (1=Stepwise, 3=Linear, default Linear). MEOS: tfloatseq_from_base_tstzset / tstzspan / tfloatseqset_from_base_tstzspanset

Parameters

d

number

time

number

type

"tstzset" | "tstzspan" | "tstzspanset"

interp?

number = 3

Returns

TFloat


fromInstant()

ts
static fromInstant(value, timestamp): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:149

Create a TFloatInst from a float value and a timestamp.

Parameters

value

number

The float value.

timestamp

number

Microseconds since 2000-01-01 UTC (TimestampTz).

MEOS: tfloatinst_make

Returns

TFloat


fromMFJSON()

ts
static fromMFJSON(mfjson): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:114

Parse a TFloat from a MF-JSON string. MEOS: tfloat_from_mfjson

Parameters

mfjson

string

Returns

TFloat


fromString()

ts
static fromString(wkt): TFloat;

Defined in: core/types/basic/tfloat/TFloat.ts:106

Parse a TFloat from a WKT string.

Accepts all subtypes and interpolations:

  • Instant: "1.5@2000-01-01 00:01:00+00"
  • Linear sequence: "[1.5@2000-01-01, 3.5@2000-01-02]"
  • Step sequence: "Interp=Stepwise;[1.5@2000-01-01, 3.5@2000-01-02]"
  • Discrete: "{1.5@2000-01-01, 3.5@2000-01-02}"

MEOS: tfloat_in

Parameters

wkt

string

Returns

TFloat