Parameter Manager

Parameter Properties

Select the Parameter Manager icon on the right-side navigation bar, the dialog window allows you to change properties:

Name: Name of your Parameter.
Expression: Mathematical expression, a finite combination of symbols that is well formed according to context dependent rules.
Value: Is a number signifying the result of a calculation or function from Expression.
Unit: A unit of measurement is a definite magnitude of a quantity.
Comment: Enter any phrases describing your Parameter.

Model Parameters

Parametric Shapes are prepared to be calculated in Parameter Manager. Whenever Parametric Shape is created core dimensions are automatically added to Parameter Manager. For example if cube is added to viewport three parameters are made: Lenght, Height, Width.

User Parameters

You can calculate and combine specific prefixes, tables and even physical constants to specify value of each parameter.

Calculations will be visible on viewport and Asset parameters.

Units for Expressions

You can use Unit field in Expression field for calculations.

Base	Unit
Length	meter (m), inch (in), foot (ft), yard (yd), mile (mi), link (li), rod (rd), chain (ch), angstrom, mil
Surface area	m2, sqin, sqft, sqyd, sqmi, sqrd, sqch, sqmil, acre, hectare
Volume	m3, litre (l, L, lt, liter), cc, cuin, cuft, cuyd, teaspoon, tablespoon
Liquid volume	minim (min), fluiddram (fldr), fluidounce (floz), gill (gi), cup (cp), pint (pt), quart (qt), gallon (gal), beerbarrel (bbl), oilbarrel (obl), hogshead, drop (gtt)
Angles	rad (radian), deg (degree), grad (gradian), cycle, arcsec (arcsecond), arcmin (arcminute)
Time	second (s, secs, seconds), minute (mins, minutes), hour (h, hr, hrs, hours), day (days), week (weeks), month (months), year (years), decade (decades), century (centuries), millennium (millennia)
Frequency	hertz (Hz)
Mass	gram(g), tonne, ton, grain (gr), dram (dr), ounce (oz), poundmass (lbm, lb, lbs), hundredweight (cwt), stick, stone
Electric current	ampere (A)
Temperature	kelvin (K), celsius (degC), fahrenheit (degF), rankine (degR)
Amount of substance	mole (mol)
Luminous intensity	candela (cd)
Force	newton (N), dyne (dyn), poundforce (lbf), kip
Energy	joule (J), erg, Wh, BTU, electronvolt (eV)
Power	watt (W), hp
Pressure	Pa, psi, atm, torr, bar, mmHg, mmH2O, cmH2O
Electricity and magnetism	ampere (A), coulomb (C), watt (W), volt (V), ohm, farad (F), weber (Wb), tesla (T), henry (H), siemens (S), electronvolt (eV)
Binary	bits (b), bytes (B)

Prefixes

You can use names of Prefixes with Units in Expression field for calculations.

The following decimal prefixes are available:

Name	Abbreviation	Value
deca	da	1e1
hecto	h	1e2
kilo	k	1e3
mega	M	1e6
giga	G	1e9
tera	T	1e12
peta	P	1e15
exa	E	1e18
zetta	Z	1e21
yotta	Y	1e24
deci	d	1e-1
centi	c	1e-2
milli	m	1e-3
micro	u	1e-6
nano	n	1e-9
pico	p	1e-12
femto	f	1e-15
atto	a	1e-18
zepto	z	1e-21
yocto	Y	1e-24

The following binary prefixes are available. They can be used with units bits (b) and bytes (B):

Name	Abbreviation	Value
kibi	Ki	1024
mebi	Mi	1024^2
gibi	Gi	1024^3
tebi	Ti	1024^4
pebi	Pi	1024^5
exi	Ei	1024^6
zebi	Zi	1024^7
yobi	Yi	1024^8
kilo	k	1e3
mega	M	1e6
giga	G	1e9
tera	T	1e12
peta	P	1e15
exa	E	1e18
zetta	Z	1e21
yotta	Y	1e24

Physical Constants

You can use names of constants in Expression field for calculations.

Universal Constants

Name	Symbol	Value	Unit
speedOfLight	c	299792458	m · s-1
gravitationConstant	G	6.6738480e-11	m3 · kg-1 · s-2
planckConstant	h	6.626069311e-34	J · s
reducedPlanckConstant	h	1.05457172647e-34	J · s

Electromagnetic Constants

Name	Symbol	Value	Unit
magneticConstant	μ0	1.2566370614e-6	N · A-2
electricConstant	ε0	8.854187817e-12	F · m-1
vacuumImpedance	Z0	376.730313461	&ohm;
coulomb	κ	8.9875517873681764e9	N · m2 · C-2
elementaryCharge	e	1.60217656535e-19	C
bohrMagneton	μB	9.2740096820e-24	J · T-1
conductanceQuantum	G0	7.748091734625e-5	S
inverseConductanceQuantum	G0-1	12906.403721742	&ohm;
magneticFluxQuantum	f0	2.06783375846e-15	Wb
nuclearMagneton	μN	5.0507835311e-27	J · T-1
klitzing	RK	25812.807443484	&ohm;

Atomic and Nuclear Constants

Name	Symbol	Value	Unit
bohrRadius	a0	5.291772109217e-11	m
classicalElectronRadius	re	2.817940326727e-15	m
electronMass	me	9.1093829140e-31	kg
fermiCoupling	GF	1.1663645e-5	GeV-2
fineStructure	α	7.297352569824e-3	-
hartreeEnergy	Eh	4.3597443419e-18	J
protonMass	mp	1.67262177774e-27	kg
deuteronMass	md	3.3435830926e-27	kg
neutronMass	mn	1.6749271613e-27	kg
quantumOfCirculation	h / (2me)	3.636947552024e-4	m2 · s-1
rydberg	R∞	10973731.56853955	m-1
thomsonCrossSection	-	6.65245873413e-29	m2
weakMixingAngle	-	0.222321	-
efimovFactor	-	22.7	-

Physico-chemical Constants

Name	Symbol	Value	Unit
atomicMass	mu	1.66053892173e-27	kg
avogadro	NA	6.0221412927e23	mol-1
boltzmann	k	1.380648813e-23	J · K-1
faraday	F	96485.336521	C · mol-1
firstRadiation	c1	3.7417715317e-16	W · m2
loschmidt	n0	2.686780524e25	m-3
gasConstant	R	8.314462175	J · K-1 · mol-1
molarPlanckConstant	NA · h	3.990312717628e-10	J · s · mol-1
molarVolume	Vm	2.241396820e-10	m3 · mol-1
sackurTetrode		-1.164870823	-
secondRadiation	c2	1.438777013e-2	m · K
stefanBoltzmann	σ	5.67037321e-8	W · m-2 · K-4
wienDisplacement	b	2.897772126e-3	m · K

Adopted Values

Name	Symbol	Value	Unit
molarMass	Mu	1e-3	kg · mol-1
molarMassC12	M(12C)	1.2e-2	kg · mol-1
gravity	gn	9.80665	m · s-2
atm	atm	101325	Pa

Natural Units

Name	Symbol	Value	Unit
planckLength	lP	1.61619997e-35	m
planckMass	mP	2.1765113e-8	kg
planckTime	tP	5.3910632e-44	s
planckCharge	qP	1.87554595641e-18	C
planckTemperature	TP	1.41683385e+32	K

Dimension Manager

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