Документация Engee

Vectors

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Vec(x₁, x₂, ..., xₙ)
Vec((x₁, x₂, ..., xₙ))

A geometric vector in Dim-dimensional space with coordinates in length units (default to meters) for linear algebra.

By default, integer coordinates are converted to float.

A vector can be obtained by subtracting two Point objects.

Examples

A = Point(0.0, 0.0)
B = Point(1.0, 0.0)
v = B - A

# 2D vectors
Vec(1.0, 2.0) # add default units
Vec(1.0m, 2.0m) # double precision as expected
Vec(1f0km, 2f0km) # single precision as expected
Vec(1m, 2m) # integer is converted to float by design

# 3D vectors
Vec(1.0, 2.0, 3.0) # add default units
Vec(1.0m, 2.0m, 3.0m) # double precision as expected
Vec(1f0km, 2f0km, 3f0km) # single precision as expected
Vec(1m, 2m, 3m) # integer is converted to float by design

Notes

  • A Vec is a subtype of StaticVector from StaticArrays.jl