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Message #41175
Re: VECTOR2I and VECTOR2D
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To:
hauptmech <hauptmech@xxxxxxxxx>, <kicad-developers@xxxxxxxxxxxxxxxxxxx>
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From:
Tomasz Wlostowski <tomasz.wlostowski@xxxxxxx>
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Date:
Sat, 22 Jun 2019 17:57:25 +0200
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In-reply-to:
<350f5db2-06c8-5242-359d-93379f59c9ce@gmail.com>
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On 22/06/2019 16:32, hauptmech wrote:
> After reading through vector2d.h and matrix3x3.h, I agree with Reece
> more or less. There is ambiguity in the word vector, between math
> vectors, spatial vectors, and c++ vectors. Context implies that VECTOR2
> refers math vectors, but then MATRIX3x3 * VECTOR2 is allowed which
> violates expectations. POINT2 and SE2 or HOMOGENEOUS2 would set
> expectations better.
Actually, the name MATRIX3x3 name is a bit misleading - it actually
represents a 2D affine transform. Anybody willing to send a patch
renaming it to XFORM2D or something more descriptive? :)
Tom
References