Allan F.

06/06/19

get closest point to a line?

I'd like to have a straight forward C# function to get a closest point (from a point P) to a line-segment, AB. An abstract function may look like this. I've search through SO but not found a usable... more

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Autodesk Maya

05/01/19

How significant are the differences between different versions of Maya?

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05/01/19

Given 3 pts, how do I calculate the normal vector?

Given three 3D points (A,B, & C) how do I calculate the normal vector? The three points define a plane and I want the vector perpendicular to this plane. Can I get sample C# code that... more

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Computer Programming

04/29/19

What is a magic number, and why is it bad?

What is a magic number?Why should it be avoided?Are there cases where it's appropriate?

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Computer Programming

04/28/19

Given an integer, how do I find the next largest power of two using bit-twiddling?

If I have a integer number `n`, how can I find the next number `k > n` such that `k = 2^i`, with some `i` element of `N` by bitwise shifting or logic.Example: If I have `n = 123`, how can I find... more

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Adobe Photoshop Photoshop Software

04/26/19

How do I select an area with an exact width and height in Photoshop?

I want to select part of a photo I'm editting in Photoshop. This area is exactly 340 x 210. How do I do that with say the select tool?

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Adobe Photoshop Gradient Graphic Design

04/26/19

Photoshop CS5, how to create a layer mask from a layer?

I have a layer in Photoshop that I'd like to use as a layer mask, is this at all possible?It's a black & white layer with some gradients that I would like to apply to another layer that's a... more

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Graphic Design Image Processing

04/26/19