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Questions - geometry

Skew Lines Midpoint from 4 points?

I'm trying to understand the basics underlying a piece of source code I was given to use. It works, this is proven. I'm just trying to wrap my head around the why of it well enough that I could do i...
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William McMillan

matrix

vector

geometry

Votes: 0

Answers: 1

Latest Answer

The shortest segment between two skew lines in 3D must be perpendicular to both (perpendicular projection is the shortest one). So we have to get two points A and B that fulfill the next conditions: A...
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MBo

Polytope, Python - find extreme points

I need to find a list of all the extreme points of a polytope given by a matrix relation Ax <= b, with x being non-negative. I know that 100% of the time, the polytope is non degenerate. The first ...
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Qise

python

geometry

mathematical-optimization

Votes: 0

Answers: 1

Latest Answer

Your question is not clear (cf my comment) but you should use pycddlib. I tried and I got something close to your expectation: import numpy as np import cdd as pcdd A = np.array([[0,1,0,1,0], [0,0,1,...
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St&#233;phane Laurent

Error inserting into SQL Server geometry field using PHP driver

Trying to update a geometry data type in SQL Server using PHP with the SQL Server driver. No error with the following code in SQL Server Mgmt Studio: update tbladdressorg set location = Geography::Poi...
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Charlie

php

sql-server

geometry

Votes: 0

Answers: 1

Latest Answer

The issue was not with the code above. There was a complex set of rules and obscure object instances that was difficult to follow. SOLID is religiously followed which made it difficult to actually see...
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Charlie

How to use LookRotation to rotate an object based on hand positions?

I'm creating an interaction system for a VR game and I'm struggling with two hand interactions. I'm using the Quaternion.LookRotation() method to generate the rotation of the grabbed object based on t...
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Wojtek Wencel

c#

unity-game-engine

geometry

quaternions

Votes: 0

Answers: 1

Latest Answer

You can calculate the delta rotations of the hands and apply it to the "base up" of the object (the new up if we only take into account the change in position of hands...which will of course...
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Ruzihm

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