Define a location of a non-point object

  • Context: High School 
  • Thread starter Thread starter Quarlep
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Discussion Overview

The discussion revolves around the challenge of defining the location of a non-point object, specifically an extended object referred to as a segment. Participants explore the implications of using coordinates, which are typically associated with points, to describe such objects in space.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that a segment, being non-point-like, cannot be adequately described by a single point coordinate system.
  • Another participant proposes that more than three coordinates are necessary to fully describe the position of an extended object.
  • A different viewpoint indicates that at least two points are required to conceptualize a segment.
  • It is noted that the purpose of assigning coordinates can influence how one should represent an extended object, with different applications prioritizing different aspects of the object's location.
  • Examples are provided, such as the importance of the center of gravity for orbital calculations versus the extremities for collision avoidance in crowded environments.

Areas of Agreement / Disagreement

Participants express differing views on how to represent the location of a non-point object, indicating that multiple competing perspectives remain without a consensus.

Contextual Notes

The discussion highlights the dependence on the specific application and purpose for which the coordinates are being assigned, suggesting that assumptions about the object's representation may vary based on context.

Quarlep
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Lets suppose we have a object which its a not a point.Lets call it a segment which is 1 meter.If we want to locate this object in space we need to use coordinates but coordinate is a point.So I think point cannot describe a segment than how I can show it.
Thanks
 
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You need more numbers to describe the position of an extended object. (5, not 3)
 
You need at least 2 points to think of a segment.
 
It depends on your purpose of assigning coordinates.

For some applications, perhaps calculating orbits, the coordinate of the center of gravity is most important. In others applications, such as collision avoidance, the coordinates of extremities is most important.

Think of an airplane flying in the sky versus an airplane navigating on the ground at a crowded airport.
 
ok thanks
 

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