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Challenge #161: Triangles, Triangles, Triangles

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8 - Asteroid

@JoeM, @CharlieS

 

Interesting Challenge!

 

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8 - Asteroid

My solution. Took much longer than usual to solve: I had the right picture but with 540 triangles. Had to read others' comments to come up with the right final filer. 

 

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challenge 161 solution Eleonora Nazander.JPG
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11 - Bolide
11 - Bolide

Here's my solution:

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Challenge 161.PNG
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14 - Magnetar
14 - Magnetar
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Took a minute to think through how to get rid of the duplicate triangles that had all the same points but in a different order.

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12 - Quasar

Fun challenge. I got 540 triangles, probably because some very thin triangles should be counted as collinear.

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9 - Comet

Interesting challenge!

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12 - Quasar

My solution is oh so very long and clunky, nowhere near as elegant as @TerryT 's solution...

 

I also went with looking at direction between the points and thus ended up with an additional 3 tiny triangles.

 

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Challenge #161.PNG
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8 - Asteroid

I took the non-colinear points to mean no points of the triangle share a lat/long - so I ended up with 184 unique triangles, kind of mesmerizing.  

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7 - Meteor
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challenge_166_start_Aster.png

I used "No equal degree of line" rule in ruling out col-linear dots and ended up with 535 triangles.

I suppose it's the spatial projection issue and this is within acceptance range?

 

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Alteryx Certified Partner

Here's my solution

 

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Screenshot 2019-06-23 at 19.06.06.png