Surface Extrema
Maxima
mountain peak or summit or top
ridge
plateau, high plane
Minima
deep, hole, depression, hollow
valley
plain, low plane
Example Earth
planes with elevation of their kind under and over water level
having ranges and abysses as borders, depressions and heights as land marks
Surface Survey
Assuming a net of measure points all over the globe, we can connect each point with it’s nearest neighbours by arrows, which direct down hill, the direction of the rain fall water flow.
The more points we set, the more accurate our model of peaks, ridges, valleys and hollows will become.
Arrow Cross
maximum: all arrows direct away
minimum: all arrows meet
saddle point: two opposite arrows meet and the orthogonal arrows direct away, a valley crossing a ridge?
ridge point:
valley point:
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Published by Uwe J Schweitzer
Jahwist JerusaDiLemma Legislator, 1914 World Wide War Veteran, Hang Man Partisan, Demos Critic and Poly Topia Duke. Zsabaoth Observer, Stratos Think Tank and Gog Refugee. Make Psalm 87 front page real not fantasy! Higher Jerusalem or Deeper Hades! Nie wieder allein herr schaft eines einzigen staates oder stammes, nie wieder nur eine einzige partei, religion oder sippe! Weniger Christen Union, weniger Welt Kirche und weniger Judaismus sind mehr wert! Nie wieder mit 15 verbrechen gegen mensch heit und mensch lich keit am hals unter gehen oder sterben! A Gog supreme false prophet insults and denies my official religion "Ohne Angaben, gemeinschaftslos, keiner Religionsgemeinschaft angehörig"! and most religions and parties do not care! We will see.
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