DRAWING UP OF FIREWORKS VIEWING AREA MAP
Tosio KOIZUMI
Dpt.of Civil Eng., Chiba Institute of Technology
2-17-1,Tsudanuma, Narashino-shi, Chiba 275,Japan
Kunihiko ONO
Chuo Mapping Co,Ltd,Japan
Hideaki KAWASAKI
Tokyo Metropolitan Government, Japan
Commission V, Working Group 2
KEY WORDS : Cartography, CAD, Information, Photography, Close-Range, Thematic Mapping, Fireworks
Abstract :
The objective of this study is to draw up a fireworks viewing area map. This map shows area where fireworks can be
seen well. The technical term “fireworks viewing area map” is first used in this paper. On drawing up the maps,
aerial photographs are taken from a height over the spot for fireworks by a kite ballon camera system. The area
from where fireworks can be seen well is the same area taken by aerial photography. The paper draws up the
fireworks viewing area map of Narasino city. Accuracy of the map was checked by some students during the
exhibition of fireworks. The fireworks viewing area map measures 40cm by 30cm and has multicolor printing.
1. Introduction
Fireworks were introduced into Japan with fire
techniques in general by Netherlander or Portuguese in
the Tensho era (from 1573 to 1592). Fireworks of the
Sumidagawa River in Tokyo, so-called fireworks of
Ryogoku have been continued for about 260 years since
the Edo era until today excluding the time of
emergency, as a downtown summer event. The start of
this event was in Kyoho 17th (1732) under the
goverment of the 8th Shogun of Tokugawa Shogunate,
Yoshimune Tokugawa. Because in the previous year of
the start, there occurred a great famine of Kyoho all
over Japan, plagues were prevalent and there were
many fires around the same time, fireworks were let off
around the Ryogoku bridge at the eve of the opening of
the Sumidagawa River as an event to sweep evil spirits
away by light and sounda. Since then, fireworks of
Ryogoku have become a feature of Edo as an evening
festival of the opening of the river. The river opening
means to open the Sumidagawa River, which is used for
traffic and transportation, for citizens to enjoy the
evening cool during summer. From the edo era,
fireworks of Ryogoku have increased their
magnificence year after year, and splendid fireworks
worked out elaborately by producers were praised by
viewers with shouts of “Kagiya” and “Tamaya” (names
of producers), just as a remarkable attraction of Edo.
Set fireworks were devised in various ways, and in the
Meiji era (from 1868) blue, yellow and other colors were
applied anew to fireworks to have made them colorful
which had been limited till then to red and white ones.
Fireworks are originally a useless thing, into which one
ivests an immense sum of money to see momentary
beauty, but doing-nothing and uselessness of them lead
to human pleasure to live. And the spread of the dark
sky after the end of fireworks may give sensible people
a feeling of a plenty of sadness after the climax of
amusement. Other than around the Sumidagawa River,
fireworks are set off also in Senju, Shibamata and
around the Tamagawa River in Tokyo and give
pleasure to firework fans. Similarly, in various local
cities, large-scale firework events are held during
summer, and several tens of thousands of spectators
gather there . People gathering in a firework event
drop in night stalls and enjoy a stroll in summer
evening with their families and colleagues. Fireworks
are indeed a routine event of Japanese ordinary people.
304
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996
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