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fireworks device. For this question, any cases where a user did the experiment alone
were marked as a non-respondent.
Table 1.
The questions of questionnaire
Question items
Point
No.1
81
79
8
2
No.1
Do you think that the performance of HANASUI is beautiful, or not?
5
4
3
2
1
No.2
52
75
21
20
2
Could you look like the projected contents is emitting from the top of
fireworks device, or not?
Did you think the projected contents on fogscreen was tracking
fireworks device, or not?
No.2
No.3
49
72
31
15
3
No.3
No.4
48
70
31
10
4
No.4
Did the sound of fireworks device make NAHASUI more attractive?
No.5
59
50
20
14
2
No.5
Could you watch the virtual contents projected on fogscreen, or not?
No.6
19
54
64
12
13
0%
20%
40%
60%
80%
100%
No.6
Did the vibration of fireworks make HANASUI more attractive?
Percentage of each point
Fig. 6.
Results of Questionnaire
The procedure was that before the experience, the details of the system were ex-
plained as, “HANASUI is a performance system that uses fog and projectors in a
handheld firework-like device,” along with how to hold the device and the fact that
the usable range of the fog screen is above the hollow central part of the performance
stage. Questionnaire answers were requested after the experience.
4.2
Results
The results of the collected questionnaires are shown in figure 6. It shows the propor-
tional breakdown for each score, with the width of the graph corresponding to 100%.
Free Description.
In relation to the evaluation questions, there were opinions related
to inadequate sound or vibration, such as, “the sound should be louder,” or “I couldn't
feel the vibration.” But on the other hand, there were comments such as, “the sound
was very good,” and “the vibration was wonderful.”
With regard to users' impressions, in addition to the comment, “it was beautiful,”
there were many comments saying, “it was magical.”
Other than that, many users pointed out issues related to the particular positional se-
tup of the fog screen, such as “when the projector light got in my eyes it was blinding.”
Observations.
From question 1, more than 90% of users felt the HANASUI perfor-
mance was beautiful. And with many comments saying it was magical, we can say
that it is established as a form of performance.
From question 2, we can say that many users felt that the visual contents seemed to
be spouted out from the front of the device.
The results of question 3 tell us that many users felt like the visual contents fol-
lowed the front of the handheld fireworks device.
From the results of questions 2 and 3, we can say that we have succeeded in devel-
oping a mobile fog screen.
