STL lập trình khái lược trong C++ part 6 potx
Lập trình đồ họa trong C (phần 6) potx
...
>
0
tE,
>:
E,),
<
0
IE,
r
E~),
>
o
E6
JV3
(E,
Y
E,),
>
0
(E6
>.
E,),
.
0
''2
Figure
6- 14
Identifying
a
concave polygon by calculating cross ...
X
Es
=
(0,0,
-2)
E3
x
E4
=
(0,O.
2),
E,
X
E5
=
(0,0 ,6)
E5
x
E,
=
(0,0 ,6) .
E,
x
E,
=
(O,O, 2)
Figure 6- 15
Since the cross product Ez
X
E3
has a negative
2...
Lập trình đồ họa trong C (phần 2) potx
... aenerated
in
sequence
Figure
2- 46
The
Summasketch
111
desktop
tablet
with
a
16- button
hand cursor.
(Courtesy of Surnmgraphin Corporalion.)
Stclii
2 -6
Hard-Copy
Devices
Figure
2-59 ...
111~lmmmts.)
a resolution of
360
dok per inch is shown in Fig.
2 -60 ,
and examples of larger
high-resolution ink-jet printer/plotters
are
shown in Fig.
2 -61 .
An
electros...
Lập trình đồ họa trong C (phần 11) potx
...
50
62
45
13 18
38
46 54
37
25
17
26
Figure
11-43
One
possible distribution scheme
for dividing the intensity array into
64
dot-diffusion classes, numbered
from
0
through
63 . ... errordiffusion parameters that produces fairly good
re-
sults is
(a,
p,
y,
8)
=
(7/ 16, 3/ 16, 5/ 16, 1/ 16) .
Figure
14-42
illustrates the error
distribution using these paramete...