#!F-adobe-helvetica-medium-r-normal--18*
#!N
#!CDarkGreen #!N #!Rall632 Example 8. Two-dimensional Grid, Cell-centered
Data #!N #!EC #!N #!N This example describes a regular 2-dimensional
grid. In this example, unlike other examples presented here, the data
are dependent on (in a one-to-one correspondence with) the "connections" rather
than the "positions" component. Data Explorer interprets this as implying that
the data value within each connection element is the constant given
by the corresponding data value. For example, if you used AutoColor
and rendered this Field, you would see blocks of constant color.
#!N #!N You can use the following script to render this
Object: #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N data = Import("/usr/lpp/samples/data/datadepconnections.dx", format="dx"); #!N
colored = AutoColor(data); #!N camera = AutoCamera(colored); #!N Display(colored, camera); #!EF
#!N #!N #!EC #!N #!N The data file is located in
#!F-adobe-times-bold-r-normal--18* /usr/lpp/samples/data/datadepconnections.dx #!EF . #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N # object
1 is the regular positions. The grid is 4x4. The origin
is #!N # at [0 0], and the deltas are 1
in the first dimension, and #!N # 2 in the second
dimension #!N object 1 class gridpositions counts 4 4 #!N origin
TAB 0 TAB 0 #!N delta TAB 1 TAB 0 #!N
delta TAB 0 TAB 2 #!EF #!N #!N #!EC #!CForestGreen #!N
#!N #!F-adobe-courier-bold-r-normal--18* #!N # object 2 is the regular connections, quads,
connecting the positions #!N object 2 class gridconnections counts 4 4
#!N #!N # object 3 is the data, which are in
a one-to-one correspondence with #!N # the connections ("dep" on connections)
#!N object 3 class array type float rank 0 items 9
data follows #!T,61,129,216,294 #!N TAB 1 TAB 3.4 TAB 5 TAB
2 #!N TAB 3.2 TAB 5.5 TAB 0.3 TAB 4.5 #!N
TAB 4.0 #!N attribute "dep" string "connections" #!N #!N # A
field is created with three components: "positions", "connections", #!N # and
"data" #!N object "regular positions regular connections" class field #!N component
"positions" value 1 #!N component "connections" value 2 #!N component "data"
value 3 #!N #!N end #!EF #!N #!N #!EC #!N #!N
#!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lall633,dxall634 h Example 9. Faces, Loops, and Edges #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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