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[data models]
是以一系列大小相等的像元来定义空间的空间数据模型,其中的数据按像元的行与列排列,整个模型由单个或多个波段(图层)构成。 所有像元都包含属性值和位置坐标。 栅格结构与矢量结构不同,前者是以矩阵序列的形式包含坐标,而后者是显式存储坐标。 具有相同值的像元组表示同一类型的地理要素。
相关术语
aliasing
autovectorization
barrier
bilinear interpolation
bit depth
cell
cell selection
class
continued raster
cubic convolution
data source
DC DRG
digital image
discrete raster
enhancement
ESRI Grid
filter
foreground
geometric transformation
geoprocessing
global analysis
grid stack
hole
image
image coordinate
image data
image space
lattice
local analysis
majority resampling
make permanent
managed raster catalog
matrix
mosaic
nearest neighbor resampling
NoData
pixel pyramid
process chain
quadtree
Raster Calculator
raster catalog
raster cleanup
raster data model
raster dataset
raster dataset band
raster intersection
raster layer
raster postprocessing
raster preprocessing
raster process definition file
raster statistics
raster tracing
rasterization
rasterized feature layer
raw
RPF
shaded relief image
snap raster
stretch
surface mode
tiling
unmanaged raster catalog
vector
vector data model
vectorization settings
Vectorization Trace tool
weighted overlay
zonal analysis
zone
z-tolerance