Chapter1I
troductio
PartⅠ：Expla
atio
ofTerms1GISComputersystemforcapturi
gstori
gqueryi
ga
alyzi
ga
ddisplayi
ggeographicallyrefere
ceddata地理信息系统GIS是用于输入、存储、查询、分析和显示地理参照数据的计算机系统。2Geographicallyrefere
ceddataAlsocalledgeospatialdatadescribebothlocatio
sa
dcharacteristicsofspatialfeatures地理参照数据又称地理空间数据描述空间要素的位置和特征3Attrbutedata：描述空间要素特征的数据4SpatialData：描述空间要素几何特征的数据5Discretefeatures：指观测值不连续的要素，形成分离的实体，并可单个地识别。6Co
ti
uousfeatures：指观测值连续的要素PartⅡ：ShortA
swer1Defi
egeographicallyrefere
ceddata定义地理参照数据Geographicallyrefere
ceddataaredatathatdescribeboththelocatio
sa
dcharacteristicsofspatialfeaturessuchasroadsla
dparcelsa
dvegetatio
sta
dso
theEarth’ssurface2Defi
espatialdataa
dattributedata定义空间数据和属性数据Spatialdatadescribethelocatio
sofspatialfeatureswhichmaybediscreteorco
ti
uousAttributedatadescribethecharacteristicsofspatialfeatures3Explai
thediffere
cebetwee
vectordataa
drasterdata解释矢量数据和栅格数据之间的不同Vectordatausepoi
tsa
dtheirxycoordi
atestoreprese
tspatialfeaturesofpoi
tsli
esa
dareasRasterdatauseagrida
dgridcellstoreprese
tthespatialvariatio
ofafeature4Explai
thediffere
cebetwee
thegeorelatio
aldatamodela
dtheobjectbaseddatamodel解释地理相关数据模型和基于对象数据模型之间的不同Thegeorelatio
aldatamodelusesasplitsystemtostorespatialdataa
dattributedataTheobjectbaseddatamodelstoresspatialdataa
dattributedatai
asi
glesystem5Howdoesdataexploratio
differfromdataa
alysis数据探查与数据分析有何不同
Dataexploratio
i
volvestheactivitiesofexplori
gthege
eraltre
dsi
thedatataki
gacloselookatdatasubsetsa
dfocusi
go
possiblerelatio
shipsbetwee
datasetswhereasdataa
alysisusesGIScomma
dstoperformoperatio
so
data
PartⅢ：Si
glechoice1TorFGISsoftwareiso
lyo
eofthecompo
e
tsofaGIS①True√②False2Whichofthefollowi
gfeaturesisadiscretefeature①Precipitatio
①Precipitatio
②Elevatio
②Elevatio
③Roads√③La
duse④No
eoftheabove④Alloftheabove⑤aa
dbo
ly√3Whichofthefollowi
gfeaturesisaco
ti
uousfeature4Vectordataarebettersuitedforreprese
ti
g__________featuresa
drasterdataarebettersuitedforreprese
ti
g__________features①co
ti
uousdiscrete①True√②False②discreteco
ti
uous√5TorFO
eca
usebothvectordataa
drasterdatai
aGISproject6Whichofthefollowi
gstateme
tis
ottrue
1
f①Thegeodatar