GMT 入门
GMT 实例
GMT 进阶
- 基础知识
- 表数据
- 网格文件
- 颜色表 CPT
- 标准选项
- 地图投影
- -JX: Linear, logarithmic, power, and time
- -JP: Polar/Cylindrical
- -JA: Lambert azimuthal equal area
- -JB: Albers conic equal area
- -JC: Cassini cylindrical
- -JCyl_stere: Cylindrical stereographic
- -JD: Equidistant conic
- -JE: Azimuthal equidistant
- -JF: Azimuthal gnomonic
- -JG: Azimuthal orthographic/General perspective
- -JH: Hammer equal area
- -JI: Sinusoidal equal area
- -JJ: Miller cylindrical
- -JK: Eckert equal area
- -JL: Lambert conic conformal
- -JM: Mercator cylindrical
- -JN: Robinson
- -JO: Oblique Mercator
- -JPoly: (American) polyconic
- -JQ: Equidistant cylindrical
- -JR: Winkel Tripel
- -JS: General stereographic
- -JT: Transverse Mercator
- -JU: Universal Transverse Mercator (UTM)
- -JV: Van der Grinten
- -JW: Mollweide
- -JY: Cylindrical equal area
- 配置参数
- 地学数据集
- 中国地理空间数据集
- 中文支持
- API
- 模块手册
- basemap
- begin
- clear
- clip
- coast
- colorbar
- contour
- coupe
- end
- figure
- filter1d
- fitcircle
- gmt
- gmt-config
- gmtbinstats
- gmtconnect
- gmtdefaults
- gmtget
- gmtinfo
- gmtlogo
- gmtmath
- gmtselect
- gmtset
- gmtsimplify
- gmtspatial
- gmtsplit
- gmtvector
- gmtwhich
- grd2cpt
- grd2xyz
- grdblend
- grdclip
- grdcontour
- grdconvert
- grdcut
- grdedit
- grdfill
- grdimage
- grdinfo
- grdlandmask
- grdmask
- grdmath
- grdpaste
- grdproject
- grdsample
- grdtrack
- grdtrend
- grdvector
- grdview
- grdvolume
- gshhg
- histogram
- image
- img2google
- img2grd
- kml2gmt
- makecpt
- mapproject
- mask
- meca
- nearneighbor
- plot
- polar
- project
- psconvert
- rose
- sac
- sample1d
- solar
- spectrum1d
- sph2grd
- sphdistance
- sphinterpolate
- sphtriangulate
- surface
- ternary
- text
- triangiulate
- velo
- wiggle
- x2sys_binlist
- x2sys_cross
- x2sys_datalist
- x2sys_get
- x2sys_init
- x2sys_list
- x2sys_merge
- x2sys_put
- x2sys_report
- x2sys_solve
- xyz2grd
- mgd77manage
- mgd77convert
- mgd77header
- mgd77info
- mgd77list
- mgd77magref
- mgd77path
- mgd77sniffer
- mgd77track
- legend
- docs
- subplot
- inset
附录
其他
文章来源于网络收集而来，版权归原创者所有，如有侵权请及时联系！
-JPoly: (American) polyconic
维基链接：https://en.wikipedia.org/wiki/Polyconic_projection
(American) polyconic（多圆锥投影）既不是等面积也不是保角投影，沿着中心经线处畸变为 0。所有纬线的比例尺都是真实的，但其余经线则存在畸变。
gmt coast -R-180/-20/0/90 -JPoly/10c -Bx30g10 -By10g10 -Dc -A1000 -Glightgray -Wthinnest -png GMT_polyconic
多圆锥投影
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