WKT OGC COORDINATE SYSTEM: COMPD_CS["NAD83(2011) / UTM zone 12N + NAVD88 height - Geoid18 (metre)",PROJCS["NAD83(2011) / UTM zone 12N",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1116"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-111],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6341"]],VERT_CS["NAVD88 height - Geoid18 (metre)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5703"]]] 这是什么意思
时间: 2023-08-31 21:12:19 浏览: 79
这是一个 WKT(Well-Known Text)格式的 OGC(Open Geospatial Consortium)坐标系统描述,描述了一个包含水平坐标系和垂直坐标系的复合坐标系统。水平坐标系是基于 NAD83(2011)椭球体的 UTM(Universal Transverse Mercator)投影,12号带,北半球。垂直坐标系是基于北美垂直基准1988(NAVD88)高程系统和Geoid18大地水准面模型的一个高程坐标系。单位是米。
相关问题
library(sf) > library(sp) > library(raster) > shp <- read_sf("E:/waterconstraint/LoessPlateauRegion/LoessPlateauRegion.shp") > r<-raster("E:/waterconstraint/GIMMS_NDVI/MonthMax/1982-01-01.tif") > crs(shp) [1] "PROJCRS[\"WGS_1984_Albers\",\n BASEGEOGCRS[\"WGS 84\",\n DATUM[\"World Geodetic System 1984\",\n ELLIPSOID[\"WGS 84\",6378137,298.257223563,\n LENGTHUNIT[\"metre\",1]],\n ID[\"EPSG\",6326]],\n PRIMEM[\"Greenwich\",0,\n ANGLEUNIT[\"Degree\",0.0174532925199433]]],\n CONVERSION[\"unnamed\",\n METHOD[\"Albers Equal Area\",\n ID[\"EPSG\",9822]],\n PARAMETER[\"Latitude of false origin\",0,\n ANGLEUNIT[\"Degree\",0.0174532925199433],\n ID[\"EPSG\",8821]],\n PARAMETER[\"Longitude of false origin\",105,\n ANGLEUNIT[\"Degree\",0.0174532925199433],\n ID[\"EPSG\",8822]],\n PARAMETER[\"Latitude of 1st standard parallel\",25,\n ANGLEUNIT[\"Degree\",0.0174532925199433],\n ID[\"EPSG\",8823]],\n PARAMETER[\"Latitude of 2nd standard parallel\",47,\n ANGLEUNIT[\"Degree\",0.0174532925199433],\n ID[\"EPSG\",8824]],\n PARAMETER[\"Easting at false origin\",4000000,\n LENGTHUNIT[\"metre\",1],\n ID[\"EPSG\",8826]],\n PARAMETER[\"Northing at false origin\",0,\n LENGTHUNIT[\"metre\",1],\n ID[\"EPSG\",8827]]],\n CS[Cartesian,2],\n AXIS[\"(E)\",east,\n ORDER[1],\n LENGTHUNIT[\"metre\",1,\n ID[\"EPSG\",9001]]],\n AXIS[\"(N)\",north,\n ORDER[2],\n LENGTHUNIT[\"metre\",1,\n ID[\"EPSG\",9001]]]]" > crs(r) Coordinate Reference System: Deprecated Proj.4 representation: +proj=longlat +datum=WGS84 +no_defs WKT2 2019 representation: GEOGCRS["unknown", DATUM["World Geodetic System 1984", ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ID["EPSG",6326]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8901]], CS[ellipsoidal,2], AXIS["longitude",east, ORDER[1], ANGLEUNIT["degree",0.0174532925199433, ID["EPSG",9122]]], AXIS["latitude",north, ORDER[2], ANGLEUNIT["degree",0.0174532925199433, ID["EPSG",9122]]]] > shp_proj <- st_transform(shp,crs = (r) + r_crop <- crop(r,shp_proj) Error: unexpected symbol in: "shp_proj <- st_transform(shp,crs = (r) r_crop"
根据您所展示的代码,出现了一个错误:在 crop(r,shp_proj) 中有一个意外的符号。我建议您将此行代码改为:r_crop <- crop(r,shp_proj)。此外,这对话似乎涉及到一些 GIS 操作和空间参考系统的知识,您是否需要更详细的解释或其他帮助?
AttributeError: type object 'LineString' has no attribute 'from_wkt'
这个错误通常是由于缺少必要的依赖包或版本不兼容导致的。要解决这个问题,你可以尝试以下几个步骤:
1. 确保你已经安装了正确的依赖包。在这种情况下,你需要安装 Shapely 包。你可以使用以下命令安装 Shapely:
```
pip install Shapely
```
2. 如果你已经安装了 Shapely,但仍然出现错误,可能是因为版本不兼容。尝试升级 Shapely 到最新版本:
```
pip install --upgrade Shapely
```
3. 如果上述步骤仍然无法解决问题,可能是因为其他依赖包的冲突。你可以尝试创建一个新的虚拟环境,并重新安装 Shapely 和其他依赖包。