Coordinate Systems Geographic Coordinate Systems This is an archive of a previous version of the ArcGIS REST API. The current version can be found at http://resources.arcgis.com/en/help/arcgis-rest-api/. Well-known ID Name 4001 GCS_Airy_1830 GEOGCS["…

Well-Known ID 与对应的坐标系  地理坐标系 Well-known ID Name Well-known text 3819 GCS_HD1909 GEOGCS["GCS_HD1909",DATUM["D_Hungarian_Datum_1909",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["…

Coordinate Systems Projected Coordinate Systems This is an archive of a previous version of the ArcGIS REST API. The current version can be found at http://resources.arcgis.com/en/help/arcgis-rest-api/. Well-known ID Name 2000 Anguilla_1957_British_W…

坐标系 Coordinate systems 全息的核心是,全息应用可以在真实世界中放置全息图形并使得它们看起来和听起来像真实的物体.这涉及到了物体在真实世界中的定位和方向的确定,这对用户来说很重要.当推断全息图像或者其他任何几何体的位置和方向时,例如凝视射线或者手的方位,HoloLens使用多种坐标系来表示几何体. 空间坐标系 Spatial coordinate systems 所有的3D图形应用都采用笛卡尔空间坐标系来推断物体在他们渲染出的虚拟世界中的方位.这种坐标系使用3个互相垂直的轴来…

Projected coordinate systems Well-known ID Name Well-known text 2000 Anguilla_1957_British_West_Indies_Grid PROJCS["Anguilla_1957_British_West_Indies_Grid",GEOGCS["GCS_Anguilla_1957",DATUM["D_Anguilla_1957",SPHEROID["Cla…

From: https://arnaudceol.wordpress.com/2014/09/18/chromosome-coordinate-systems-0-based-1-based/ I’ve had hard time figuring out that different website and file formats are using different systems to represent genome coordinate. Basically, the bases…

ansys 中的坐标系 整体和局部坐标系(主要在建模中涉及) 整体坐标系是以你建模的整个建筑为一体,来确定坐标系的.比如你建一个矩形平面的建筑,整体坐标系一般默认水平方向为X轴,竖直方向为Y轴,以垂直图面的方向为Z轴.局部坐标系是以单个构件为概念的设置的.比如说对一个工字形的钢柱,局部坐标系的X轴通常为这个截面的强轴方向,对于工字形柱来说一般就是与腹板垂直的方向:其Y轴为截面的弱轴方向,对于工字形柱来说一般就是与腹板平行的方向:Z轴对于梁柱等杆系构件来说一般是沿杆件的长度方向,对于板构件来说一般…

ArcGIS中的北京54和西安80投影坐标系详解 1.首先理解地理坐标系(Geographic coordinate system),Geographic coordinate system直译为地理坐标系统,是以经纬度为地图的存储单位的.很明显,Geographic coordinate system是球面坐标系统.我们要将地球上的数字化信息存放到球面坐标系统上,如何进行操作呢?地球是一个不规则的椭球,如何将数据信息以科学的方法存放到椭球上?这必然要求我们找到这样的一个椭球体.这样的椭球体具有…

Geotransformation 地理变换 The Abridged Molodensky transformation is a three parameter transformation三参 that converts between two geographic coordinate systems (datums)两个基准面. The parameters are three translations in meters. The translation values are in…

ArcGIS Developer Help  (Geometry)     esriSRGeoCS3Type Constants More available geographic coordinate systems. Constant Value Description esriSRGeoCS_Albanian1987 4191 Albanian 1987. esriSRGeoCS_Ammassalik1958 4196 Ammassalik 1958. esriSRGeoCS_Autral…