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  HowTo:  Convert Global Positioning System (GPS) points to a State Plane coordinate system

【相关信息】
Article ID: 42847
Software:
ArcGIS for Desktop Advanced 10.1, 10.2, 10.2.1, 10.2.2
ArcGIS for Desktop Standard 10.1, 10.2, 10.2.1, 10.2.2
ArcGIS for Desktop Basic 10.1, 10.2, 10.2.1, 10.2.2
Platforms: N/A

【问题描述】
Instructions provided describe how to convert Global Positioning System (GPS) coordinates to a State Plane coordinate system.
2015-11-11 添加评论
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    【解决方案】
    1. Create a table in a file geodatabase with the field names Latitude and Longitude, with Long Integer as the data type.
    2. Edit the table and enter in the points in decimal degrees.
      Manually convert the degrees-minutes-seconds to decimal degree values using the Field Calculator in ArcMap. Follow the instructions in the following ArcGIS Help document: Converting degrees-minutes-seconds values to decimal degree values
    3. Once the coordinates are entered, navigate to the Table of Contents and right-click the table > Display XY Data.
    4. Select the X Field as Longitude and the Y Field as Latitude from the dropdown menu.
    5. Click the Edit button to select the appropriate geographic coordinate system (WGS 1984 is used for most GPS points), and click OK. This adds a layer to the map named '<geodatabase filename> Events'.
    6. Change the coordinate system of the data frame to the desired State Plane system.
    7. Right-click the added layer and navigate to Data > Export Data.
    8. Select the 'Use the same coordinate system as: the data frame' option, and select the output location. Click OK. The new feature class is added to the map.
    9. Open the attribute table of this new feature class and add a new text field.
    10. Right-click the new field and navigate to Calculate Geometry. If prompted about being outside of an edit session, feel free to proceed or begin an edit session. In the Calculate Geometry window, select the 'X Coordinate of Point' property, and 'Use the coordinate system of the data source' option. Click OK. The State Plane X-coordinates are now in that field.
    11. Repeat Steps 9 and 10 for the Y coordinates.


    【其它相关参考】
    1. Esri Web Help: Adding x,y coordinate data as a layer
    2. Esri Web Help: Creating tables


    【创建及修改时间】
    Created: 7/10/2014

    Last Modified: 8/18/2014
    【原文链接】
    http://support.esri.com/en/kno ... 42847
    回复时间：2015-11-27 00:05:24 0 0
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