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PROCESSING TABULAR DATA

processing tabular data

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processing tabular data. Look at Google Earth Image. Look at Google Earth Image. Converting XY Table into Point Feature Class. Get longitude (X) and Latitude (Y) from Google Earth. longitude (X) and Latitude (Y) from Google Earth Save in Excel Convert in Decimal Degree format - PowerPoint PPT Presentation

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Page 1: processing tabular data

PROCESSING TABULAR DATA

Page 2: processing tabular data

Look at Google Earth Image

Page 3: processing tabular data

Look at Google Earth Image

Page 4: processing tabular data

Converting XY Table into Point Feature Class Get longitude (X) and Latitude (Y) from Google Earth

Page 5: processing tabular data

longitude (X) and Latitude (Y) from Google Earth

Save in Excel Convert in Decimal Degree format Add Excel worksheet in ArcMap Add Data > Add XY Data (geographic

coordinate system, WGS 1984) Select a coordinate system for the data Points will be drawn as an event theme in

ArcMap

Page 6: processing tabular data

Convert the event theme to a shapefile or geodatabase feature class

Right-click the file name, select Data > Export Data

Points can be exported to a geodatabase feature class or to a shapefile

Re-project to the UTM coordinate system

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Quiz Re-project to the UTM coordinate system

Page 8: processing tabular data

Georeferencing Save Google Earth Image (jpeg) Select Ground Control Points (GCP) At least 3 points are required for Affine

(1st Order polynomial transformation) Add Georeferencing tool bar Apply ‘Fit to Display’ on the image Add GCPs Update Georeferencing when satisfied Rectify for permanent transformation