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Geo-referencing & Digitizing Of Map Using ArcGIS

E-mail: admin@perisian-gis.com

CONTENTS

 

1.0         Introduction

 

2.0        Converting Scanned Map To GIS Database

2.1        Enter The Right Coordinate System

2.1.1     Start ArcCatalog and Set A Connection Folder

2.1.2     Display Control Point Attributes Data From CP.dbf File

2.1.3     Display Graphic and Coordinate System Used Of Scanned Image

2.1.4     Changing The Spatial Reference Of Scanned Map From Unknown

2.1.5     Image Registration

 

2.2        Select Features To Be Map

 

2.3        Model The Data Into Point, Line or Polygon

 

2.4        GIS Data Model & Data Structure

 

2.5        Digitizing Process

2.5.1     Create New Layer/Theme Using ArcEditor

2.5.2     Change Layer Symbol by Using Symbol Selector Properties

2.5.3      Editing Map Layer Using ArcMap

2.5.4      Result From The Digitizing Process

2.5.4.1   Road_Line Layer (Red Color)

2.5.4.2   Building_polygon Layer

2.5.4.3   Lot_polygon Layer

2.5.4.4   ReservedArea_Polygon Layer

2.5.4.5   ResidentialBDY_polygon Layer

2.5.4.6   TraficLight_point Layer

2.5.4.7   FireHydrant_point Layer

 

2.6        Develop Relevant Attribute (database) For Each Layer / Theme

2.6.1      Add Field Name For Each Layer

2.6.2      Attribute Data Entry

2.6.3     Results Captured From Attribute Data Entry Process For Each Layer

2.6.3.1   Road_line Layer

2.6.3.2   Traffic_Lignt_point Layer

2.6.3.3   Building_poly Layer

2.6.3.4   FireHydrant_point Layer 

2.6.3.5   Lot_poly Layer

2.6.3.6   ReservedArea_polygon Layer

2.6.3.7   ResidentialBDY_polygon

   

3.0       Join Attribut Table Of Layer With External DBF Table

3.1       Step To Join Attribute Tables

3.2       Output Captured From Join Attribute Table

 

 

4.0       Import A CAD Drawing

4.1       Select and Extract The Building Features

4.2       Output Captured From CAD File