Knowledge Base

Global Mapper - Beginners' Resources

Users’ Manual

The Global Mapper User’s Manual is available here.


YouTube Channel

Getting Started with Global Mapper

Working with Terrains in Global Mapper

  • Accessing Terrain Data
  • Terrain creation
  • Contour generation
  • Line-of-sight analysis
  • Viewshed analysis
  • Volume calculation
  • Terrain flattening
  • Watershed modeling
  • Slope analysis


The Global Mapper website provides a tutorial for beginners. Registration is required, but the tutorial is free and only requires access to a license.

The contents of the tutorial are listed below:

Section 1 - Introduction to the principles GIS

  • Importing/accessing data
  • Creating and editing vector features
  • Adjusting the appearance of vector features
  • Working with raster layers
  • Querying and filtering data
  • The basics of spatial analysis
  • Methods for sharing data

Section 2 - Generating a terrain surface and creating contours using LiDAR data

  • LiDAR importing
  • LiDAR editing/processing
  • Data visualization
  • Creating a gridded surface model
  • 3D modeling
  • Shader options
  • Contour generation

Section 3 - Creating a thematic map

  • Creating and managing attribute data
  • Joining attributes from an external file
  • Performing a calculation to create new attributes
  • Applying a shading pattern to reflect recurring text values
  • Applying a shading pattern to reflect numeric ranges
  • Designing page layout elements including a legend and map title
  • Printing the map or exporting to a geospatial PDF

Section 4 - Rectifying an image file

  • Importing a base map for rectification
  • Using field-collected ground control for rectification
  • Modifying the projection
  • Choosing a rectification method
  • Adjusting the properties of the rectified map

Section 5 - Extracting vector features from a raster layer

  • Vectorizing a specific color from a topographic map
  • Vectorizing a range of colors to delineate features in from and aerial image
  • Delineating an elevation range from a digital elevation model
  • Outlining areas within a slope angle threshold

Section 6 - Creating a watershed model

  • Creating a drainage network from a digital elevation model
  • Outlining the watershed boundaries for a defined area
  • Adjusting the watershed boundaries based on area and flow variables
  • Creating a water drop analysis model
  • Delineating the catchment area for a defined location
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Last modified: 2019-12-27  16:36:35  America/Denver