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h2. Introduction
Image management and manipulation are part of Geocap's functionality. An _image_ with type *Image Data* has many options under *-> Utilities* as well in the shell command *ima*. A nice image on the screen can be saved as a *Screenshot*.
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h2. Exercises
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h2. Import
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h4. Import images
# Read about [ug:Importing Images] in the main documentation.
# Find an image on internet and import it.
# Create a random surface or use one already generated and map the image on the terrain.
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h2. Geo-referencing
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h4. Geo-reference the map
# Read about [ug:8. Images and Georeferencing] in the main documentation.
# Find an image on internet that is correctly georeferenced.
# Create a random surface for the same coordinate area or find the corresponding etopo2 dataset.
# Drape the image on the terrain.
# Save the image as a *Screenshot*.
# Rename the *Screenshot* and export it.
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h2. Vertical calibration
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h4. Calibrate cross section
# Read about [tut:Vertical Image Calibration] in [tut:General Tutorials].
# Try to replicate that tutorial using your own data.
# Write a summary of your steps and consider if you can make a *workflow* out of it.
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Section
Column
width
70%
Introduction
Image management and manipulation are part of Geocap's functionality. An image with type Image Data has many options under -> Utilities as well in the shell command ima. A nice image on the screen can be saved as a Screenshot.