Map and Cross Section Image
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.
Exercises
Import
Exercise
Import images
- Read about 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.
Geo-referencing
Exercise
Geo-reference the map
- Read about 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.
Vertical calibration
Exercise
Calibrate cross section
- Read about Vertical Image Calibration in 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.