Review coordinate systems. Learn the difference between a global and planar coordinate. Review latitude, longitude, and heading.
- [Instructor] Since it might have been a while…since you've studied maps, let's review map coordinates…since this is a critical skill in using…map kit and core location.…Coordinates break the world into a grid.…An example grid is city streets.…Coordinates start with an origin point.…We measure coordinates relative to the origin points…on some kind of grid.…I've use Chicago for an example because there is…a geographical origin point at the intersection…of State and Madison.…The center of that intersection is the address…zero comma zero.…
We use the distance north and south, and the distance…east and west from that origin point…to get a new map coordinate.…North here is an increase along the y-axis.…East is a positive increase along the x-axis.…South and west are decreases along…the y and x-axes respectively.…Chicago addresses use 100 addresses per standard block.…While those blocks maybe cut up by…smaller streets and alleys, you can figure out…where any address is as a coordinate.…
For example, the first deep dish pizza…
- Getting coordinates from the web
- Working with Core Location data types and regions
- Creating a map in 2D, 3D, satellite, and flyover views
- Adding annotations
- Adding overlays
- Finding the current location
- Tracking heading, speed, and region
- Searching for locations
- Requesting and displaying directions
Skill Level Advanced
1. Basic Map and Location Concepts
5. Current Location
6. Heading, Speed, and Regions
Next steps1m 38s
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