Geospatial data comes in a wide variety of formats, from a wider variety of sources. Most data is in the form of point, line, or polygon vector shapes, or raster images.
- [Narrator] You're not going to get very far in your mapping projects, without data. Geospatial data comes in a variety of formats depending on the source and type. But generally can be classified as either vector or raster data. Vector data includes point, line and polygon features. It's an efficient way to store data as only the location of vertex, or corner points of the shape need to be recorder. Vector data is then tied to a data table, that records attributes of each feature that appears in the data set. Raster data stores information as pixels in an image. Aerial and satellite photos are the most obvious types of raster data, but, other continuous surfaces, such as elevation or precipitation data, things that are constantly changing across the ground, are typically stored in a raster format as well.
In a geodatabase, such as the one inside of your ArcGIS Pro project, you can store point, line, polygon or raster data sets. So where does geospatial data come from? Most of the geospatial data that you'll work with comes from local or federal government agencies. In the Unisted States, The US Geological survey, NASA, and the national Oceanic Atmospheric Administration, are big generators of geospatial data, that is made available to the public for free. It's highly likely that your local city and state government generate data as well. And it's typically found by searching their respective websites.
Other repositories of data come from the open source or humanitarian communities. People around the globe add new information to the open street map project daily, and the world bank collects and disseminates information about the global economy. In short, the data for your project is likely our there. You just need to find the agencies that have it. That said, there's no getting around the fact that sometimes, you'll have to create your own data from scratch, and that'll be the topic for the rest of this chapter.
- Creating a new map project
- Adding data sources to the project
- Managing data layers on the map
- Saving a project template
- Drawing new map features
- Querying and extracting features
- Creating geoprocessing models and packages
- Modifying the look and feel of the map through symbology options
- Adding map labels
- Working with 3D scenes
- Developing a map layout
- Sharing the map and data
Skill Level Intermediate
1. Getting Started
2. Establish a New Map Project
3. Work with Data
4. Geoprocessing in ArcGIS Pro
5. Symbolize Features on the Map
6. Add Map Labels
7. Working in Three Dimensions
8. Develop a Map Layout
9. Share Your Work
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