- Now that we know several ways that we can create selections, it's time to explore what we can do with our selected data. The typical way that we save a selection is to copy it to a new layer. Now, I still have the selection that we made in the last movie. It includes all the transportation features that happen within King County. In order to export this as it's own layer, what I can do is right-click on the transportation layer here, and choose Selection, and then Create Layer From Selected Features. This will add a new selection feature up here to the top of my layer stack. Now I can go ahead and turn off the transportation layer here, and go ahead and choose to deselect all of my features here.
Now if we zoom into King County, I can see just the roads that intersect with that particular area. At this point, it's probably a good idea to rename the layer. Instead of Washington Transportation selection, I'll click on it, pause, and then click again, and I'll change it to King County Transportation. When creating new data layers in this fashion, it's important to note that we're not actually saving new data files to our disk. We're simply creating a small instruction set on how to pull out the features from the larger original data set. The original data set remains unchanged. Now, if we wanted to export this sub-selection of transportation roads within King County to it's own data set, what I could do is right-click on the layer here, and go down to Data, and then Export Data.
This will allow me to export just this data set to it's own feature class. Let's go ahead and say cancel. Once our features have been parsed out through the various selection methods, creating a new layer from the data allows you to stylize or present the features in unique ways. Creating data layers from a selection is also an easy way to filter out overly complex data sets in order to clarify the message of our maps.
Author
Released
10/22/2014- Getting to know the ArcMap interface
- Geocoding addresses
- Measuring distances
- Adding and importing data
- Labeling and adding graphs
- Editing layer properties
- Seeing multiple views
- Making selections
- Exploring geospatial data with ArcCatalog
- Working with vector and raster data
- Styling the map
- Adding your own data
- Using the ModelBuilder
- Adding a legend and annotations
Skill Level Intermediate
Duration
Views
Related Courses
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Real-World GIS
with Jason VanHorn2h 43m Intermediate
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Introduction
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Welcome59s
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Using the exercise files1m 23s
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Working with GIS data files3m 19s
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1. Getting Started with a Geographic Information System (GIS)
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What is GIS?4m 48s
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Changing the map's scale5m 19s
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Working with bookmarks6m 55s
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Geocoding addresses5m 46s
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Measuring distances3m 5s
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2. Organizing the Map
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Adding data to the map6m 5s
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Labeling features7m 25s
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Adding graphs2m 32s
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3. Working with Data Layers
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Editing layer properties2m 53s
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Identifying features3m 39s
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4. Seeing Multiple Views of the Map
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5. Selecting Map Elements
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Making selections3m 50s
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Selecting elements with SQL5m 17s
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6. Exploring Geospatial Data
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Exploring the Catalog window6m 52s
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Introducing ArcCatalog7m 26s
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Connecting to data sources2m 51s
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7. Geoprocessing Tasks
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Exploring ArcToolbox7m 13s
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Creating buffers4m 9s
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8. Working with Vector Data
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Exploring vector data2m 39s
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Using GPS tracks5m 11s
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9. Working with Raster Data
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Understanding raster data4m 29s
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Working with air photos3m 17s
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Merging rasters3m 47s
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Using the Raster Calculator4m 44s
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10. Styling the Map
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Changing point symbology5m 18s
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Changing line symbology5m 39s
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Changing polygon symbology3m 54s
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Classifying data3m 56s
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Changing raster symbology4m 39s
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Creating layer files2m 29s
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11. Creating Your Own Data
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Georeferencing an image7m 26s
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Joining data2m 54s
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Preserving topology4m 11s
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12. Exploring the ModelBuilder
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Running toolbox models6m 12s
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Sharing a model4m 29s
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13. Finishing the Map
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Working with map layouts6m 14s
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Using the Draw toolbar4m 22s
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Adding map annotations1m 45s
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Creating a legend6m 27s
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Conclusion
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Next steps1m 21s
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Video: Viewing selections as independent layers