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For more practice with Georeferencing, check out our short course: Mapping Imagery. For more information on Georefencing in ArcGIS Pro, check out this help resource: Georeferencing

1. In the Contents pane, right-click HST.jpg then click Zoom to Layer.
2. In the Contents pane, click HST.jpg so that is highlighted in light blue. From the Ribbon, click  the Imagery tab and then click the Georeference button. 
   
   
   
3. Click Add Control Points.
   
   
   
4. Click the top left corner of the HST JPG.
5. Type X : -104.5, Y : 33 and click OK. The x-value is the West coordinate and it is negative because we are in the Western Hemisphere. The y-value is the North coordinate.
6. In the Contents pane, right-click HST and click Zoom to Layer.
7. Repeat steps 5-8 for the bottom right corner of HST, but type X : -103.5, Y : 32. 
8. Repeat steps 5-8 for the bottom left corner of HST but type X : -104.5, Y : 32.
9. Repeat steps 5-8 for the top right corner but type X : -103.5, Y : 33. 
10. From the Georeferencing tab, click Save. 
    
    
    
11. Then click Close Georeference.
    
    
    
12. Above the Ribbon, on the Quick Access toolbar, click the Save button.

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For more practice with Digitizing Features, check out our short course: Creating Vector Data. For more information on digitizing features in ArcGIS Pro, check out this help resource: Creating Features

1. In the Catalog pane, expand the Databases section.
2. Right-click PlayMapping.gdb and select New > Feature Class. 
3. Name it "HSTPoints". 
4. Under the Type drop-down box, select Point.
5. Click Next twice. 
6. In the Spatial Reference section, under the Layers section, select the NAD 1927 projection. 
7. Click Next twice again.
8. Click Finish.
9. If the new feature class did not automatically iadd to your map: From the Catalog pane in the Databases section, expand PlayMappping.gdb. Right-click HSTPoints and select Add to Current Map. 
10. In the Contents pane, right-click HSTPoints and select Attribute Table. 
11. From the top of the attribute table, click the Add Field button. 
    
    
12. A new Fields view table appears. In the third row of the Field Name column, type "Thickness". 
13. Change the Data Type to Short Integer by clicking the drop-down box then selecting Short. 
14. From the Ribbon, in the Fields tab, click the Save button.
15. Close the Fields view table by clicking the X at the top right corner of the table. 
16. From the Ribbon, select the Edit tab.
17. From the Edit tab, in the Features group, click Create. A new pane, Create Features, opens on the right side of the screen.
    
    
    
18. From the Create Features pane, click HSTPoints and select the Point button (first in list).
    
     
19. In the Map View, click to add a point on the topmost left point displayed on the HST.jpg. 
20. In the Attribute Table, a new row has been generated for this newly created point. Click in the Thickness cell for this row and type "7". 
21. Repeat steps 19 and 20 for all points on HST.jpg.
22. From the Edit tab, in the Manage Edits group, click Save. 
23. Click Yes for the 'Save all edits?' pop-up window. 
24. Close the Create Features pane.
25. Close the Attribute Table. 
26. Above the Ribbon, on the Quick Access toolbar, click the Save button.

Interpolation

This sections steps through how to interpolate a raster surface from points using a natural neighbor technique. For more practice with Interpolation, check out our short course: Data Interpolation and Extraction. For more information on Natural Neighbor Interpolation in ArcGIS Pro, check out this tool reference: Natural Neighbor (Spatial Analyst)

1. From the Ribbon, click the Analysis tab.
2. From the Analysis tab, in the Geoprocessing group, click the Tools button. A new pane, Geoprocessing, will appear on the right side of the screen. 
   
   
3. In the Geoprocessing pane, type "Natural Neighbor" into the 'Find Tools' search bar. 
4. Select Natural Neighbor (Spatial Analyst Tools).
5. Under Input point features, click the drop-down menu and select HSTPoints.
6. Under Z value field, choose Thickness.
7. Under Output raster, change the name to HST_Interp_NN.
8. Click Run.
9. Above the Ribbon, on the Quick Access toolbar, click the Save button.

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For more practice with Symbology, check out our short course: Introduction to ArcGIS Pro. For more information on Symbology in ArcGIS Pro, check out this help resource: Symbology 

1. Right-click HST_Interp_NN and select Symbology. A new pane, Symbology, will open up on the right side of the screen. From here you can change the symbology settings, which affects how the HST_Interp_NN raster is displayed on the map. Stretched symbology displays continuous raster cell values across a gradual ramp of colors. Classified symbology displays thematic rasters by grouping cell values into classes. 
2. In the Symbology pane, choose Classify from the Primary symbology drop down menu. To change the number or classes, use the drop-down box under Classes. To manually alter the class intervals, double-click the upper values box you would like to edit and enter the new values. To change the color, use the drop-down options under Color Scheme.
3. In the Symbology pane, choose Stretch from the Primary symbology drop down menu. To change the color, use the drop-down options under Color Scheme.
4. Above the Ribbon, on the Quick Access toolbar, click the Save button.

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