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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.
5. Right-click and select Input X and Y...
6. 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 North coordinate.
7. Right-click HST and click Zoom to Layer.
8. Repeat steps 5-8 for the bottom right corner of HST, but type X : -103.5, Y : 32. 
9. Repeat steps 5-8 for the bottom left corner of HST but type X : -104.5, Y : 32.
10. Repeat steps 5-8 for the top right corner but type X : -103.5, Y : 33. 
11. Fom From the Georeferencing ribbon, click Save. Then click Close Georeference.
    

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For more practice with Digitizing Features, check out our short course: Creating Vector Data

1. In the Catalog pane, expand the Databases section.
2. Right tabbed Project menu, right-click PlayMapping.gdb and select New > Feature Class. Name it HSTPoints. Under the Type drop-down box, select Point.
3. Click Next twice. In the Spatial Reference window, under the Layers section, select the NAD 1927 projection. Click the drop-down box for Coordinate System and select Current Map [Map]. Click Run. Finish.
4. If the new feature class did not automatically add to your map: From the Catalog pane in the Databases section, expand PlayMappping.gdb. Right-click HSTPoints and select Add to Current Map. 
5. In the Contents pane, right-click HSTPoints and select Attribute Table. 
6. From the top of the attribute table, click the Add Field button. 
7. A new Fields view table pops up. Under the Field Name columnRight click HSTPoints and click Attribute Table. Under Field, click Add. Under Field Name, add a new name labeled Thickness. 
8. Change the Data Type to Short Integer by clicking the drop-down box then Short. 
9. From the main Ribbon, you will now see you are in the Fields tab. Click the Save button on the far right of the Ribbon to save the new field.
10. Close the Fields view table by clicking the X Save under the FIELDS ribbon at the top right of the screentable. 
11. At the bottom of the screen, next to Fields: HSTPoints, click the X.
12. From the Ribbon, select the Edit tab.
13. In the Features group, click Create. 
14. A new pane, Create Features, opens Go to the Edit ribbon and under the Features tab click Create. On the Create Features box on the right side of the screen, click . Click HSTPoints and select the Point (the icon to the far left button (first in list).. 
15. In the Table of ContentsMap view, right click HSTPoints layer and click Attribute Table. From here you can add a thickness number, the number provided from HST, to the attribute table.
16. Once you click on a point on the map, go to the Attribute Table, click on the thickness field for the point you just added, and type in the number.
17. Repeat step 9 for all points from HST.
18. click to add a point on the to left point displayed on the HST.jpg. 
19. 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. 
20. Repeat steps 14 and 15 for all points on HST.jpg.
21. From the Ribbon, in the Edit tabUnder the Edit ribbon, in the Manage Edits boxgroup, click Save. Click Yes for the pop-up window. 
22. Close the Create Features boxpane.

Interpolation

For more practice with Interpolation, check out our short course: Data Interpolation and Extraction 

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