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Many times, images added to a Map Project appear so large in the Data Frame (the main viewing area) of ArcMap that they cover the entire viewing surface.  You can re-size the image by using the Scale Tool in the Georeferencing Toolbar.

Scale Tool

Make an Image Smaller
  1. Select the Scale Tool from the Georeferencing Toolbar.
  2. Move the cursor to the corner of the image.
  3. Click and drag from the corner to the center of the image.
  4. Release the mouse. The image will resize.
Make an Image Larger
  1. Select the Scale Tool from the Georeferencing Toolbar.
  2. Move the cursor to the center of the image.
  3. Click and drag from the ccenter center to beyond one of the outside edges. The further outside the edge of the image you drag, the larger the image will become.
  4. Release the mouse. The image will resize.

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  1. Select the Shift Tool from the Georeferencing Toolbar.
  2. Click and hold the mouse on part of the image.  Drag the cursor to the desired area in the Data Frame.
  3. When you release the mouse button, the portion of the image on which you clicked and dragged will move to the area where the cursor was when you released the mouse.

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To orient an image, use the Rotate Tool to turn the image to match the Basemapa Basemap. (If you are using Visual Cues to Georeference your image).

Rotate Tool

  1. Select the RotateTool from the Georeferencing Toolbar.
  2. Click and drag the image to rotate it in the Data Frame.
  3. When you release the mouse button, the image will rotate.

Add Control Points to Your Image

The Add Control Points tool is the tool that allows you to georeference the image. This is the process of matching points on the image layer to corresponding points on the shape layers.

Add Control Points Using Visual Cues

Control points can be added using visual cues. These usually take the form of visible landmarks, like the corner of a sharply defined agricultural plot of land, or the bend of a river.

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  1. Add a Georeferenced Basemap to your new Map Project.  We recommend adding the ESRI Imagery World 2D Map or ESRI Street Map World 2D from the ESRI servers.
  2. In the Table of Contents, drag the Basemap below the image you are georeferencing. That will allow you to see the image superimposed on the Basemap.
  3. Select the  Add Control Points button
    Add Control Points Button


  4. Left click on a known point on the image. This will place a cross mark on that location.
  5. Left click on the matching control point in your Basemap. This will 'move' the image and better align the control points.
  6. Repeat this step with each control point.

Add Control Points Using Latitude and Longitude

You can enter x (longitude) and y (latitude) coordinates as Control Points rather than use the method mentioned above. To do this,

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