Creating image mapsYou can create image map areas using an image map tool or a layer. Tool-based image map areas Are created using an image map tool--you drag in the image to define the image map area. You can view and set options for tool-based image maps in the Image Map palette. Layer-based image map areas Are created from a layer--the layer's content defines the shape of the image map area and the image map inherits the name of the layer. If you edit the layer's content, the image map area automatically adjusts to encompass the new pixels. You can view and set options for layer-based image map areas in the Image Map palette. If you plan to add a rollover effect to an image map area, it is often preferable to use a layer-based image map area rather than a tool-based image map area. For example, if you create a rollover button that displays a glow effect in the Over state, a layer-based image map area will automatically adjust to encompass the pixels that are produced by the glow. Important: If you overlap image map areas, the topmost area is active. To create an image map area using an image map tool:
To add points to a polygon image map area, select the image map select tool, and Shift-click where you want to add a point. To remove points from a polygon image map area, select the image map select tool, and Alt-click (Windows) or Option- click (Mac OS) the points you want to remove. To create an image map area from a layer:
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