Adding image data expand/collapse all
Related Topics

Supported image formats

Understanding world files

Adding shapefile data

Adding ArcSDE data

Adding support for dynamic layers and queries

Adding an ArcView GIS image catalog or GRID

Adding projection information

Changing paths to UNC format

expand/collapse item About image data

ArcIMS Author supports images as background layers in your configuration file. For a list of supported image formats, see Supported image formats. All image formats that have a standard file extension can be added to ArcIMS Author through Catalog.

One of two things will happen when you add an image through Catalog in ArcIMS Author:

To add supported image formats without a standard file extension GRID files, or image catalogs, you must manually edit the configuration file. See the Adding an ArcView GIS image catalog or GRID for more details. Whether added in Author or manually to the configuration file, all supported images will display once the configuration file is published as an Image Service.

World files

A world file contains parameters to transform raster rows and columns into real-world coordinates. Many image formats require world files. The world file must use a three-letter extension, such as .tfw, and it cannot include scientific notation. See Understanding world files for details.

expand/collapse item How to add image data

expand/collapse item Adding images

Use Catalog to add images to your map.

  1. Click the Add Layers button Add Layers button on the Author toolbar to open Catalog.
  2. Under Data Sources, double-click Local or Favorites, and navigate to the directory containing your data.
  3. Click the File Type dropdown arrow and click Image Files.
  4. Click an image layer to include in your map. To select more than one image, hold the Ctrl key down and click the names of additional images.
  5. If more than one image is in a directory, you will see Image Directory as an option. When you choose an Image Directory from Catalog, all images in the directory are added to the map.
  6. Click Add Layers on the Catalog toolbar.
  7. Click Close.

Layers corresponding to the data you added appear in the legend of your map. Only jpeg, tiff, gif, bmp, and png files display in the map.

expand/collapse item Setting image transparency

Image transparency allows you to see layers of a map that draw behind an image.

  1. Select the image layer for which you want to set transparency.
  2. Click the Layers Property button in the toolbar.
  3. Move the transparency slider to indicate the amount of transparency you want. You can also type in the percentage.
  4. Click OK. The image redisplays with the new transparency setting.

expand/collapse item Displaying an image catalog or GRID

An image catalog is a dBASE file (*.dbf) defining an organized collection of spatially referenced geographic images accessed as one logical map layer. See Adding an ArcView GIS image catalog or GRID for more information.

expand/collapse item Troubleshooting images

Large images do not display in Author

ArcIMS Author may have limitations on displaying large images. If this limitation is encountered, the image may not display completely. To determine if you have encountered this limitation, open the Author Message Console from the Help menu and check for Out of Memory errors.

If you are having persistent problems, try the following:

Newly added files to a directory are not listed in Catalog

Refresh Catalog by right-clicking on a folder and clicking Refresh.

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