Set image display properties

Note:

Some functionality is not yet supported in the new Map Viewer (formerly known as Map Viewer Beta). See the compatibility guide for more information, and use Map Viewer Classic (formerly known as Map Viewer) as needed for unsupported workflows.

Using Map Viewer, you can modify the display of your imagery in your web maps. As the author of a map, you decide how the imagery in the map is presented. You can modify the display settings for dynamic and tiled imagery layers.

When you add an imagery layer to a map, the map initially uses the default display settings of the imagery layer. To change the display settings, you can modify the properties, styles, and processing templates of imagery layers or adjust the image display order of each layer.

The styles for displaying imagery layers depend on the type of raster or imagery data contained in the layer and the source of the layer. Different styling options are called renderers. For example, the Stretch renderer uses the statistics and histograms of pixel values in a single raster band to enhance the display of continuous data. Alternatively, the Classify renderer allows you to group ranges of pixel values into classes and assign colors to the individual classes. See Style imagery in Map Viewer for details on displaying your imagery with an appropriate style.

ArcGIS Online imagery layers sometimes have associated processing templates. In these cases, you can select from one of the predefined processing templates for display. For example, a multispectral imagery layer can be published with a colorized NDVI processing template, which allows you to visualize NDVI data as you roam and zoom the layer.

Use a processing template

Dynamic imagery layers generated from image services are often created with one or more processing templates. Processing templates are preset display settings or raster function chains associated with imagery layers. For example, the Seafloor Temperature (°C) imagery layer in ArcGIS Living Atlas is published with a cartographic renderer as well as a renderer that converts Celsius to Fahrenheit, and one that converts Celsius to Kelvin. These are not separate imagery layers; rather, it is one imagery layer that can be displayed with different processing templates. You can choose to display the imagery layer with any of the predefined processing templates.

To use a predefined processing template to display an imagery layer, complete the following steps:

  1. Confirm that you are signed in and, if you want to save your changes, that you have privileges to create content.
  2. In Map Viewer, open the map containing the layer or add the layer directly.
  3. On the Settings (light) toolbar, click Processing templates Processing templates.

    The Processing Templates pane appears, listing all the processing templates associated with the image layer.

  4. Choose the predefined processing template to use to render the imagery layer.
  5. Click Done to close the Processing Templates pane.

Image display order

A dynamic imagery layer of a mosaic dataset contains a collection of images. These images are mosaicked on the fly and behave like a single image when you view the layer. For example, the USA NAIP Imagery: Natural Color imagery layer from ArcGIS Living Atlas is published from a mosaic dataset.

When working with these types of imagery layers in a web map, you can modify the image display order and determine how to resolve overlapping areas. Image order refers to how images are displayed when there are multiple images over the same area.

To change the image display order for a mosaic dataset imagery layer, complete the following steps:

  1. Confirm that you are signed in and, if you want to save your changes, that you have privileges to create content.
  2. In Map Viewer, open the map containing the layer or add the layer directly.
  3. On the Settings (light) toolbar, click Image display order Image display order.
  4. In the Image Display Order pane, specify the Mosaic method you want to use to prioritize imagery. The available options are as follows:
    • North West—The order is based on the center of each image's distance to the northwest corner of the mosaicked raster layer. Since this presents a static display, it is useful when you do not want the images to change percentage as you roam across the mosaic.
    • By Attribute—Select an attribute to determine the image display order. The image with the highest priority according to its attribute will be displayed on top. For example, if you want to show the most recent images, you can display the images based on their acquisition dates. Another common attribute to use is the percentage of cloud cover to get the clearest image possible.
    • Closest to Center—The images with their image centers closest in distance to the center of the screen display on top. This is useful if you are interested in viewing features from a more persistent point of view.
    • Closest to Nadir—The images with their image centers closest to a nadir (vertical) view angle display on top. This is useful if you are interested in viewing imagery with a minimum of building and feature lean.
    • Seamlines—Images are prioritized based on the existing seamlines. If you choose this option, use Blend to resolve any overlapping pixels.
    • Lock RasterLocked images will be displayed.
    • None—Order based on ObjectId.
  5. Specify the Mosaic operator for resolving overlapping pixels. The available options are as follows:
    • First—Display the pixel value from the image that has the highest priority as set by the mosaic method.
    • Minimum—Display the lowest pixel value.
    • Maximum—Display the highest pixel value.
    • Average—Display the mean pixel value.
    • Blend—Use the blend option for overlapping areas to create a smooth transition along seamlines.
    • Sum—Add all of the pixel values together.
  6. Optionally, reverse the order of priority by turning on the Reverse the order toggle button.
  7. Click Done to close the Image Display Order pane.