App URL_Parameters

Using URL parameters

EnviroAtlas has both built-in and custom URL parameter options available to modify the application. Information on using built-in URL parameters is available in the ArcGIS Web AppBuilder documentation. Customized EnviroAtlas URL parameter options and examples are listed below.

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Featured Collections

Featured collections are available in EnviroAtlas to demonstrate how datasets can be used together to make decisions. Access a featured collection as soon as the application loads by loading the URL parameter. The URL parameter pattern for accessing featured collections is shown in the example below, where the featuredcollection parameter refers to the GeoPlatform item id.

https://enviroatlas.epa.gov/enviroatlas/interactivemap/?featuredcollection=641cc21b65e842e5b6d232092948a74c

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EnviroAtlas Layers

Layers

The EnviroAtlas Data tool offers hundreds of spatial data layers available to add to the map. Access a specific EnviroAtlas data layer as soon as the application loads by loading the URL parameter. The URL parameter pattern for to access EnviroAtlas layers is shown in the example below, where eaLayer refers to the eaID found in the config file preceded by eaLyrNum_.

https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_98 

Communities

Community Selections focus the map display, zooms into the community location, and tailors community-level map layers. Access a specific community selection as soon as the application loads by loading the URL parameter. The URL parameter pattern for accessing featured collections is shown in the example below, where the eaCommunity parameter refers to the community input id.

https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaCommunity=ATX

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Census Demographic Layers

Specific U.S. Census Demographic layers can be queried and symbolized from within EnviroAtlas. Access a demographic layer of interest as soon as the application loads by loading the URL parameter. The URL parameter pattern for accessing demographic layers is shown in the example below, where the demogSource parameter refers to the Census data source, the demogCategory refers to the Census data category, and the demogVariable refers to the variable specific to the data category.

https://enviroatlas.epa.gov/enviroatlas/interactivemap/?demogSource=census2018acs&demogCategory=Geography&demogVariable=AREALAND

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Climate Time Series

Explore historic climate data and modeled future climate scenarios in EnviroAtlas. Access specific climate scenario Time Series data as soon as the application loads by loading the URL parameter. The URL parameter pattern is shown in the example below, where the climateTimeSeries parameter refers to the three different inputs into the climate scenario - scenario type, climate variable, and season - separated by an underscore.

https://enviroatlas.epa.gov/enviroatlas/interactivemap/?climateTimeSeries=Hist_Fall_Precip