• Data,  Tips and Tricks

    Download Image Service Tiles

    Last post we looked at how to connect to the RIGIS image services within desktop GIS.  Did you know that you are able to download selected tiles from these image services within ArcMap and ArcPro?  Let’s step through how: SELECT TILES TO DOWNLOAD Add an image service layer to your map. Zoom in on an area. Use the select tool to define an area of tiles to download (draw a rectangle or select an area by just clicking) NOTE: the download operation is limited to 20 tiles at a time. Once the tiles are selected, you may need to remove the overview extents that are selected.  Follow the appropriate workflow:…

  • Data

    Connect to Image Services

    Ready to start using the new 3- inch pixel resolution, true color aerial images captured April 24 – May 7, 2019?  Try connecting to the RIGIS image server to begin using these resources in your map and online products.  While these images are not traditionally orthorectifed, they do provide incredible detail. ArcGIS Pro Add Data: Select Portal > All Portal This will allow a search of all ArcGIS Online public data including RIGIS data holdings. In the Search bar type, “RIGIS aerial 2019“ The results listed show a grouping of data for each flight time period.   Each flight time period includes 2 Imagery layers and one Tile layer. The Tile…

  • Data

    KMZ and RIGIS Aerial Photos

    RIGIS supports the use of KMZ files to access many of its aerial photograph collections! The KMZ file format is widely supported by mapping software and apps including Google Earth and Esri ArcGIS Earth. We’ve recently updated our website to make these KMZ linkages easier to find. NOTE: Note all RIGIS image collections are currently available as KMZ. Get started by heading over to the RIGIS data clearinghouse: http://www.rigis.org Scroll down on the homepage until you find button for the RIGIS Imagery Collections.         Select the aerial photo collection you’re interested in viewing, such as these from Spring 2011.   Finally, choose the KMZ option from the list…

  • Data

    Spring 2018 Aerial Photos: Initial Release

    Spring 2018 aerial photographs are now available from RIGIS as ArcGIS image services and an ArcGIS Online hosted tile layer! Here’s a quick rundown: Statewide True color 3-inch pixel size Not orthorectified Collected and processed by EagleView under contract to the Rhode Island Department of Transportation (RIDOT) Contributed to RIGIS by RIDOT, in partnership with the Rhode Island Department of Environmental Management, Rhode Island Enhanced 9-1-1 Uniform Emergency Telephone System, and Rhode Island Emergency Management Agency Esri ArcGIS Server Image Services (a.k.a. “Imagery Layers” according to ArcGIS Online) directly hosted by the URI Environmental Data Center are available in two different coordinate systems. Web Mercator WGS 84 Meters:https://edc.maps.arcgis.com/home/item.html?id=7368516070e24d4d9676d3932eaa3b73 Rhode Island State Plane…

  • Events

    Recap: RIGIS User Group Imagery Seminar

    On August 19, an educational forum on aerial and satellite imagery available for Rhode Island was held at the University of Rhode Island’s (URI) main campus with the goal of informing attendees on a variety of online resources for image data of Rhode Island, with a heavy emphasis on RIGIS and the US Geological Survey (USGS); this forum also highlighted the new suite of ArcGIS Image Services featuring RIGIS data that are being developed by the Rhode IslandView. There are three ways to download imagery from RIGIS. The majority of RIGIS imagery is available as tiled GeoTIFF and JPEG2000 format files, however historical imagery is available as tiled MrSID format files…