• 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…

  • Data

    Data Update Summary: October to December 2015

    Over the past three months we have added a multitude of updated and new datasets to the RIGIS website. Please find a complete list below. What’s new: – Quad Neatlines, 2014: These new neatlines are designed for use with the modern US Topo map series being developed by the USGS; the new 2015 US Topos are to be released via RIGIS soon. For instructions on downloading these US Topos please see the last blog posting. – Statewide Digital Flood Insurance Rate Map (DFIRM) database: This statewide database replaces the old county-based DFIRM datasets. – Urban Areas: This new boundary dataset highlights densely developed areas delineated by the U.S. Census Bureau,…

  • Data

    New US Topo Maps for Rhode Island

    As you may have seen via Shane’s listserv blast earlier today, updated US Topos are available for Rhode Island. These 2015 US Topo maps contain an updated symbology, enhanced railroad information, new roads source data and selected public trails. During my perusing, I’ve determined that the best place to download these new Topo maps for RI is here. Below, find simple instructions on how to locate and download US topo maps. Using the search menu on the left, users can specify their state, scale and map type. This will bring up all US Topos that cover Rhode Island. To download a GeoPDF for a specific quadrangle, simply click on the…