![]() You can now draw an in in-map elevation profile of a single track, using an icon in the track's info window. Leaflet and Google maps created by GPS Visualizer can now display ski trails from OpenSnowMap as a background map option. More 30m-resolution DEM elevation data has been installed on GPS Visualizer's server: new LIDAR-based files ("ODP1") for Iceland, and NASA SRTM1 data for Central America, the Caribbean, and northern Queensland. When tickmarks are added to a Google or Leaflet map, the "description" field of the tickmark will now contain the distance (for time-based tickmarks) or time (for normal distance tickmarks), if your input file contains the relevant data. ![]() If you create a Google or Leaflet map where the markers are displayed in folders in the marker list, you can use the gv_options.marker_list_options.folder_zoom parameter to automatically include a "zoom to contents" link next to the name of the folder. The JavaScript-based tool that can retrieve elevation data from the Google Maps Elevation API (using your Google API Key) has been updated so that it can look up 500 points at once this saves both time and calls to the API. GPS Visualizer's "NED1" collection of elevation data has been updated with the latest files from the US Geological Survey's 3D Elevation Program, which uses LIDAR to improve the accuracy of elevation data. ![]() GPS Visualizer now has basic support for Points, LineStrings, MultiLineStrings, Polygons, and MultiPolygons in GeoJSON (.json) FeatureCollection files. GPS Visualizer is based in Portland, Oregon, and has been on the Web since October 2002. xlsx),Īnd of course tab-delimited or comma-separated text. Garmin MapSource/ BaseCamp/ HomePort (.gdb), GPX (a standard format used with many devices and programs, including Garmin's eTrex, GPSMAP, Oregon, Dakota, Colorado, & Nüvi series), GPS Visualizer can read data files from many different sources, including but not limited to: Or, you could send an Amazon wish list item. Although Danian sediments in southeastern Virginia were removed by the Chesapeake Bay impact event, up to 30 ft of possible Brightseat Formation has been identified from core and well data in southernmost Virginia.GPS Visualizer is a free service and hopefully always will be however, if you find it interesting, time-saving, or just plain fun, you can say "thanks" - and encourage further development - by clicking the button above and making a contribution via credit card or PayPal. Results indicate a central depocenter with a thickness of 95 feet within Maryland with smaller thicknesses of the Brightseat surrounding. In addition, an isopach map of the Brightseat was produced using the Natural Neighbors interpolator in ArcGIS, creating a raster grid file that was symbolized every five feet. Analyses started with production of a structure contour map of the unconformable contact of the Danian Brightseat Formation with underlying Cretaceous sediments, which represents the Cretaceous-Paleogene boundary in the Embayment. In support of this goal, lower Paleogene sediment elevation and thickness information from approximately 600+ data points from wells, cores, outcrops, and geologic maps were obtained from published and unpublished resources. ![]() Detailed information regarding thicknesses and extent of formations across state boundaries can then be utilized for more accurate documentation of the subaerial extent of aquifers across states. The goal of the Atlantic Subsurface Stratigraphic Initiative (ASSI) is to create isopach and structural contour maps for all Coastal Plain formations within the Salisbury Embayment of Maryland and Virginia.
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