![]() ![]() ExpertGPS Pro contains all of the professional mapping features of high-end CAD and GIS packages, but without the steep learning curve and at a fraction of the price (now only $79/yr). ExpertGPS even works with your own scanned maps, and data from over 100 different mapping, GIS, and CAD programs.ĮxpertGPS Home is an affordable outdoor trip planner at only $33/yr. ExpertGPS makes it easy to transfer waypoints, routes, and tracks, as well as GPS, GIS, and CAD data, to and from your Garmin echoMAP 93sv.ĮxpertGPS gives you access to every topo map in the USA, as well as high-resolution aerial photos, so you can zoom in on any trail or job site. Download ExpertGPS! Introducing ExpertGPSĮxpertGPS is GPS map software for your Windows computer, tablet, or laptop. Because the underlying map is still using an equirectangular projection, the grid lines to the left of the central meridian (24E) curve one direction, and the lines on the right curve in the opposite direction.You're About to Unleash the Full Potential of Your Garmin echoMAP 93sv!ĭon't Miss These Easy Tips to Supercharge Your GPS. ![]() As you can see in the image below, the grid is centered on 24 degrees East longitude, which runs directly through the center of the country. To add the Lithunia LKS 1994 grid, I followed these instructions for adding a new coordinate format to ExpertGPS, and selected the LKS grid as shown below.Īs soon as I switched to this coordinate format, the grid lines in ExpertGPS switched from showing latitude and longitude to showing eastings and northings in Lithuania’s national grid. If a third calibration point is required, I try to pick one of the remaining corners, in this case, the lower left one. Two points are usually enough to properly calibrate a map, and as soon as I added the second point, my waypoint for Vilnius appeared at the correct location on the map. I placed the second calibration point in the opposite corner, at 53N, 27 deg, 30 min W. I always try to place the first point in the upper left corner, in this case, at 57 degrees North, 20 degrees West. I used three calibration points to calibrate this map. jpg file with the map image, and then entered the name of the map, and the projection it uses (Equirectangular). To add the map to ExpertGPS, I clicked Open Scanned Map Library on the Map menu, and then clicked Add. I did a search on and quickly found the latitude and longitude of Vilnius, and created a waypoint with those coordinates. ![]() I always like to start calibrating a map with some data from the location the map covers. To get started, I created a waypoint and recented the Quick Map view in ExpertGPS on Vilnius, Lithuania. This is because the top left and bottom left corners have the same longitude (20 degrees East), and the top right and bottom right corners are the same as well (27 degrees, 30 minutes East longitude). Looking at this map of Lithuania, I can tell that it uses an equirectangular (lat/lon) projection, rather than the Lithuanian Transverse Mercator grid (LKS94). needs help calibrating a map of Lithuania, and overlaying a grid in Lietuvos Koordinaciu Sistema (LKS94), the Lithuanian national coordinate system. ![]()
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