Keywords: Equirectangular with rhumb+circle+triangle.svg en World map on the equirectangular projection or plane chart or Plate Carree The graticule spacing is 10 degrees This is a low resolution figure unsuitable for zoom <br/> The figure was produced in Inkscape 1 47 with public domain data from the NGDC World Coast Line on WGS84 datum <br/> The red line is a rhumb The black line is a great circle Neither are straight The Tissot ellipses indicate distortion they apply to any meridian True scale on all meridians and equator <br/>The triangle is used on the Wiki Mercator projection page The base on equator and the vertical on meridian are true to scale but Pythagoras gives the incorrect distance on the hypotenuse own Peter Mercator 2010-08-06 BadSVG Plate carrée projection Map projections with Tissot's indicatrix Great circle Loxodrome |