The Weather Forecasting Forum

Tim, Thanks for the reply. I didn't make myself very clear. I want to be able to draw map backgrounds on my own maps by connecting points for which I have computed screen coordinates from the latitude and longitudes of points on geographic features. That is, I need, for example, an outline of the Un...

For my own personal use and diversion, I develop and use programs for the MAC to display surface and upper-air data and do analyses of the data. I need map backgrounds that have points given in lat/long so I can display them with my data/analyses in whatever projection I choose. Outlines of the U.S....