Pascoe, S (Stephen) wrote: > I am trying to prepare a plot on the UK national grid. This is a transverse > mercator projection centred on the UK with a false origin offset from the > projection origin (lat_0, lon_0). > > The Basemap coordinate system origin (0 Easting and Northing) always seems to > be set in the lower-left corner of the plot. The plot I need includes data > either side of the origin so I need the origin within the plot area. > > Is there a general way of setting the origin somewhere other than the > lower-left corner? > > I can either get basemap to plot the correct data region, in which case the > origin is in the wrong place or I can fool Basemap by adjusting the axes > bounds later. However, if I do this some of the coastline isn't plotted > because Basemap decides it isn't on the map. > > Cheers, > Stephen. > > > Stephen: There's no way to change the coordinate system Basemap uses. To get you data to plot in the correct place, just add an offset
xoffset, yoffset = map(lon_0, lat_0) to the UK national grid coordinates of the data you are plotting. HTH, -Jeff -- Jeffrey S. Whitaker Phone : (303)497-6313 NOAA/OAR/CDC R/PSD1 FAX : (303)497-6449 325 Broadway Boulder, CO, USA 80305-3328 ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
