• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint
Share this Page URL
Help

A. A Brief Introduction to Map Projectio... > A.4. Using Projections with Other Ap...

Using Projections with Other Applications

MapServer is just one application of many that use PROJ.4 to help project coordinates. Two other utilities discussed elsewhere in this book can use the power of PROJ.4 to project data/features into new projections. This is often accomplished using a few command-line options. The gdalwarp and ogr2ogr command-line tools (part of the GDAL/OGR package hosted at http://gdal.org) allow you to convert raster and vector data, respectively, between formats. You can also specify a target spatial reference system using the -t_srs option. For example, to convert an image that is referenced to latitude/longitude coordinates, into a Mercator projection, the following command might be used:


PREVIEW

                                                                          

Not a subscriber?

Start A Free Trial


  
  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint