<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-family: Helvetica; "><span class="Apple-style-span" style="font-family: 'Lucida Grande'; "><div>Hello,</div><div><br></div><div>We are using mapserver version 4.10 and in our mapfile we don't specify a projection at the map level or in any of the layers.</div><div><br></div><div>Now we need to change the projection to;</div><div><br></div><div><span class="Apple-style-span" style="font-family: Verdana; ">North_America_Albers_Equal_Area_Conic projection</span></div><div><font class="Apple-style-span" face="Verdana"><br></font></div><div><font class="Apple-style-span" face="Verdana">I have added the following projection information to the map file but it does not effect our map at all.</font></div><div><br></div><div apple-content-edited="true"><span class="Apple-style-span" style="font-family: Verdana; ">PROJECTION<br> "+proj=aea +lat_1=20 +lat_2=60 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs"<br>END</span></div><br><div>I'm assuming there are some other things we need to do besides specifying the projection in the mapfile. Can anyone provide me the appropriate steps?</div><div><br></div><div>We are using PHP Mapscript and shape file from the US census.</div><div><br></div><div>Should we expect to be able to change projections on the fly by specifying the projection we want to use in the mapfile?</div><div><br></div><div>thank you for the information.</div><div><br></div><div>-boice</div><div><br></div></span></div><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline"> </div><br></body></html>