I had a typo in the 2nd URL... it should be: url: ---- http://localhost/cgi-bin/mapserv.exe?zoom=2&img.x=330&img.y=247.5&mapext=189775.375+4810000+761662.375+5472414.5&map=C:/ms4w/Apache/htdocs/tst/race.map&layer=county&mode=map
result: -------- map image of full extent from mapfile is returned... not the zoomed image. On Dec 6, 2007 3:03 PM, Matthew Pettis <[EMAIL PROTECTED]> wrote: > Hi, > > I am trying to just do raw CGI calls to do some zooming (trying to see > what the necessary raw CGI controls are to do certain functions, don't want > to use templates to do zooming just yet until i understand this), but can't > seem to do it. I try to pass a zoom parameter in, but I always get the map > image of the extent set in my .map file. Can someone help me with the right > incantation I need to pass in the address bar? > > here's what I have tried to no avail: > > relevant mapfile settings (what i think is relevant): > > --------------------------------------------------------------------------- > ################ > # Map attributes > ################ > IMAGETYPE PNG > EXTENT 189775.375 4810000 761662.375 5472414.5 > SIZE 660 495 > > --------------------------------------------------------------------------- > > > ========================= > url (no zoom) that works: > ------------------------------------ > > http://localhost/cgi-bin/mapserv.exe?map=C:/ms4w/Apache/htdocs/tst/race.map&layer=county&mode=map > result: > --------- > the right map of full extent is displayed in my browser > > ... > > url: > ---- > http://localhost/cgi-bin/mapserv.exe?zoom=2&img.x=330&img.y=247.5&mapext=&189775.375+4810000+761662.375+5472414.5&map=C:/ms4w/Apache/htdocs/tst/race.map&layer=county&mode=map > > > result: > --------- > msDrawMap(): Image handling error. Unable to initialize image. > msCalculateScale(): General error message. Invalid image extent, minx=- > 1.000000, miny=-1.000000, maxx=-1.000000, maxy=-1.000000. > msCalculateScale(): General error message. Invalid image extent, minx=- > 1.000000, miny=-1.000000, maxx=-1.000000, maxy=-1.000000. > > ========================= > > > -- > It is from the wellspring of our despair and the places that we are broken > that we come to repair the world. > -- Murray Waas -- It is from the wellspring of our despair and the places that we are broken that we come to repair the world. -- Murray Waas
