[Mapserver-users] PRJ 4

Mon Jan 26 02:08:15 EST 2004

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Hello
=20
I have a proj4 related problem. There are two coordinate systems and
coordinates of the object for both of them (object is the same). So, I
tried to get geographical coordinates from those two systems in order to
test them. Here is the first system :
=20
proj.exe -I +proj=3Dlcc +lat_1=3D59.33333333333334 +lat_2=3D58
+lat_0=3D57.51755393055556 +lon_0=3D24 +x_0=3D500000 +y_0=3D6375000 =
+ellps=3DGRS80
+towgs84=3D0.055,-0.541,-0.185,-0.0183,0.0003,-0.007,-0.014 +units=3Dm
545875.083 6597313.668
24d48'36.695"E  59d30'39.485"N

Geographical coordinates seems to be OK, so it works fine.
=20
Here is the second system :
proj.exe -I +proj=3Dtmerc +lat_0=3D0 +lon_0=3D24 +k=3D1.0 =
+x_0=3D-6536000
+y_0=3D24000 +ellps=3Dkrass
70000.080 63999.920
74d38'34.823"E  0d13'55.623"N
=20
Geographical coordinates are not correct, but I'am sure about
coordinates, so something is wrong in coordinate system definition and
it's parameters. Some good advices ?
=20
Best Regards,
Martin Kiuru.

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<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D973194106-26012004>Hello</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D973194106-26012004></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D973194106-26012004>I have =
a proj4=20
related problem. There are two coordinate systems and coordinates=20
of&nbsp;the&nbsp;object for both of them (object is the same). =
So,&nbsp;I tried=20
to get geographical coordinates from those two systems in order to test =
them.=20
Here is the first system :</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D973194106-26012004>&nbsp;</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>proj.exe -I +proj=3Dlcc =
+lat_1=3D59.33333333333334<SPAN=20
class=3D973194106-26012004> </SPAN>+lat_2=3D58 =
+lat_0=3D57.51755393055556 +lon_0=3D24=20
+x_0=3D500000 +y_0=3D6375000<SPAN class=3D973194106-26012004> =
</SPAN>+ellps=3DGRS80=20
+towgs84=3D0.055,-0.541,-0.185,-0.0183,0.0003,-0.007,-0.014 =
+units=3Dm<BR>545875.083=20
6597313.668<BR>24d48'36.695"E&nbsp; 59d30'39.485"N<BR></FONT></DIV>
<DIV><FONT><SPAN class=3D973194106-26012004><FONT face=3DArial =
size=3D2>Geographical=20
coordinates seems to be OK, so it works fine.</FONT></SPAN></FONT></DIV>
<DIV><FONT><SPAN class=3D973194106-26012004><FONT face=3DArial=20
size=3D2></FONT></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT><SPAN class=3D973194106-26012004><FONT face=3DArial =
size=3D2>Here is the=20
second system :</FONT></SPAN></DIV></FONT>
<DIV><FONT face=3DArial size=3D2>proj.exe -I +proj=3Dtmerc +lat_0=3D0 =
+lon_0=3D24 +k=3D<SPAN=20
class=3D973194106-26012004>1</SPAN>.0 +x_0=3D-6536000 +y_0=3D24000=20
+ellps=3Dkrass<BR>70000.080 63999.920<BR>74d38'34.823"E&nbsp;=20
0d13'55.623"N</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D973194106-26012004><FONT face=3DArial =
size=3D2>Geographical=20
coordinates are not correct, but I'am sure about coordinates, so =
something is=20
wrong in coordinate system definition and it's parameters. Some good =
advices=20
?</FONT></SPAN></DIV>
<DIV><SPAN class=3D973194106-26012004><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D973194106-26012004><FONT face=3DArial size=3D2>Best=20
Regards,</FONT></SPAN></DIV>
<DIV><SPAN class=3D973194106-26012004><FONT face=3DArial size=3D2>Martin =

Kiuru.</FONT></SPAN></DIV></BODY></HTML>

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