On 02/11/11 19:20, Adam Dershowitz, Ph.D., P.E. wrote:
+proj=omerc +lat_0=0 +lonc=0 +alpha=0 +k=1 +x_0=0 +y_0=0 +ellps=GRS80
+datum=NAD83 +units=m +no_defs
Hello,
PROJ.4 is more verbose about the problem:
$ proj +proj=omerc +lat_0=0 +lonc=0 +alpha=0 +k=1 +x_0=0 +y_0=0
+ellps=GRS80 +datum=NAD83 +units=m +no_defs
Rel. 4.7.1, 23 September 2009
<proj>:
projection initialization failure
cause: lat_0 = 0 or 90 or alpha = 90
Jean-Claude
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