Bob,
maybe error is in first line: "ellps-GRS80" is wrong, "ellps=GRS80" is
correct.
bye
................pg
Bistrais, Bob ha scritto:
I am trying to project an object from UTM to lat-long. I cannot get
the projection to work, and I suspect it's the parameters for the UTM
projection object. I am trying to project from UTM Zone 19N, NAD 1983
to lat-long. Here is my code:
$projInObj =
ms_newprojectionobj("proj=utm,ellps-GRS80,datum=NAD83,zone=19,units=m,north,no_defs");
$projOutObj = ms_newprojectionobj("proj=latlong");
$poPoint = ms_newpointobj();
$poPoint->setXY($xmin, $ymin);
echo "<p/>Coords: " . $poPoint->x . ",".$poPoint->y;
$poPoint = $poPoint->project($projInObj, $projOutObj);
echo "<p/>x = " . $poPoint->x;
echo "<p/>y = " . $poPoint->y;
$poPoint->free();
I can see the output using the echo lines. The coordinates going into
the point show up and are correct, but there are no x/y values after
doing the project. Can anyone see what I'm doing wrong?
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--
Pietro Giannini
Bytewise srl - Area GIS
41°50'38.58"N 12°29'13.39"E
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