Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/GCPWORKS|GCP+Collection|Saving+GCPs">Saving GCPs</a><hr>
<H5>LONG/LAT</H5>
GCPs are NOT converted to &quot;LONG/LAT&quot; by GCPWorks for the following simple
projections units:
<P>
<UL>
<LI> &quot;UTM&quot; (Universal Transverse Mercator) with a zone
<LI> State Plane (&quot;SPCS&quot;, &quot;SPIF&quot;, or &quot;SPAF&quot;) with a zone
<LI> &quot;UPS&quot; (Universal Polar Stereographic) with a zone           
<LI> &quot;GOOD&quot; (Goode's Homolosine)
</UL>
GCPs are NOT converted to &quot;LONG/LAT&quot; by GCPWorks because they are not
reprojectable:
<P>
<UL>
<LI> &quot;PIXEL&quot;
<LI> &quot;METRE&quot;
<LI> &quot;FOOT&quot;
</UL>
GCPs ARE converted to &quot;LONG/LAT&quot; by GCPWorks for the following non-simple
projections if the &quot;Mathematical Model&quot; selected for the &quot;GCPWorks Setup&quot;
panel is NOT &quot;Satellite Ortho Correction&quot;:
<P>
<UL>
<LI> &quot;ACEA&quot; Albers Conical Equal-Area
<LI> &quot;AE&quot;   Azimuthal Equidistant
<LI> &quot;EC&quot;   Equidistant Conic
<LI> &quot;ER&quot;   Equirectangular (Plate Carree)
<LI> &quot;GNO&quot;  Gnomonic
<LI> &quot;GVNP&quot; General Vertical Near-Side Perspective
<LI> &quot;LAEA&quot; Lambert Azimuthal Equal-Area
<LI> &quot;LCC&quot;  Lambert Conformal Conic
<LI> &quot;MC&quot;   Miller Cylindrical
<LI> &quot;MER&quot;  Mercator
<LI> &quot;MSC&quot;  Modified Stereographic Conformal
<LI> &quot;OG&quot;   Orthographic
<LI> &quot;OM&quot;   Oblique Mercator
<LI> &quot;PC&quot;   Polyconic
<LI> &quot;PS&quot;   Polar Stereographic
<LI> &quot;ROB&quot;  Robinson
<LI> &quot;SG&quot;   Stereographic
<LI> &quot;SIN&quot;  Sinusoidal
<LI> &quot;SOM&quot;  Space Oblique Mercator
<LI> &quot;TM&quot;   Transverse Mercator (Gauss-Krueger)
<LI> &quot;VDG&quot;  Van der Grinten
</UL>
GCPs saved to disk as LONG/LAT and used outside of GCPWorks may have to
be reprojected with the GCPPRO program.  For example, the following steps
would be required for producing &quot;TM&quot; GCPs for the SRORTHO program:
1. &quot;TM&quot; GCPs saved to disk from GCPWorks would be converted to equivalent
<P>
<PRE>
   &quot;LONG/LAT&quot; coordinates.
</PRE>
2. Convert the equivalent &quot;LONG/LAT&quot; GCPs to the output &quot;TM&quot; system
<P>
<PRE>
   with GCPPRO.
</PRE>
3. Use the &quot;TM&quot; GCPs produced from GCPPRO as input to REG.
<P>
<hr>
Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/GCPWORKS|GCP+Collection|Saving+GCPs">Saving GCPs</a><br>
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