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include <math.h>
include <math/gsurfit.h>
$for (rd)
# GEO_DROTMAG -- Adjust the coefficients of the fit using the database file.
procedure geo_drotmag$t (dt, rec, sx1, sy1, xmag, ymag, xrot, yrot)
pointer dt #I pointer to the text database file
int rec #I record number
pointer sx1, sy1 #I/O pointers to the x and y linear surfaces
PIXEL xmag, ymag #I/O the x and y magnification
PIXEL xrot, yrot #I/O the x and y axis rotation
real dtgetr()
begin
if (IS_$INDEF$T(xmag))
xmag = PIXEL (dtgetr (dt, rec, "xmag"))
if (IS_$INDEF$T(ymag))
ymag = PIXEL (dtgetr (dt, rec, "ymag"))
if (IS_$INDEF$T(xrot))
xrot = DEGTORAD (PIXEL(dtgetr (dt, rec, "xrotation")))
else
xrot = DEGTORAD(xrot)
if (IS_$INDEF$T(yrot))
yrot = DEGTORAD (PIXEL (dtgetr (dt, rec, "yrotation")))
else
yrot = DEGTORAD(yrot)
call geo_rotmag$t (sx1, sy1, xmag, ymag, xrot, yrot)
end
# GEO_DXYSHIFT -- Adjust the fitted xy shift using the database file.
procedure geo_dxyshift$t (dt, rec, sx1, sy1, xout, yout, xref, yref,
xshift, yshift)
pointer dt #I pointer to the text file database
int rec #I the database record
pointer sx1, sy1 #I/O pointers to the x and y linear surfaces
PIXEL xout, yout #I the input coordinate system origin
PIXEL xref, yref #I the reference coordinate system origin
PIXEL xshift, yshift #I the origin shift in input coordinates
$if (datatype == r)
PIXEL gsgetr(), gseval()
$else
PIXEL dgsgetd(), dgseval()
$endif
begin
$if (datatype == r)
if (IS_$INDEF$T(xref))
xref = (gsgetr (sx1, GSXMIN) + gsgetr (sx1, GSXMAX)) / 2.0
if (IS_$INDEF$T(yref))
yref = (gsgetr (sy1, GSYMIN) + gsgetr (sy1, GSYMAX)) / 2.0
if (IS_$INDEF$T(xout))
xout = gseval (sx1, xref, yref)
if (IS_$INDEF$T(yout))
yout = gseval (sy1, xref, yref)
if (IS_$INDEF$T(xshift))
xshift = xout - gseval (sx1, xref, yref)
if (IS_$INDEF$T(yshift))
yshift = yout - gseval (sy1, xref, yref)
$else
if (IS_$INDEF$T(xref))
xref = (dgsgetd (sx1, GSXMIN) + dgsgetd (sx1, GSXMAX)) / 2.0d0
if (IS_$INDEF$T(yref))
yref = (dgsgetd (sy1, GSYMIN) + dgsgetd (sy1, GSYMAX)) / 2.0d0
if (IS_$INDEF$T(xout))
xout = dgseval (sx1, xref, yref)
if (IS_$INDEF$T(yout))
yout = dgseval (sy1, xref, yref)
if (IS_$INDEF$T(xshift))
xshift = xout - dgseval (sx1, xref, yref)
if (IS_$INDEF$T(yshift))
yshift = yout - dgseval (sy1, xref, yref)
$endif
call geo_xyshift$t (sx1, sy1, xshift, yshift)
end
# GEO_ROTMAG -- Edit the coefficients of the linear surface which determine
# magnification and rotation.
procedure geo_rotmag$t (sx1, sy1, xscale, yscale, xrotation, yrotation)
pointer sx1, sy1 #I/O pointers to the linear x and y surfaces
PIXEL xscale, yscale #I the x and y scales
PIXEL xrotation,yrotation #I the x and y axis rotation angles in radians
PIXEL cosx, sinx, cosy, siny, xrange, yrange
int ncoeff
pointer sp, xcoeff, ycoeff
$if (datatype == r)
real gsgetr()
int gsgeti()
$else
double dgsgetd()
int dgsgeti()
$endif
begin
# Get the current solution.
call smark (sp)
$if (datatype == r)
ncoeff = max (gsgeti (sx1, GSNSAVE), gsgeti (sy1, GSNSAVE))
$else
ncoeff = max (dgsgeti (sx1, GSNSAVE), dgsgeti (sy1, GSNSAVE))
$endif
call salloc (xcoeff, ncoeff, TY_PIXEL)
call salloc (ycoeff, ncoeff, TY_PIXEL)
$if (datatype == r)
call gssave (sx1, Mem$t[xcoeff])
call gssave (sy1, Mem$t[ycoeff])
$else
call dgssave (sx1, Mem$t[xcoeff])
call dgssave (sy1, Mem$t[ycoeff])
$endif
# Define the scaling parameters.
cosx = cos (xrotation)
sinx = sin (xrotation)
cosy = cos (yrotation)
siny = sin (yrotation)
# Calculate coefficients.
Mem$t[xcoeff+GS_SAVECOEFF+1] = xscale * cosx
Mem$t[xcoeff+GS_SAVECOEFF+2] = yscale * siny
Mem$t[ycoeff+GS_SAVECOEFF+1] = -xscale * sinx
Mem$t[ycoeff+GS_SAVECOEFF+2] = yscale * cosy
# Normalize coefficients for-non polynomial functions.
$if (datatype == r)
if (gsgeti (sx1, GSTYPE) != GS_POLYNOMIAL) {
xrange = gsget$t (sx1, GSXMAX) - gsget$t (sx1, GSXMIN)
$else
if (dgsgeti (sx1, GSTYPE) != GS_POLYNOMIAL) {
xrange = dgsget$t (sx1, GSXMAX) - dgsget$t (sx1, GSXMIN)
$endif
Mem$t[xcoeff+GS_SAVECOEFF+1] = Mem$t[xcoeff+GS_SAVECOEFF+1] *
xrange / 2.d0
Mem$t[xcoeff+GS_SAVECOEFF+2] = Mem$t[xcoeff+GS_SAVECOEFF+2] *
yrange / 2.d0
}
$if (datatype == r)
if (gsgeti (sy1, GSTYPE) != GS_POLYNOMIAL) {
yrange = gsget$t (sy1, GSYMAX) - gsget$t (sy1, GSYMIN)
$else
if (dgsgeti (sy1, GSTYPE) != GS_POLYNOMIAL) {
yrange = dgsget$t (sy1, GSYMAX) - dgsget$t (sy1, GSYMIN)
$endif
Mem$t[ycoeff+GS_SAVECOEFF+1] = Mem$t[ycoeff+GS_SAVECOEFF+1] *
xrange / 2.d0
Mem$t[ycoeff+GS_SAVECOEFF+2] = Mem$t[ycoeff+GS_SAVECOEFF+2] *
yrange / 2.d0
}
$if (datatype == r)
# Free the original fit.
call gsfree (sx1)
call gsfree (sy1)
# Restore the edited fit.
call gsrestore (sx1, Mem$t[xcoeff])
call gsrestore (sy1, Mem$t[ycoeff])
$else
# Free the original fit.
call dgsfree (sx1)
call dgsfree (sy1)
# Restore the edited fit.
call dgsrestore (sx1, Mem$t[xcoeff])
call dgsrestore (sy1, Mem$t[ycoeff])
$endif
call sfree (sp)
end
# GEO_XYSHIFT -- Shift the linear part of the fit in x and y.
procedure geo_xyshift$t (sx1, sy1, xshift, yshift)
pointer sx1, sy1 #I pointers to linear x and y surfaces
PIXEL xshift, yshift #I the input x and y shifts
int ncoeff
pointer sp, xcoeff, ycoeff
$if (datatype == r)
int gsgeti()
$else
int dgsgeti()
$endif
begin
call smark (sp)
# Allocate working space.
$if (datatype == r)
ncoeff = max (gsgeti (sx1, GSNSAVE), gsgeti (sy1, GSNSAVE))
$else
ncoeff = max (dgsgeti (sx1, GSNSAVE), dgsgeti (sy1, GSNSAVE))
$endif
call salloc (xcoeff, ncoeff, TY_PIXEL)
call salloc (ycoeff, ncoeff, TY_PIXEL)
# Get coefficients.
$if (datatype == r)
call gssave (sx1, Mem$t[xcoeff])
call gssave (sy1, Mem$t[ycoeff])
$else
call dgssave (sx1, Mem$t[xcoeff])
call dgssave (sy1, Mem$t[ycoeff])
$endif
# Shift the coefficients.
Mem$t[xcoeff+GS_SAVECOEFF] = Mem$t[xcoeff+GS_SAVECOEFF] + xshift
Mem$t[ycoeff+GS_SAVECOEFF] = Mem$t[ycoeff+GS_SAVECOEFF] + yshift
$if (datatype == r)
# Free original fit.
call gsfree (sx1)
call gsfree (sy1)
# Restore fit.
call gsrestore (sx1, Mem$t[xcoeff])
call gsrestore (sy1, Mem$t[ycoeff])
$else
# Free original fit.
call dgsfree (sx1)
call dgsfree (sy1)
# Restore fit.
call dgsrestore (sx1, Mem$t[xcoeff])
call dgsrestore (sy1, Mem$t[ycoeff])
$endif
call sfree (sp)
end
$endfor
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