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