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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <imio.h>
include "../lib/daophotdef.h"
# DP_WIN -- Convert the input coordinates to logical coordinates.
procedure dp_win (dp, im, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
pointer im # the input image descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
int dp_stati()
begin
# Transform the input coordinates.
switch (dp_stati (dp, WCSIN)) {
case WCS_WORLD, WCS_PHYSICAL:
call dp_itol (dp, xin, yin, xout, yout, npts)
case WCS_TV:
call dp_vtol (im, xin, yin, xout, yout, npts)
default:
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
}
end
# DP_WOUT -- Convert the logical coordinates to output coordinates.
procedure dp_wout (dp, im, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
pointer im # the input image descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
int dp_stati()
begin
# Transform the input coordinates.
switch (dp_stati (dp, WCSOUT)) {
case WCS_WORLD, WCS_PHYSICAL:
call dp_ltoo (dp, xin, yin, xout, yout, npts)
case WCS_TV:
call dp_ltov (im, xin, yin, xout, yout, npts)
default:
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
}
end
# DP_WPSF -- Convert the logical coordinates to psf coordinates.
procedure dp_wpsf (dp, im, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
pointer im # the input image descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
int dp_stati()
begin
# Transform the input coordinates.
switch (dp_stati (dp, WCSPSF)) {
case WCS_WORLD, WCS_PHYSICAL:
call dp_ltop (dp, xin, yin, xout, yout, npts)
case WCS_TV:
call dp_ltov (im, xin, yin, xout, yout, npts)
default:
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
}
end
# DP_ITOL -- Convert coordinates from the input coordinate system to the
# logical coordinate system.
procedure dp_itol (dp, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
double xt, yt
pointer ct
int i
int dp_stati()
begin
ct = dp_stati (dp, CTIN)
if (ct == NULL) {
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
return
}
do i = 1, npts {
call mw_c2trand (ct, double (xin[i]), double (yin[i]), xt, yt)
xout[i] = xt
yout[i] = yt
}
end
# DP_LTOO -- Convert coordinates from the logical coordinate system to the
# output coordinate system.
procedure dp_ltoo (dp, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
double xt, yt
pointer ct
int i
int dp_stati()
begin
ct = dp_stati (dp, CTOUT)
if (ct == NULL) {
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
return
}
do i = 1, npts {
call mw_c2trand (ct, double (xin[i]), double (yin[i]), xt, yt)
xout[i] = xt
yout[i] = yt
}
end
# DP_LTOP -- Convert coordinates from the logical coordinate system to the
# output coordinate system.
procedure dp_ltop (dp, xin, yin, xout, yout, npts)
pointer dp # the apphot package descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
double xt, yt
pointer ct
int i
int dp_stati()
begin
ct = dp_stati (dp, CTPSF)
if (ct == NULL) {
call amovr (xin, xout, npts)
call amovr (yin, yout, npts)
return
}
do i = 1, npts {
call mw_c2trand (ct, double (xin[i]), double (yin[i]), xt, yt)
xout[i] = xt
yout[i] = yt
}
end
# DP_LTOV -- Convert coordinate from the logical coordinate system to the
# output coordinate system.
procedure dp_ltov (im, xin, yin, xout, yout, npts)
pointer im # the input image descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
int i, index1, index2
begin
index1 = IM_VMAP(im,1)
index2 = IM_VMAP(im,2)
do i = 1, npts {
xout[i] = xin[i] * IM_VSTEP(im,index1) + IM_VOFF(im,index1)
yout[i] = yin[i] * IM_VSTEP(im,index2) + IM_VOFF(im,index2)
}
end
# DP_VTOL -- Convert coordinate from the tv coordinate system to the
# logical coordinate system.
procedure dp_vtol (im, xin, yin, xout, yout, npts)
pointer im # the input image descriptor
real xin[ARB] # the input x coordinate
real yin[ARB] # the input y coordinate
real xout[ARB] # the output x coordinate
real yout[ARB] # the output y coordinate
int npts # the number of coordinates to convert
int i, index1, index2
begin
index1 = IM_VMAP(im,1)
index2 = IM_VMAP(im,2)
do i = 1, npts {
xout[i] = (xin[i] - IM_VOFF(im,index1)) / IM_VSTEP(im,index1)
yout[i] = (yin[i] - IM_VOFF(im,index2)) / IM_VSTEP(im,index2)
}
end
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