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C ==========================================================================
C =
C FTVMARK -- Example fortran program showing the use of the Client =
C Display Library (CDL) Fortran interface for doing graphics overlay. In =
C this simple program all input is prompted for on the command line. =
C =
C ==========================================================================
program ftvmark
include "../cdlftn.inc"
character*64 imname
character*132 imtdev
C --------------------------
C Initialize the CDL package
C --------------------------
call getenv('IMTDEV',imtdev)
call cfopen(imtdev, ier)
if (ier .gt. 0) then
write (*,*) 'open: Error return from CDL'
goto 999
endif
write (*, "('Image Name: ', $)")
read (5, *) imname
write (*, "('Frame Number: ', $)")
read (5, *) iframe
write (*, "('Frame buffer configuration number: ', $)")
read (5, *) ifb
C ----------------------------------------------------------
C If we've got a FITS format image, go ahead and display it.
C ----------------------------------------------------------
call cfisfits (imname, isfits)
if (isfits .gt. 0) then
call cfdisplayfits (imname, iframe, ifb, 1, ier)
if (ier .gt. 0) then
write (*,*) 'displayFITS: Error return from CDL'
goto 999
endif
else
C --------------------------------------------------------
C We've got an IRAF format image, go ahead and display it.
C --------------------------------------------------------
call cfisiraf (imname, isiraf)
if (isiraf .gt. 0) then
call cfdisplayiraf (imname, 1, iframe, ifb, 1, ier)
if (ier .gt. 0) then
write (*,*) 'displayIRAF: Error return from CDL'
goto 999
endif
else
C -------------------------------------------------------------
C No valid image given, so map the current display for marking.
C -------------------------------------------------------------
call cfmapframe (iframe)
endif
endif
C ---------------------------------------------------------------
C Now that we've got an image displayed or mapped, enter a cursor
C loop to mark the image. We do this in a subroutine so all the
C parameters needed are together.
C ---------------------------------------------------------------
call markInteractive ()
C -----------------
C Clean up and exit
C -----------------
999 continue
call cfclose (ier)
end
C =======================================================================
C =
C MARKINTERACTIVE -- Subroutine for processing the cursor loop. =
C =
C =======================================================================
subroutine markInteractive ()
include "../cdlftn.inc"
real angle, rx, ry, txsize
integer nx, ny, x, y, x2, y2, fill, size, color
integer number, radius, xrad, yrad, nannuli, sep
character key
character*64 cmd, str
C -----------------------------------------------------------------
C Allocate a 1024x1024 array for pixels. This is the largest frame
C buffer we support in this example task
C -----------------------------------------------------------------
character pix(1048576)
C --------------------------------
C Initialize the parameters to use
C --------------------------------
color = 205
size = 10
fill = 0
angle = 0.0
txsize = 1.0
number = 1
radius = 11
xrad = 11
yrad = 6
nannuli = 3
sep = 5
C ----------------------------------------------
C Read a cursor keystroke telling us what to do.
C ----------------------------------------------
10 call cfreadcursor (0, rx, ry, key, ier)
if (ier .gt. 0) then
write (*,*) 'cfreadCursor: Error return from CDL'
goto 998
endif
C ----------------------------------------------------------
C Round the real cursor position to integer pixel positions.
C ----------------------------------------------------------
x = nint (rx + 0.5)
y = nint (ry + 0.5)
C --------------------------------------------------------------
C Check the keystroke and take the appropriate action. Don't go
C looking for an error condition.
C --------------------------------------------------------------
C --------------
C Colon Commands
C --------------
if (key .eq. ':') then
C ----------------------------------------------
C Read a three character command and value field
C ----------------------------------------------
read (*,'(A3, i4)') cmd, ival
C -------------------------
C Process the colon command
C -------------------------
if (cmd(1:3) .eq. 'ang') then
angle = real (ival)
else if (cmd(1:3) .eq. 'col') then
color = ival
else if (cmd(1:3) .eq. 'fil') then
fill = ival
else if (cmd(1:3) .eq. 'num') then
number = ival
else if (cmd(1:3) .eq. 'nan') then
nannuli = ival
else if (cmd(1:3) .eq. 'lab') then
label = ival
else if (cmd(1:3) .eq. 'sep') then
sep = ival
else if (cmd(1:3) .eq. 'siz') then
size = ival
else if (cmd(1:3) .eq. 'txs') then
txsize = ival
else if (cmd(1:3) .eq. 'xra') then
xrad = ival
else if (cmd(1:3) .eq. 'yra') then
yraf = ival
else if (cmd(1:3) .eq. 'pri') then
call cfreadframebuffer (pix, nx, ny, ier)
call cfprintpix ("lpr", pix, nx, ny, 1, ier)
else if (cmd(1:3) .eq. 'sta') then
print 201, angle, color
print 202, fill, number
print 203, nannuli, sep
print 204, size, txsize
print 205, xrad, yrad
print 206, label
201 format ('angle = ',F5.3, t25, 'color = ',I5)
202 format ('fill = ',I5, t25, 'number = ',I5)
203 format ('nannuli = ',I5, t25, 'sep = ',I5)
204 format ('size = ',I5, t25, 'txsize = ',F5.3)
205 format ('xrad = ',I5, t25, 'yrad = ',I5)
206 format ('fill = ',I5)
endif
C -------------
C Point Markers
C -------------
else if (key .eq. 'p') then
call cfmarkpoint (x, y, 1, size, M_PLUS, color, ier)
else if (key .eq. 'x') then
call cfmarkpoint (x, y, 1, size, M_CROSS, color, ier)
else if (key .eq. '.') then
call cfmarkpoint (x, y, 1, size, M_POINT, color, ier)
else if (key .eq. '*') then
call cfmarkpoint (x, y, 1, size, M_STAR, color, ier)
else if (key .eq. '_') then
call cfmarkpoint (x, y, 1, size, M_HBLINE, color, ier)
else if (key .eq. '|') then
call cfmarkpoint (x, y, 1, size, M_VBLINE, color, ier)
else if (key .eq. 'o') then
call cfmarkpoint (x, y, 1, size, ior(M_CIRCLE,fill),
& color, ier)
else if (key .eq. 's') then
call cfmarkpoint (x, y, 1, size, ior(M_BOX,fill), color,
& ier)
else if (key .eq. 'v') then
call cfmarkpoint (x, y, 1, size, ior(M_DIAMOND,fill),
& color, ier)
C -------------
C Other Markers
C -------------
else if (key .eq. 'b') then
print '("Hit another key to define the box ....")'
call cfreadcursor (0, rx, ry, key, ier)
x2 = nint (rx + 0.5)
y2 = nint (ry + 0.5)
call cfmarkbox (x, y, x2, y2, fill, color, ier)
else if (key .eq. 'c') then
print '("Hit another key to set the radius ....")'
call cfreadcursor (0, rx, ry, key, ier)
x2 = nint (rx + 0.5)
y2 = nint (ry + 0.5)
radius = nint (sqrt (real((x2-x)**2 + (y2-y)**2)))
call cfmarkcircle (x, y, radius, fill, color, ier)
else if (key .eq. 'd') then
call cfdeletemark (x, y, ier)
else if (key .eq. 'e') then
call cfmarkellipse (x, y, xrad, yrad, angle, fill, color, ier)
else if (key .eq. 'l') then
print '("Hit another key to set line endpoint ....")'
call cfreadcursor (0, rx, ry, key, ier)
x2 = nint (rx + 0.5)
y2 = nint (ry + 0.5)
call cfmarkline (x, y, x2, y2, color, ier)
else if (key .eq. 't') then
print '("Test string: ", $)'
read (*,'(A64)') str
call cfmarktext (x, y, str, txsize, angle, color, ier)
else if (key .eq. 'C') then
call cfmarkcircannuli (x, y, radius, nannuli, sep, ier)
else if (key .eq. 'D') then
call cfclearoverlay (ier)
else if (key .eq. 'E') then
call cfmarkellipannuli (x, y, xrad, yrad, angle, nannuli,
& sep, ier)
C -------------
C Misc Commands
C -------------
else if (key .eq. '?') then
call printHelp ()
else if (key .eq. 'q') then
goto 998
endif
C Loop back until we want to quit
goto 10
998 continue
end
C =======================================================================
C =
C PRINTHELP -- Utility subroutine to print a help summary for the task. =
C =
C =======================================================================
subroutine printHelp ()
print '(" Command Summary")'
print '(" ")'
print '(" :angle <real> - set ellipse or text angle")'
print '(" :color <int> - set marker color")'
print '(" :fill <0|1> - set fill option (zero or one)")'
print '(" :number <int> - set point number")'
print '(" :nannuli <int> - set number of annuli")'
print '(" :label <0|1> - set point label option")'
print '(" :sep <int> - set annuli separation (pixels)")'
print '(" :size <int> - set point marker size")'
print '(" :txsize <real> - set relative text size")'
print '(" :xrad <int> - set ellipse x radius")'
print '(" :yrad <int> - set ellipse y radius")'
print '(" :status - print current settings")'
print '(" :snap <file> - snap frame buffer as EPS to file")'
print '(" :print - print FB to default printer")'
print '(" ")'
print '("Point Markers:")'
print '(" v - diamond mark p - plus mark x - cross mark")'
print '(" . - point mark * - star mark _ - horiz dash")'
print '(" | - vert dash o - circle mark s - square mark")'
print '(" ")'
print '("Misc. Commands")'
print '(" ? - Print Help q - Quit")'
print '(" b - Box c - Circle")'
print '(" d - Delete marker e - Ellipse marker")'
print '(" l - Line t - Text string")'
print '(" C - Circular annuli D - Delete all markers")'
print '(" E - Elliptical annuli")'
print '(" ")'
end
|
