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photom.lisp
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photom.lisp
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;; photom.lisp -- Interactive stellar photometry
;; DM/MCFA 12/99
;;
(in-package "PHOTOMETRY")
;; set the colormap to grays
(defun init-colormap ()
(let ((r (vm:iramp 256)))
(plt:set-cmap r r r)))
(topgui:define-toplevel-app-interface interface-1 ()
((image :accessor interface-image :initform nil))
(:panes
(image-display
capi:output-pane
:accessor image-display
:cursor :crosshair
:input-model
'(
("Control-c" copy-to-clipboard)
("Left" move-left 1)
("Right" move-right 1)
("Up" move-up 1)
("Down" move-down 1)
("Control-left" move-left 10)
("Control-right" move-right 10)
("Control-up" move-up 10)
("Control-down" move-down 10)
(#\z set-ref-magnitude-from-kbd)
(:motion show-position)
((:button-3 :press) set-ref-magnitude)
;((:button-1 :motion) redraw-crosshairs)
;((:button-1 :release) undraw-crosshairs)
#|
(#\control-\c copy-to-clipboard)
(#\left move-left 1)
(#\right move-right 1)
(#\up move-up 1)
(#\down move-down 1)
(#\control-left move-left 10)
(#\control-right move-right 10)
(#\control-up move-up 10)
(#\control-down move-down 10)
(#\z set-ref-magnitude-from-kbd)
(:motion show-position)
((:button-3 :press) set-ref-magnitude)
;((:button-1 :motion) redraw-crosshairs)
;((:button-1 :release) undraw-crosshairs)
|#
)
:display-callback 'redisplay-image
:min-width 640
:min-height 480)
(color-bar-display
capi:output-pane
:accessor color-bar-display
:display-callback 'redraw-color-bar
:min-width 9
:max-width 9
:min-height 256
:max-height 256)
(magn-image-display
capi:output-pane
:accessor magn-image-display
;; :cursor :arrow
:min-width (* 11 8)
:max-width (* 11 8)
:min-height (* 11 8)
:max-height (* 11 8)
:display-callback 'draw-magn-frame-fiducials)
(x-display-title
capi:title-pane
:accessor x-display-title
:text "X Position")
(x-display
capi:title-pane
:accessor x-display
:foreground :white
:background :gray50
:min-width 50
:max-width 50)
(y-display-title
capi:title-pane
:accessor y-display-title
:text "Y Position")
(y-display
capi:title-pane
:accessor y-display
:foreground :white
:background :gray50
:min-width 50
:max-width 50)
(z-display-title
capi:title-pane
:accessor z-display-title
:text "Z Value")
(z-display
capi:title-pane
:accessor z-display
:foreground :white
:background :gray50
:min-width 50
:max-width 50)
(bg-display-title
capi:title-pane
:accessor bg-display-title
:text "BG Median")
(bg-display
capi:title-pane
:accessor bg-display
:foreground :white
:background :gray50
:min-width 50
:max-width 50)
(m-display-title
capi:title-pane
:accessor m-display-title
:text "Magnitude")
(m-display
capi:title-pane
:accessor m-display
:foreground :white
:background :gray50
:min-width 50
:max-width 50)
(offset-slider
capi:slider
:accessor offset-slider
:start 0
:end 500
:slug-start 0
:min-width 200
:max-width 200
:callback 'slider-refresh-image
:title "Offset")
(range-slider
capi:slider
:accessor range-slider
:start 0
:end 500
:slug-start 500
:min-width 200
:max-width 200
:callback 'slider-refresh-image
:title "Range")
(neg-button
capi:check-button
:accessor neg-button
:text "Negative"
:selection-callback 'refresh-image
:retract-callback 'refresh-image
:min-width 80
:max-width 80
:enabled t)
(logscale-button
capi:check-button
:accessor logscale-button
:selection-callback 'refresh-image
:retract-callback 'refresh-image
:text "Log Scale"
:min-width 80
:max-width 80
:enabled t)
)
(:layouts
(row-layout-1
capi:row-layout
'(image-display
color-bar-display
column-layout-1))
(column-layout-1
capi:column-layout
'(row-layout-3 ;; magn image + readouts
row-layout-4 ;; check boxes
offset-slider
range-slider
))
(row-layout-3
capi:row-layout
'(magn-image-display
column-layout-2
column-layout-3))
(column-layout-2
capi:column-layout
'(x-display-title
y-display-title
z-display-title
bg-display-title
m-display-title))
(column-layout-3
capi:column-layout
'(x-display
y-display
z-display
bg-display
m-display))
(row-layout-4
capi:row-layout
'(neg-button
logscale-button)))
(:menu-bar menu-1)
(:menus
(menu-1
"File"
(("Open Image..." :selection-callback 'get-image)
("Exit" :selection-callback 'kill-interface))))
(:default-initargs
:layout 'row-layout-1
:title "Stellar Photometry"
))
(defun kill-interface (data intf)
(declare (ignore data))
(capi:destroy intf))
#|
(defvar *bullseye-cursor*
(lazy:make (plt:load-cursor-from-file "bullseye.cur")))
(defun photom ()
(labels
((startup (intf)
(init-colormap)
(let* ((pane (image-display intf))
(repr (slot-value pane 'capi-internals:representation)))
(setf (slot-value repr 'capi-win32-lib::cursor)
#|(lazy:force *bullseye-cursor*)|#
:cross))
))
(topgui:run-toplevel-app-interface 'interface-1
:after #'startup)))
|#
(defun photom ()
(labels
((startup (intf)
(init-colormap)
))
(topgui:run-toplevel-app-interface 'interface-1
:after #'startup)))
(defun copy-to-clipboard (&rest args)
(declare (ignore args))
(plt:copy-graphic-to-clipboard)
(capi:display-message "image captured"))
(defclass <image-array-x> ()
((data :accessor image-array-arena :initarg :arena)
(tint :accessor integration-time :initarg :tint)))
(defun make-image-x (arr tint)
(if (= (ca:carray-rank arr) 2)
(if (ca:is-float-array arr)
(make-instance '<image-array-x>
:arena arr
:tint (or tint 1.0))
(let ((xarr (ca:convert-to-float arr :type :float)))
(ca:discard-carray arr)
(make-image-x xarr tint)))
(progn
(ca:discard-carray arr)
(error "flat 2-D array required"))))
#|
(defmethod img:make-similar ((a <image-array-x>) arr)
(make-instance '<image-array-x>
:arena arr
:tint (integration-time a)))
|#
(defun set-window-title (intf str)
(setf (capi:interface-title intf) str))
(defun set-interface-image (intf img)
(setf (interface-image intf) img))
(defun select-kth (vec ixs k left right)
(declare
#+:lispworks
(optimize (debug 1) (speed 3) (safety 0)) ;; what is this trying to achieve?
(type fixnum k left right)
(type (array fixnum 1) ixs))
(ca:with-row-major-access (p vec)
(labels ((ind-aref (ix)
;; Corman Lisp does not yet handle DECLARE inside of (LABELS ...) (v/1.5 12/01)
#-:cormanlisp
(declare (type fixnum ix))
(fli:dereference p :index (aref ixs ix))))
(let ((l left)
(r right))
(declare (type fixnum l r))
(tagbody
again-1
(let ((v (ind-aref k))
(i l)
(j r))
(declare (type fixnum i j))
(tagbody
again-2
(let ((ip (do ((ix i (1+ ix)))
((<= v (ind-aref ix)) ix)
(declare (type fixnum ix))
))
(jp (do ((ix j (1- ix)))
((>= v (ind-aref ix)) ix)
(declare (type fixnum ix))
)))
(declare (type fixnum ip jp))
(if (<= ip jp)
(let ((ipp (1+ ip))
(jpp (1- jp)))
(declare (type fixnum ipp jpp))
(rotatef (aref ixs ip) (aref ixs jp))
(setf i ipp
j jpp)
(if (<= ipp jpp)
(go again-2)))
(setf i ip
j jp))
))
(if (< j k) (setf l i))
(if (< k i) (setf r j))
(if (< l r) (go again-1))
)))
(values (ind-aref k) ixs))))
(defun percentiles (arr)
(let* ((len (ca:carray-total-size arr))
(limit (1- len))
(ixs (vm:iramp len))
(n50 (round (* 50 limit) 100))
(n01 (round limit 100))
(n05 (round (* 5 limit) 100))
(n10 (round (* 10 limit) 100))
(n25 (round (* 25 limit) 100))
(n75 (round (* 75 limit) 100))
(n90 (round (* 90 limit) 100))
(n95 (round (* 95 limit) 100))
(n99 (round (* 99 limit) 100))
(pc50 (select-kth arr ixs n50 0 limit))
(pc25 (select-kth arr ixs n25 0 n50))
(pc10 (select-kth arr ixs n10 0 n25))
(pc05 (select-kth arr ixs n05 0 n10))
(pc01 (select-kth arr ixs n01 0 n05))
(pc75 (select-kth arr ixs n75 n50 limit))
(pc90 (select-kth arr ixs n90 n75 limit))
(pc95 (select-kth arr ixs n95 n90 limit))
(pc99 (select-kth arr ixs n99 n95 limit)))
(list
:pc01 pc01
:pc05 pc05
:pc10 pc10
:pc25 pc25
:pc50 pc50
:pc75 pc75
:pc90 pc90
:pc95 pc95
:pc99 pc99)))
(defun set-slider-bounds (intf img)
(let* ((pcs (percentiles (image-array-arena img)))
(pc01 (truncate (getf pcs :pc01)))
(pc99 (max (truncate (getf pcs :pc99))
(+ pc01 500)))
(range (* 2 (- pc99 pc01)))
(offset-slider (offset-slider intf))
(range-slider (range-slider intf)))
(setf (capi:range-end range-slider) range
(capi:range-end offset-slider) pc99
(capi:range-slug-start offset-slider) pc01
(capi:range-slug-start range-slider) range)))
(defmethod float-value (v &optional (default 1.0))
(declare (ignore v))
default)
(defmethod float-value ((v number) &optional default)
(declare (ignore default))
(float v))
(defmethod float-value ((v string) &optional default)
(declare (ignore default))
(float (read-from-string v)))
#+:LISPWORKS4.2
(defun get-image (data intf)
(handler-case
(multiple-value-bind (img attrs fname)
(scids:getvar :attrs '("exptime") :fast t)
(let* ((arr (sa:make-variant-carray img))
(tint (float-value (first attrs)))
(ximg (make-image-x arr tint)))
(set-interface-image intf ximg) ;; (img:flipv ximg))
(set-window-title intf (namestring fname))
(set-slider-bounds intf ximg)
(refresh-image data intf)))
(scids:USER-CANCEL ())))
#-:LISPWORKS4.2
(defun get-image (data intf)
(handler-case
(multiple-value-bind (img attrs fname)
(scids:getvar :attrs '("exptime"))
(let* ((arr (ca:make-carray :float (array-dimensions img)))
(tint (float-value (first attrs)))
(ximg (make-image-x arr tint)))
(ca:copy-lisp-array-to-float-carray img arr)
(set-interface-image intf ximg) ;; (img:flipv ximg))
(set-window-title intf (namestring fname))
(set-slider-bounds intf ximg)
(refresh-image data intf)))
(scids:USER-CANCEL ())))
(defvar *color-bar*
;; allocate only once an use over and over again...
(let ((img (ca:make-carray :float '(256 9))))
(dotimes (iy 256)
(dotimes (ix 9)
(setf (ca:caref img iy ix) (float iy))))
img))
(defun redraw-color-bar (pane &rest args)
(declare (ignore args))
(plt:direct-redraw pane))
(defun draw-color-bar (intf)
(let ((wpane (color-bar-display intf)))
(plt:wset wpane)
(let ((neg-img (capi:button-selected (neg-button intf))))
(plt:tvscl *color-bar* :neg neg-img))
))
(defvar *magnification* 2)
(defun draw-image-display (intf img)
(let ((wpane (image-display intf))
(offs-pane (offset-slider intf))
(range-pane (range-slider intf))
(negate-button (neg-button intf))
(logscale-button (logscale-button intf)))
(plt:window wpane)
(plt:clear wpane)
(let* ((display-min (capi:range-slug-start offs-pane))
(display-max (+ display-min
(capi:range-slug-start range-pane)))
(neg-img (capi:button-selected negate-button))
(use-log (capi:button-selected logscale-button)))
(if use-log
(show-log-stretch img
display-min
display-max
neg-img)
(show-linear-stretch img
display-min
display-max
neg-img)))
))
(defmacro with-fast-unsafe-code (&body body)
`(locally
(declare (optimize (speed 3)
(safety 0)
(debug 0)))
,@body))
(defun show-log-stretch (img minv maxv neg)
(let* ((arr (image-array-arena img))
(minv (float minv))
(maxv (float maxv))
(fn #'(lambda (v)
(declare (type float v))
(log (max 1.0 (- v minv))))
))
(declare (type float minv maxv))
(ca:with-dynamic-carray (ximg :float
(ca:carray-dimensions arr))
(ca:with-row-major-access (pdst ximg)
(ca:with-row-major-access (psrc arr)
(dotimes (ix (ca:carray-total-size ximg))
(setf (fli:dereference pdst :index ix)
(funcall fn (fli:dereference psrc :index ix))))
))
(plt:tvscl ximg
:range (list 0 (funcall fn maxv))
:magn *magnification*
:neg neg))
))
(defun show-linear-stretch (img minv maxv neg)
(plt:tvscl (image-array-arena img)
:range (list minv maxv)
:magn *magnification*
:neg neg))
(defun slider-refresh-image (slider val action)
(when (eq action :move)
(refresh-image val (slot-value slider 'capi:interface))))
(defun refresh-image (data intf)
(declare (ignore data))
(let ((img (interface-image intf)))
(when img
(draw-color-bar intf)
(draw-image-display intf img))))
(defun redisplay-image (pane &rest args)
(declare (ignore args))
(plt:direct-redraw pane))
(defvar *sub-image*
;; allocate once and use over and over again...
(ca:make-carray :float '(11 11)))
(um:defun* get-subimage-centered (arr (ctrx ctry))
(destructuring-bind (dimy dimx)
(ca:carray-dimensions arr)
(let* ((minval (ca:caref arr ctry ctrx))
(maxval minval))
(declare (type float minval maxval))
(if (and (< 4 ctry (- dimy 5))
(< 4 ctrx (- dimx 5)))
(loop for iy from (- ctry 5) to (+ ctry 5)
and jy from 0 below 11 do
(loop for ix from (- ctrx 5) to (+ ctrx 5)
and jx from 0 below 11 do
(let ((v (ca:caref arr iy ix)))
(declare (type float v))
(setf minval (min minval v)
maxval (max maxval v))
(setf (ca:caref *sub-image* jy jx) v))))
(let ((rpos -1)
(rvec #.(make-array 121)))
(loop for iy from (- ctry 5) to (+ ctry 5)
and jy from 0 below 11 do
(loop for ix from (- ctrx 5) to (+ ctrx 5)
and jx from 0 below 11 do
(if (and (< -1 iy dimy)
(< -1 ix dimx))
(let ((v (ca:caref arr iy ix)))
(declare (type float v))
(setf minval (min minval v)
maxval (max maxval v))
(setf (ca:caref *sub-image* jy jx) v))
(let ((pos (+ jx (* 11 jy))))
(setf (aref rvec pos) rpos)
(setf rpos pos)))
))
(ca:with-row-major-access (p *sub-image*)
(do ((rpos rpos))
((minusp rpos))
(let ((rpos2 (aref rvec rpos)))
(setf (fli:dereference p :index rpos) minval)
(setf rpos rpos2))
))
))
(values *sub-image* minval maxval)
)))
(defun show-magnified-selection (intf img x y #|med|# )
(let* ((pane (magn-image-display intf))
(arr (image-array-arena img))
(negate-button (neg-button intf))
(neg-img (capi:button-selected negate-button)))
(multiple-value-bind (ximg minval maxval)
(get-subimage-centered arr (list y x))
(plt:wset pane)
(plt:tvscl ximg
:magn 8
:range (list minval
(max (ca:caref ximg 5 5) ;; pick out ctr pixel
(+ 100 (/ (+ minval maxval) 2)))) ;; + med 100)))
:neg neg-img)
)))
(defun draw-magn-frame-fiducials (pane x y width height)
(declare (ignore x y width height))
(plt:direct-redraw pane)
(gp:with-graphics-state (pane :operation boole-1
:foreground :red)
(gp:draw-line pane 0 43 38 43)
(gp:draw-line pane 48 43 87 43)
(gp:draw-line pane 43 0 43 38)
(gp:draw-line pane 43 48 43 87)
(gp:draw-rectangle pane 23 23 40 40)
(gp:draw-circle pane 43 43 10)))
(defparameter *wmask*
(let ((mask nil))
;; a list of (iy ix) index pairs defining the "moat"
(loop for iy from -20 to 20 do
(let ((ysq (* iy iy)))
(loop for ix from -20 to 20 do
(if (> (+ (* ix ix) ysq) #.(* 24 24)) ;; gives 112 pts
(push (list iy ix) mask))
)))
mask))
(defparameter *moat*
(make-array (length *wmask*)
:element-type 'float))
(defun compute-moat-median (img ctry ctrx)
(let ((arr (image-array-arena img)))
(destructuring-bind (dimy dimx) (ca:carray-dimensions arr)
(let* ((moat (let ((cnt 0))
(if (and (< 19 ctry (- dimy 20))
(< 19 ctrx (- dimx 20)))
(loop for (iy ix) in *wmask* do
(let ((ypos (+ iy ctry))
(xpos (+ ix ctrx)))
(setf (aref *moat* cnt)
(ca:caref arr ypos xpos))
(incf cnt)))
(loop for (iy ix) in *wmask* do
(let ((ypos (+ iy ctry))
(xpos (+ ix ctrx)))
(when (and (< -1 ypos dimy)
(< -1 xpos dimx))
(setf (aref *moat* cnt)
(ca:caref arr ypos xpos))
(incf cnt))
)))
(make-array cnt
:displaced-to *moat*
:element-type 'float)))
(med (vm:median moat))
(tot (let ((tot 0))
(if (and (< 4 ctry (- dimy 5))
(< 4 ctrx (- dimx 5)))
(loop for iy from (- ctry 5) to (+ ctry 5) do
(loop for ix from (- ctrx 5) to (+ ctrx 5) do
(incf tot (max 0 (- (ca:caref arr iy ix) med)))
))
(loop for iy from (- ctry 5) to (+ ctry 5) do
(loop for ix from (- ctrx 5) to (+ ctrx 5) do
(when (and (< -1 iy dimy)
(< -1 ix dimx))
(incf tot (max 0 (- (ca:caref arr iy ix) med))))
)))
tot)))
(values med tot))
)))
(defvar *ref-magn* (+ 14.31 -0.84 0.89 -1.83 0.12))
(defun set-bgmed-display (intf med)
(setf (capi:title-pane-text (bg-display intf))
(format nil "~D" (round med))))
(defun compute-magnitude (x y img intf)
(show-magnified-selection intf img x y)
(multiple-value-bind (med tot)
(compute-moat-median img y x)
(set-bgmed-display intf med)
(if (plusp tot)
(+ (* -2.5 (- (log tot 10)
(log (integration-time img) 10)))
*ref-magn*)
99)))
(defparameter *lastx* 0)
(defparameter *lasty* 0)
(defun set-ref-magnitude-from-kbd (pane &rest args)
(declare (ignore args))
(set-ref-magnitude pane *lastx* *lasty*))
#|
(defun cvt-display-to-image-coords (img x y)
(let ((ylimit (ca:carray-dimension (image-array-arena img) 0)))
(values (truncate x *magnification*)
(truncate (- (* ylimit *magnification*) 1 y) *magnification*))))
|#
(defun cvt-display-to-image-coords (img x y)
(declare (ignore img))
(values (truncate x *magnification*)
(truncate y *magnification*)))
(defun set-ref-magnitude (pane x y)
(setf *lastx* x
*lasty* y)
(let* ((intf (capi:element-interface pane))
(img (interface-image intf)))
(when img
(multiple-value-bind (x y) (cvt-display-to-image-coords img x y)
(let* ((magn (compute-magnitude x y img intf))
(user-magn (capi:prompt-for-string
"Enter reference magnitude"
:initial-value (format nil "~,2F" magn))))
(when user-magn
(setf *ref-magn* (+ *ref-magn*
(- (float-value user-magn) magn))))
)))))
(defun set-x-display (intf x)
(setf (capi:title-pane-text (x-display intf))
(format nil "~D" x)))
(defun set-y-display (intf y)
(setf (capi:title-pane-text (y-display intf))
(format nil "~D" y)))
(defun set-z-display (intf z)
(setf (capi:title-pane-text (z-display intf))
(format nil "~D" (round z))))
(defun set-m-display (intf m)
(setf (capi:title-pane-text (m-display intf))
(format nil "~,2F" m)))
(defun clear-z-display (intf)
(setf (capi:title-pane-text (z-display intf)) ""))
(defun clear-m-display (intf)
(setf (capi:title-pane-text (m-display intf)) ""))
(defun show-position (pane x y)
(setf *lastx* x
*lasty* y)
(let* ((intf (capi:element-interface pane))
(img (interface-image intf)))
(when img
(let* ((a (image-array-arena img))
(xlim (1- (ca:carray-dimension a 1)))
(ylim (1- (ca:carray-dimension a 0))))
(multiple-value-bind (x y) (cvt-display-to-image-coords img x y)
(set-x-display intf x)
(set-y-display intf y)
(if (and (>= x 0)
(<= x xlim)
(>= y 0)
(<= y ylim))
(progn
(set-z-display intf (ca:caref a y x))
(set-m-display intf (compute-magnitude x y img intf)))
(progn
(clear-z-display intf)
(clear-m-display intf)))
)))))
(defun adjust-cursor (dx dy)
(fli:with-dynamic-foreign-objects ()
(let ((pos (fli:allocate-dynamic-foreign-object
:type :int
:nelems 2)))
(win32:get-cursor-pos pos)
(win32:set-cursor-pos (+ dx (fli:dereference pos :index 0))
(+ dy (fli:dereference pos :index 1)))
)))
(labels
((move-cursor (pane x y dx dy)
(let ((dx (* dx *magnification*))
(dy (* dy *magnification*)))
(show-position pane (+ x dx) (+ y dy))
(adjust-cursor dx dy))))
(defun move-up (pane x y key data)
(declare (ignore key))
(move-cursor pane x y 0 (- data)))
(defun move-down (pane x y key data)
(declare (ignore key))
(move-cursor pane x y 0 data))
(defun move-left (pane x y key data)
(declare (ignore key))
(move-cursor pane x y (- data) 0))
(defun move-right (pane x y key data)
(declare (ignore key))
(move-cursor pane x y data 0)))
;; ----------------------------------------------------------
;; -- end of photom.lisp -- ;;