# Last edited on 2010-04-26 01:46:15 by stolfilocal

VIEW := NO
PLOT := YES
SHOW := YES

# Ranges for gnuplots:
Z_MIN   := -1.5
Z_MAX   := +8.5
Z_STEP  := 2.0
G_MAX   := 4.0
ERR_MAX := 2.0
  

# ----------------------------------------------------------------------
# PROGRAMS:

SHELL =	/bin/sh

# EPS_VIEW := ghostview
EPS_VIEW := gv

FNI_VIEW := fni_view
FNI_TO_PNM := fni_to_pnm
FNI_PLOT := fni_plot

.PHONY:: \
  tidy \
  single-level \
  conv-slopes conv-weight conv-height \
  view-slopes view-weight view-height delete-views \
  show-slopes show-weight show-height delete-shows \
  plot-slopes plot-weight plot-height delete-plots

# all:
all: all-figs

# ====================================================================
# Cleanup

tidy: clean

clean::
	-/bin/rm -f *.{pgm,ppm,eps,png}
        
# ======================================================================
# File prefixes:

TEST_PREFIX := pyr
LEVELS := 00 01 02 03 04 05

all-figs: 
	@echo "TEST_PREFIX = ${TEST_PREFIX}"
	for lev in ${LEVELS} ; do \
          ${MAKE} LEVEL=$$lev single-level ; \
        done

# ========================================================================
# Recursive make - caller must define ${LEVEL}

ifneq "/${LEVEL}" "/"

IN_PREFIX := ${TEST_PREFIX}-${LEVEL}
OUT_PREFIX := ${IN_PREFIX}

IN_G_FNI := ${IN_PREFIX}-G.fni
IN_W_FNI := ${IN_PREFIX}-W.fni
IN_Z_FNI := ${IN_PREFIX}-Z.fni

# PGM/PPM versions of FNI files:
OUT_Z_PGM := ${OUT_PREFIX}-Z.pgm
OUT_W_PGM := ${OUT_PREFIX}-W.pgm
OUT_G_PPM := ${OUT_PREFIX}-G.ppm

# PNG versions of FNI files:
OUT_Z_PNG := ${OUT_PREFIX}-Z.png
OUT_W_PNG := ${OUT_PREFIX}-W.png
OUT_G_PNG := ${OUT_PREFIX}-G.png

# EPS plot files:
OUT_GX_PLEPS := ${OUT_PREFIX}-GX-plot.eps
OUT_GY_PLEPS := ${OUT_PREFIX}-GY-plot.eps
OUT_W_PLEPS  := ${OUT_PREFIX}-W-plot.eps
OUT_Z_PLEPS := ${OUT_PREFIX}-Z-plot.eps

# EPS images:
OUT_G_EPS := ${OUT_PREFIX}-G.eps
OUT_W_EPS := ${OUT_PREFIX}-W.eps
OUT_Z_EPS := ${OUT_PREFIX}-Z.eps

# Actions to perform:

CONV_ACTIONS := conv-slopes conv-weight conv-height

ifeq "/${VIEW}" "/YES"
  VIEWACTIONS :=  delete-views view-slopes view-weight view-height
else
  VIEWACTIONS :=  delete-views
endif

ifeq "/${SHOW}" "/YES"
  SHOWACTIONS :=  delete-shows show-slopes show-weight show-height
else
  SHOWACTIONS :=  delete-shows
endif

ifeq "/${PLOT}" "/YES"
  PLOTACTIONS :=  delete-plots plot-slopes plot-weight plot-height
else
  PLOTACTIONS :=  delete-plots
endif

single-level: ${CONV_ACTIONS} ${VIEW_ACTIONS} ${SHOW_ACTIONS} ${PLOT_ACTIONS} 

# ======================================================================
# 3D view of images with fni_view(1)

view-slopes: ${IN_G_FNI}
	fni_view \
            -channel 0 \
            -scale 5.0 \
            ${IN_G_FNI}

view-height: ${IN_Z_FNI}
	fni_view \
            -channel 0 \
            -scale 1.0 \
	    -texture ${IN_Z_FNI} \
            ${IN_Z_FNI}

view-weight: ${IN_W_FNI}
	fni_view \
            -channel 0 \
            -scale 1.0 \
	    ${IN_W_FNI}

delete-views: 

# ======================================================================
# Show image converted to PPM with fni_to_pnm

show-slopes: ${IN_G_FNI}
	fni_to_pnm \
            -channels 0 1 0 \
            -center 0 -uniform \
          < ${IN_G_FNI} \
          > ${OUT_G_PPM}
	-display -title '%f' -filter box -resize '400%' ${OUT_G_PPM}

show-weight: ${IN_W_FNI}
	fni_to_pnm \
            -channel 0 \
            -min 0 -max 1 \
          < ${IN_W_FNI} \
          > ${OUT_W_PPM}
	-display -title '%f' -filter box -resize '400%' ${OUT_W_PPM}

show-height: ${IN_Z_FNI}
	fni_to_pnm \
            -channel 0 \
            -min ${Z_MIN} -max ${Z_MAX} \
          < ${IN_Z_FNI} \
          > ${OUT_Z_PGM}
	-display -title '%f' -filter box -resize '400%' ${OUT_Z_PGM}

delete-shows: 
	/bin/rm -f ${OUT_Z_PGM} 
	/bin/rm -f ${OUT_G_PPM} 
	/bin/rm -f ${OUT_W_PPM}

# ======================================================================
# Convert FNI files to grayscale/color EPS images

Z_MIN_LEV := ${shell gawk -v n=${LEVEL} -v z=${Z_MIN} 'BEGIN { print z*exp(log(0.5)*n); }'} 
Z_MAX_LEV := ${shell gawk -v n=${LEVEL} -v z=${Z_MAX} 'BEGIN { print z*exp(log(0.5)*n); }'} 

conv-slopes: ${IN_G_FNI}
	fni_to_pnm \
            -channels 0 1 0 \
            -center 0 \
            -width ${G_MAX} / 0.5 \
          < ${IN_G_FNI} \
          | pnmdepth 255 \
          | pnmtopsx -noturn -scale 8.00 \
          > ${OUT_G_EPS}
	-display -filter box -resize '128x' ${OUT_G_EPS}

conv-weight: ${IN_W_FNI}
	fni_to_pnm \
            -channel 0 \
            -min 0 -max 1 \
            < ${IN_W_FNI} \
          | pnmdepth 255 \
          | pnmtopsx -noturn -scale 8.00 \
          > ${OUT_W_EPS}
	-display -filter box -resize '128x' ${OUT_W_EPS}

conv-height: ${IN_Z_FNI}
	fni_to_pnm \
            -channel 0 \
            -min ${Z_MIN_LEV} -max ${Z_MAX_LEV} \
            < ${IN_Z_FNI} \
          | pnmdepth 255 \
          | pnmtopsx -noturn -scale 8.00 \
          > ${OUT_Z_EPS}
	-display -filter box -resize '128x' ${OUT_Z_EPS}

# ======================================================================
# 3D Postscript plots of samples, with fni_plot(1)

plot-slopes: ${IN_G_FNI}
	fni_plot \
            -channel 0 -title "dZ/dX" \
            -range -${G_MAX} +${G_MAX} \
            < ${IN_G_FNI} \
            > ${OUT_GX_PLEPS} && \
          ${PSVIEW} ${OUT_GX_PLEPS}
	fni_plot \
            -channel 1 -title "dZ/dY" \
            -range -${G_MAX} +${G_MAX} \
            < ${IN_G_FNI} \
            > ${OUT_GY_PLEPS} && \
          ${PSVIEW} ${OUT_GY_PLEPS}

plot-weight: ${IN_W_FNI}
	fni_plot \
            -channel 0 -title "W" \
            -range -0.1 2.1 \
            -ztics 0.5 \
            < ${IN_W_FNI} \
            > ${OUT_W_PLEPS} && \
          ${PSVIEW} ${OUT_W_PLEPS}

plot-height: ${IN_Z_FNI}
	fni_plot \
            -channel 0 -title "Z" \
            -range ${Z_MIN} ${Z_MAX} \
            -ztics ${Z_STEP} \
            < ${IN_Z_FNI} \
            > ${OUT_Z_PLEPS} && \
          ${PSVIEW} ${OUT_Z_PLEPS}

delete-plots: 
	/bin/rm -f ${OUT_GX_PLEPS} ${OUT_GY_PLEPS}
	/bin/rm -f ${OUT_Z_PLEPS} 
	/bin/rm -f ${OUT_W_PLEPS}

# 
# End make with ${LEVEL}
######################################################################
endif