On Wed, 8 Oct 2014 13:14:31 +0200 Marius Loots sent us his pto file to
stitch Bugbear's images (of a map of Norwich, I think).
I too was impressed by the quality of Marius's result. I wondered if it
was attributable to his workflow, or to his new set of control points.
I therefore generated a new set of my own and stitched that by the
method I have described (map 2.pto, attached). Now I can't find any
stitching glitches at all, though heaven knows they can suddenly catch
one's eye later, however well one thinks one has searched for them at
the time and found none. So I suppose the moral is the rather trite one
that you can use what workflow you feel comfortable with, but a good set
of control points is the rock on which the stitch is based.
Thanks to Paul for getting us thinking about this interesting topic. I
owe to his original posting in June my appreciation of the importance of
defining horizontal and vertical control points when stitching
photomosaics in Hugin.
Roger
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# hugin project file
#hugin_ptoversion 2
p f0 w5832 h3015 v94 E0 R0 S770,5363,65,2189 n"TIFF_m c:LZW"
m g1 i0 m2 p0.00784314
# image lines
#-hugin cropFactor=1
i w3264 h2448 f0 v50.7632193900713 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1
r-0.654628500319162 p1.16710879447333 y18.2974968604159 TrX-0.757304035297328
TrY-0.00744996609493187 TrZ-0.00579916661818881 j0 a0.00869745432418857
b-0.0323855150927566 c0 d-11.8766148522109 e58.5382589535446 g0 t0 Va1 Vb0 Vc0
Vd0 Vx0 Vy0 Vm5 n"skew_left.jpg"
#-hugin cropFactor=1
i w3264 h2448 f0 v=0 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1 r-2.11379592932634
p1.95068345078782 y-20.0332951571162 TrX0.828965268413364 TrY0.0169641064309847
TrZ0.0107018096734858 j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va1 Vb0 Vc0 Vd0 Vx0 Vy0
Vm5 n"skew_right.jpg"
#-hugin cropFactor=1
i w3264 h2448 f0 v=0 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1 r-0.55065251421002
p1.08987673121098 y1.42341220821078 TrX-0.606858469210147 TrY0.0238852655241
TrZ0.00770875055537733 j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va1 Vb0 Vc0 Vd0 Vx0 Vy0
Vm5 n"sq_left.jpg"
#-hugin cropFactor=1
i w3264 h2448 f0 v=0 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1 r0.298293621820649
p0.467936199029826 y1.43944183475996 TrX0 TrY0 TrZ0 j0 a=0 b=0 c=0 d=0 e=0 g=0
t=0 Va1 Vb0 Vc0 Vd0 Vx0 Vy0 Vm5 n"sq_mid.jpg"
#-hugin cropFactor=1
i w3264 h2448 f0 v=0 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1 r-1.06014986474701
p0.432130012602806 y1.58663632713261 TrX0.469899686091651
TrY-0.0431761088968844 TrZ0.0013781519117088 j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va1
Vb0 Vc0 Vd0 Vx0 Vy0 Vm5 n"sq_right.jpg"
# specify variables that should be optimized
v v0
v r0
v p0
v y0
v TrX0
v TrY0
v TrZ0
v a0
v b0
v d0
v e0
v r1
v p1
v y1
v TrX1
v TrY1
v TrZ1
v r2
v p2
v y2
v TrX2
v TrY2
v TrZ2
v r3
v p3
v y3
v r4
v p4
v y4
v TrX4
v TrY4
v TrZ4
v
# control points
c n0 N2 x1999 y823 X2556.86107478715 Y685.91700832383 t0
c n0 N2 x1473 y184 X1978.97104784782 Y61.1576950487829 t0
c n0 N2 x2089 y2002 X2672.01012367793 Y1937.87852546917 t0
c n0 N2 x2331 y1613 X2949.83169374236 Y1527.459858917 t0
c n0 N2 x2395 y1461 X3024.86016969004 Y1363.73641661815 t0
c n0 N2 x2263 y507 X2857.61475619305 Y336.739007689988 t0
c n0 N2 x1958 y1658 X2521.94218043711 Y1566.27821177774 t0
c n0 N2 x1514 y1769 X2042.69630830747 Y1670.85140694517 t0
c n0 N2 x2419 y1217 X3051.92469129166 Y1098.08030113157 t0
c n0 N2 x2179 y701 X2761.95445451074 Y549.43208490243 t0
c n0 N2 x1972 y1319 X2535.0195446393 Y1209.06584883477 t0
c n0 N2 x2542 y1087 X3198.34572633399 Y952.175133315117 t0
c n0 N2 x2133 y291 X2702.29953913964 Y116.321360570418 t0
c n0 N2 x1831 y362 X2367.00317474219 Y215.61333483867 t0
c n0 N2 x1398 y633 X1909.32653827115 Y518.804943156034 t0
c n0 N2 x2163 y1395 X2752.73972493495 Y1290.02762065979 t0
c n0 N2 x1275 y2223 X1793.23897140021 Y2122.93453956173 t0
c n0 N2 x2179 y959 X2765 Y824 t0
c n0 N2 x2410 y1829 X3046.38053175575 Y1765.87488556933 t0
c n0 N2 x988 y1664 X1503.60340016162 Y1552.63490054159 t0
c n0 N2 x2537 y2129 X3203.28744433498 Y2106.21042497979 t0
c n0 N2 x2045 y425 X2605.06599801985 Y265.507312160382 t0
c n0 N2 x1636 y566 X2159.74609209969 Y437.911680384865 t0
c n0 N2 x1181 y246 X1678.82301277462 Y147.826333871564 t0
c n1 N4 x2298 y457 X2205.43843299616 Y547.916040480872 t0
c n1 N4 x2004 y1066 X1905.17375875816 Y1161.83051963974 t0
c n1 N4 x2170 y517 X2072.64469323161 Y599.196271001953 t0
c n1 N4 x2161 y1345 X2070.43928882425 Y1448.94114410391 t0
c n1 N4 x2312 y562 X2221.04579520157 Y656.083716809115 t0
c n1 N4 x2022 y1331 X1927.4226472024 Y1436.04612266078 t0
c n1 N4 x2315 y759 X2226.99893530608 Y857.238022429671 t0
c n1 N4 x2221 y264 X2122.15424801531 Y341.568082165652 t0
c n1 N4 x1663 y1104 X1538.78421820693 Y1198.04134712817 t0
c n1 N4 x2004 y1700 X1914.30808364618 Y1814.27209149554 t0
c n1 N4 x1806 y988 X1692.62243650898 Y1076.23130695219 t0
c n1 N4 x1867 y1419 X1766.13863689233 Y1530.29665840884 t0
c n1 N4 x1876 y1524 X1777.85761273048 Y1638.21262175973 t0
c n1 N4 x2177 y1488 X2088.74362194962 Y1592.84293217562 t0
c n1 N4 x2172 y430 X2073.36113595992 Y509.168359057225 t0
c n1 N4 x1815 y1574 X1712.68356146002 Y1692.88281546468 t0
c n1 N4 x1863 y1691 X1765.17251520654 Y1812.05025661504 t0
c n1 N4 x2140 y1561 X2052.18769188351 Y1667.90677251177 t0
c n1 N4 x2008 y644 X1904.81660851818 Y720.253828298315 t0
c n1 N4 x2038 y1836 X1951.27103064221 Y1950.80746335532 t0
c n1 N4 x2453 y508 X2356.41517465115 Y610.765190511527 t0
c n1 N4 x2327 y655 X2237.88980824593 Y752.20325101171 t0
c n1 N4 x2073 y1745 X1986.84582046052 Y1856.12913447241 t0
c n1 N4 x2198 y1788 X2113.7618813482 Y1892.73176803957 t0
c n1 N4 x2291 y701 X2201.77501346546 Y797.123959901082 t0
c n3 N4 x2219 y785 X584.210622444349 Y916.247705349107 t0
c n3 N4 x2469 y985 X836.610048668064 Y1119.02426141649 t0
c n3 N4 x2677 y1148 X1045.36699357297 Y1288.14663706537 t0
c n3 N4 x2172 y1173 X529.33550904338 Y1303.97636472377 t0
c n3 N4 x2637 y985 X1008.79737377895 Y1120.81321292672 t0
c n3 N4 x2121 y1169 X478.878616464923 Y1298.71995490741 t0
c n3 N4 x2787 y530 X1189.38881907031 Y652.960988867265 t0
c n3 N4 x2542 y1160 X905.781959195694 Y1297.7574604329 t0
c n3 N4 x2605 y566 X990.321744700934 Y692.034690890341 t0
c n3 N4 x2179 y897 X543.145774779466 Y1028.65257968356 t0
c n3 N4 x2393 y716 X755.724436048708 Y847.083085992525 t0
c n3 N4 x2479 y773 X847.393516038918 Y904.033650682778 t0
c n3 N4 x2135 y1191 X492.440897236999 Y1321.01241010717 t0
c n3 N4 x2137 y930 X500.831869703136 Y1061.13166384936 t0
c n3 N4 x2025 y245 X428.913958024063 Y373.313254413653 t0
c n3 N4 x2291 y956 X655.324303152011 Y1088.12785863237 t0
c n3 N4 x2188 y488 X571.152596197313 Y617.082870705726 t0
c n3 N4 x2491 y1090 X855.995186459235 Y1225.61981630489 t0
c n3 N4 x2364 y1013 X728.443109988145 Y1146.04434582075 t0
c n2 N3 x2707 y1828 X636.937944780528 Y1878.65620911942 t0
c n2 N3 x2752 y1159 X669.167137227616 Y1193.03370331353 t0
c n2 N3 x2535 y1406 X442.495787328114 Y1448.76381573685 t0
c n2 N3 x2493 y1443 X398.086979350565 Y1486.45911576566 t0
c n2 N3 x2608 y792 X515.346157613436 Y822.051303738907 t0
c n2 N3 x2650 y1356 X563.090513648168 Y1396.79794915373 t0
c n2 N3 x2135 y1667 X55.7643421298036 Y1710.90867688158 t0
c n2 N3 x2623 y1334 X534.054172886612 Y1374.4305043704 t0
c n2 N3 x2586 y1136 X492.538252874288 Y1173.79998932514 t0
c n2 N3 x2522 y1566 X431.674771546202 Y1610.71753275087 t0
c n2 N3 x2684 y1169 X596.938146772331 Y1205.11504640428 t0
c n2 N3 x2803 y1142 X723.992103875282 Y1174.06636647752 t0
c n2 N3 x2760 y1494 X682.00408684159 Y1536.83018453028 t0
c n2 N3 x2450 y1140 X347.041896693726 Y1181.24841191084 t0
c n2 N3 x2916 y1432 X846.949402814206 Y1472.35390944096 t0
c n2 N3 x2462 y702 X362.811886505841 Y737.359224460955 t0
c n0 N3 x2070 y1107 X553.283799828333 Y1016.20036395282 t0
c n0 N3 x2123 y1735 X633.797966407929 Y1699.72769579927 t0
c n0 N3 x2018 y1251 X492.549860065799 Y1174.84894923818 t0
c n0 N3 x1828 y1044 X262.755077376663 Y964.149266264371 t0
c n0 N3 x2082 y1038 X567 Y941 t0
c n0 N3 x2105 y1281 X598 Y1204 t0
c n0 N3 x1958 y1658 X431.511972830163 Y1610.96919590255 t0
c n0 N3 x1897 y1253 X347.498740174043 Y1181.0440359595 t0
c n0 N3 x2207 y1256 X723.160438408431 Y1174.02300878838 t0
c n0 N3 x1929 y966 X381.809634664813 Y875.304723788416 t0
c n0 N3 x1865 y1444 X310.032914313055 Y1383.146800905 t0
c n1 N3 x1312 y1230 X2749.80492881817 Y1189.13778513053 t0
c n1 N3 x1252 y1192 X2676.75843487967 Y1148.88830739264 t0
c n1 N3 x1197 y1235 X2613.62585333123 Y1196.27634597037 t0
c n1 N3 x1385 y618 X2792.15284513074 Y527.927940267572 t0
c n1 N3 x1275 y1399 X2716.01365158264 Y1374.07455137641 t0
c n1 N3 x1328 y1392 X2777.0140343155 Y1363.82322370047 t0
c n0 N1 x2564 y1991 X189.055831425681 Y1846.0058617105 t0
c n0 N1 x2847 y302 X527 Y261 t0
c n0 N1 x2340 y233 X103 Y319 t0
c n0 N1 x3234 y1462 X873.004543473078 Y1401.00857859058 t0
c n0 N1 x2423 y234 X161 Y301 t0
c n0 N1 x3107 y189 X810 Y70 t0
c n0 N1 x3168 y749 X825 Y635 t0
c n0 N1 x2957 y1245 X541 Y1167 t0
c n0 N1 x2990 y1626 X576.488796052515 Y1553.10172819865 t0
c n0 N1 x3108 y1950 X709.734430066537 Y1909.39851248092 t0
c n0 N1 x2572 y1637 X203.851600334266 Y1526.3223413884 t0
c n0 N1 x2580 y1110 X227.356644737435 Y1053.75955754061 t0
c n0 N1 x2626 y863 X263 Y828 t0
c n0 N4 x3233 y365 X621 Y134 t0
c n0 N4 x3111 y1786 X372.131617910643 Y1927.37213803646 t0
c n0 N4 x2847 y303 X33 Y130 t0
c n0 N4 x3118 y1135 X381 Y1118 t0
c n0 N4 x2910 y1136 X43.8964933448219 Y1123.91683933565 t0
c n0 N4 x2990 y1628 X171.271549066232 Y1721.0897649488 t0
c n0 N4 x2957 y1629 X113 Y1720 t0
c n0 N3 x1770 y507 X233.999655054943 Y406.803711781352 t0
c n0 N3 x2392 y537 X971 Y353 t0
c n0 N3 x2835 y617 X1582 Y381 t0
c n0 N3 x3056 y770 X1916 Y538 t0
c n0 N3 x2864 y1123 X1607.23943522102 Y986.868481930772 t0
c n0 N3 x2994 y1463 X1816 Y1400 t0
c n0 N3 x2985 y1795 X1814.6287661324 Y1812.40828049573 t0
c n0 N3 x3108 y1950 X2019.80143215163 Y2012.05188757204 t0
c n0 N3 x1924 y2034 X405.586152543114 Y2012.26560655367 t0
c n0 N3 x1943 y339 X427.868759595938 Y204.311564931445 t0
c n0 N3 x1759 y1854 X212.538373989421 Y1811.12263480875 t0
c n1 N3 x1409 y632 X2815.68896695491 Y544.948007057985 t0
c n1 N3 x1420 y744 X2851.59031293398 Y666.38466397595 t0
c n1 N3 x1615 y483 X3026.5536723216 Y401.187464019172 t0
c n1 N3 x1612 y575 X3032.45660569327 Y498.792670604765 t0
c n1 N3 x1560 y573 X2976.94542583978 Y492.748192141294 t0
c n1 N3 x1585 y1239 X3062.70534982054 Y1193.15567776437 t0
c n1 N3 x1667 y995 X3139.40157906655 Y940.956658504617 t0
c n1 N3 x1583 y1276 X3062.06373949551 Y1231.37005224858 t0
c n1 N3 x1313 y1067 X2742.81393994254 Y1011.91296630959 t0
c n1 N3 x1574 y149 X2957 Y38 t0
c n1 N3 x939 y213 X2202 Y13 t0
c n1 N3 x276 y438 X1216.35978866494 Y194.994678165502 t0
c n1 N3 x348 y894 X1403 Y785 t0
c n1 N3 x892 y878 X2214.85616383675 Y787.910916466403 t0
c n1 N3 x1538 y862 X2987.79642826008 Y798.208505657468 t0
c n1 N3 x346 y1464 X1439 Y1513 t0
c n1 N3 x311 y1861 X1409.1914641471 Y2018.38274831269 t0
c n1 N3 x1169 y1962 X2612.29570001286 Y1997.73552483878 t0
c n1 N3 x1500 y1999 X2989.27263467142 Y1988.24389979245 t0
c n1 N4 x2508 y266 X2405.46696758769 Y371.451286307927 t0
c n1 N4 x1745 y314 X1607.03543077335 Y344.909767086056 t0
c n1 N4 x1234 y348 X1003.87608681985 Y329.026232654504 t0
c n1 N4 x648 y402 X225 Y324 t0
c n1 N4 x710 y1910 X369.509102223766 Y2130.90593686232 t0
c n1 N4 x1333 y1979 X1167.13449520168 Y2153.5849509974 t0
c n1 N4 x2063 y2055 X1980.21372446434 Y2169.27844982849 t0
c n1 N4 x2897 y2127 X2771.84498632855 Y2169.23856740457 t0
c n1 N4 x1036 y1227 X773.321298536616 Y1327.11938721696 t0
c n1 N4 x1634 y1199 X1507.3562655961 Y1300.11800403597 t0
c n1 N4 x1045 y876 X780.520171723358 Y923.915098193156 t0
c n2 N3 x2596 y1498 X508.844133226083 Y1541.8507330298 t0
c n2 N3 x2313 y676 X212.535767700639 Y718.158761884841 t0
c n2 N3 x2900 y1186 X827.844678190903 Y1217.4757490704 t0
c n2 N3 x2592 y1366 X501.845205291527 Y1407.52936265197 t0
c n2 N3 x2470 y1107 X369.147448532678 Y1147.22404441929 t0
c n2 N3 x2371 y921 X263.28402688981 Y962.966858431421 t0
c n2 N3 x2653 y837 X563.374583834139 Y866.056250644772 t0
c n2 N3 x2785 y984 X704.066842154732 Y1012.00676585681 t0
c n2 N3 x2797 y1502 X720.96460093578 Y1545.27598339332 t0
c n2 N3 x2148 y611 X58.8633897275547 Y659.781857474839 t0
c n2 N3 x2556 y1295 X462.018648164695 Y1335.93443461592 t0
c n2 N3 x2320 y890 X218.029980824578 Y933.341541840765 t0
c n2 N3 x2857 y205 X815.192659251503 Y202.243440690557 t0
c n2 N3 x2860 y1957 X803.061770846055 Y2014.30923939779 t0
c n2 N3 x2099 y1965 X31.2015128992432 Y2007.82187002904 t0
c n2 N3 x2109 y168 X40.8528306973094 Y209.629221819798 t0
c n3 N4 x2957 y38 X1407.33866751384 Y144.266026459285 t0
c n3 N4 x2201 y14 X620.109152204549 Y135.136656106377 t0
c n3 N4 x1732 y932 X101.145522090022 Y1059.22155671677 t0
c n3 N4 x1815 y1605 X171.216418720417 Y1720.18737837678 t0
c n3 N4 x2615 y1595 X971.102671047586 Y1741.90459861592 t0
c n3 N4 x3186 y1648 X1580.47675261992 Y1819.94746188854 t0
c n3 N4 x2990 y1989 X1366.94208429764 Y2161.71233985181 t0
c n3 N4 x2413 y2003 X764.329915295354 Y2142.69933633034 t0
c n0 N0 x418 y2038 X460 Y203 t1
c n0 N0 x553 y2250 X3169 Y2058 t2
c n1 N1 x344 y1980 X2876 Y2268 t2
c n1 N1 x3034 y2027 X3066 Y184 t1
c n2 N2 x962 y2065 X991 Y211 t1
c n2 N2 x1303 y2109 X2926 Y2095 t2
c n3 N3 x325 y2159 X3013 Y2123 t2
c n3 N3 x1609 y1952 X1606 Y154 t1
c n4 N4 x311 y2269 X2700 Y2302 t2
c n4 N4 x2894 y1977 X2909 Y228 t1
#hugin_optimizeReferenceImage 0
#hugin_blender enblend
#hugin_remapper nona
#hugin_enblendOptions
#hugin_enfuseOptions
#hugin_hdrmergeOptions
#hugin_outputLDRBlended true
#hugin_outputLDRLayers false
#hugin_outputLDRExposureRemapped false
#hugin_outputLDRExposureLayers false
#hugin_outputLDRExposureBlended false
#hugin_outputLDRStacks false
#hugin_outputLDRExposureLayersFused false
#hugin_outputHDRBlended false
#hugin_outputHDRLayers false
#hugin_outputHDRStacks false
#hugin_outputLayersCompression LZW
#hugin_outputImageType jpg
#hugin_outputImageTypeCompression LZW
#hugin_outputJPEGQuality 80
#hugin_outputImageTypeHDR exr
#hugin_outputImageTypeHDRCompression LZW
#hugin_outputStacksMinOverlap 0.7
#hugin_outputLayersExposureDiff 0.5
#hugin_optimizerMasterSwitch 0
#hugin_optimizerPhotoMasterSwitch 0
