Through the snow

Jenny Bosten on 10 Oct 2021
  • 31
  • 1.21K
  • 0
  • 279
a=508
a = 508
X=-254:253
X = 1×508
-254 -253 -252 -251 -250 -249 -248 -247 -246 -245 -244 -243 -242 -241 -240 -239 -238 -237 -236 -235 -234 -233 -232 -231 -230 -229 -228 -227 -226 -225
colormap(flip(gray))
c=10*[25*ones(1,10) 24 26 25]
c = 1×13
250 250 250 250 250 250 250 250 250 250 240 260 250
g=ones(6,3)
g = 6×3
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
[t,r]=cart2pol(X,X'-255)
t = 508×508
-2.0337 -2.0321 -2.0305 -2.0289 -2.0273 -2.0258 -2.0242 -2.0226 -2.0210 -2.0194 -2.0178 -2.0162 -2.0146 -2.0130 -2.0114 -2.0098 -2.0082 -2.0066 -2.0049 -2.0033 -2.0017 -2.0001 -1.9985 -1.9968 -1.9952 -1.9936 -1.9919 -1.9903 -1.9887 -1.9870 -2.0344 -2.0329 -2.0313 -2.0297 -2.0281 -2.0265 -2.0250 -2.0234 -2.0218 -2.0202 -2.0186 -2.0170 -2.0154 -2.0138 -2.0122 -2.0105 -2.0089 -2.0073 -2.0057 -2.0041 -2.0025 -2.0008 -1.9992 -1.9976 -1.9959 -1.9943 -1.9927 -1.9910 -1.9894 -1.9877 -2.0352 -2.0337 -2.0321 -2.0305 -2.0289 -2.0273 -2.0257 -2.0241 -2.0225 -2.0209 -2.0193 -2.0177 -2.0161 -2.0145 -2.0129 -2.0113 -2.0097 -2.0081 -2.0065 -2.0048 -2.0032 -2.0016 -1.9999 -1.9983 -1.9967 -1.9950 -1.9934 -1.9918 -1.9901 -1.9885 -2.0360 -2.0344 -2.0329 -2.0313 -2.0297 -2.0281 -2.0265 -2.0249 -2.0233 -2.0217 -2.0201 -2.0185 -2.0169 -2.0153 -2.0137 -2.0121 -2.0104 -2.0088 -2.0072 -2.0056 -2.0040 -2.0023 -2.0007 -1.9991 -1.9974 -1.9958 -1.9941 -1.9925 -1.9909 -1.9892 -2.0368 -2.0352 -2.0337 -2.0321 -2.0305 -2.0289 -2.0273 -2.0257 -2.0241 -2.0225 -2.0209 -2.0193 -2.0177 -2.0161 -2.0144 -2.0128 -2.0112 -2.0096 -2.0080 -2.0063 -2.0047 -2.0031 -2.0014 -1.9998 -1.9982 -1.9965 -1.9949 -1.9932 -1.9916 -1.9899 -2.0376 -2.0360 -2.0344 -2.0329 -2.0313 -2.0297 -2.0281 -2.0265 -2.0249 -2.0233 -2.0217 -2.0201 -2.0184 -2.0168 -2.0152 -2.0136 -2.0120 -2.0104 -2.0087 -2.0071 -2.0055 -2.0038 -2.0022 -2.0006 -1.9989 -1.9973 -1.9956 -1.9940 -1.9923 -1.9907 -2.0384 -2.0368 -2.0352 -2.0336 -2.0321 -2.0305 -2.0289 -2.0273 -2.0257 -2.0241 -2.0224 -2.0208 -2.0192 -2.0176 -2.0160 -2.0144 -2.0127 -2.0111 -2.0095 -2.0079 -2.0062 -2.0046 -2.0030 -2.0013 -1.9997 -1.9980 -1.9964 -1.9947 -1.9931 -1.9914 -2.0392 -2.0376 -2.0360 -2.0344 -2.0328 -2.0313 -2.0297 -2.0280 -2.0264 -2.0248 -2.0232 -2.0216 -2.0200 -2.0184 -2.0168 -2.0151 -2.0135 -2.0119 -2.0103 -2.0086 -2.0070 -2.0053 -2.0037 -2.0021 -2.0004 -1.9988 -1.9971 -1.9955 -1.9938 -1.9922 -2.0400 -2.0384 -2.0368 -2.0352 -2.0336 -2.0320 -2.0304 -2.0288 -2.0272 -2.0256 -2.0240 -2.0224 -2.0208 -2.0192 -2.0175 -2.0159 -2.0143 -2.0127 -2.0110 -2.0094 -2.0078 -2.0061 -2.0045 -2.0028 -2.0012 -1.9995 -1.9979 -1.9962 -1.9946 -1.9929 -2.0408 -2.0392 -2.0376 -2.0360 -2.0344 -2.0328 -2.0312 -2.0296 -2.0280 -2.0264 -2.0248 -2.0232 -2.0216 -2.0199 -2.0183 -2.0167 -2.0151 -2.0134 -2.0118 -2.0102 -2.0085 -2.0069 -2.0052 -2.0036 -2.0019 -2.0003 -1.9986 -1.9970 -1.9953 -1.9937
r = 508×508
568.8559 568.4101 567.9657 567.5227 567.0811 566.6410 566.2023 565.7650 565.3291 564.8947 564.4617 564.0301 563.6000 563.1714 562.7442 562.3184 561.8941 561.4713 561.0499 560.6300 560.2116 559.7946 559.3791 558.9651 558.5526 558.1416 557.7320 557.3240 556.9174 556.5124 567.9613 567.5148 567.0697 566.6260 566.1837 565.7429 565.3035 564.8655 564.4289 563.9938 563.5601 563.1279 562.6971 562.2677 561.8398 561.4134 560.9884 560.5649 560.1428 559.7223 559.3031 558.8855 558.4693 558.0547 557.6415 557.2298 556.8195 556.4108 556.0036 555.5979 567.0670 566.6198 566.1740 565.7296 565.2867 564.8451 564.4050 563.9663 563.5291 563.0932 562.6589 562.2259 561.7944 561.3644 560.9358 560.5087 560.0830 559.6588 559.2361 558.8148 558.3950 557.9767 557.5599 557.1445 556.7306 556.3183 555.9074 555.4980 555.0901 554.6837 566.1731 565.7252 565.2787 564.8336 564.3899 563.9477 563.5069 563.0675 562.6295 562.1930 561.7580 561.3243 560.8921 560.4614 560.0321 559.6043 559.1780 558.7531 558.3297 557.9077 557.4872 557.0682 556.6507 556.2347 555.8201 555.4071 554.9955 554.5854 554.1769 553.7698 565.2796 564.8309 564.3837 563.9379 563.4936 563.0506 562.6091 562.1690 561.7304 561.2931 560.8574 560.4231 559.9902 559.5588 559.1288 558.7003 558.2732 557.8476 557.4235 557.0009 556.5797 556.1600 555.7418 555.3251 554.9099 554.4962 554.0839 553.6732 553.2640 552.8562 564.3864 563.9371 563.4891 563.0426 562.5975 562.1539 561.7117 561.2709 560.8315 560.3936 559.9571 559.5221 559.0885 558.6564 558.2258 557.7966 557.3688 556.9425 556.5177 556.0944 555.6726 555.2522 554.8333 554.4159 554.0000 553.5856 553.1727 552.7613 552.3513 551.9429 563.4936 563.0435 562.5949 562.1477 561.7019 561.2575 560.8146 560.3731 559.9330 559.4944 559.0572 558.6215 558.1872 557.7544 557.3231 556.8932 556.4647 556.0378 555.6123 555.1883 554.7657 554.3447 553.9251 553.5070 553.0904 552.6753 552.2617 551.8496 551.4390 551.0299 562.6011 562.1503 561.7010 561.2531 560.8066 560.3615 559.9179 559.4756 559.0349 558.5956 558.1577 557.7213 557.2863 556.8528 556.4207 555.9901 555.5610 555.1333 554.7071 554.2824 553.8592 553.4374 553.0172 552.5984 552.1811 551.7653 551.3511 550.9383 550.5270 550.1173 561.7090 561.2575 560.8075 560.3588 559.9116 559.4658 559.0215 558.5786 558.1371 557.6971 557.2585 556.8213 556.3857 555.9514 555.5187 555.0874 554.6576 554.2292 553.8023 553.3769 552.9530 552.5305 552.1096 551.6901 551.2722 550.8557 550.4407 550.0273 549.6153 549.2049 560.8173 560.3651 559.9143 559.4649 559.0170 558.5705 558.1254 557.6818 557.2396 556.7989 556.3596 555.9218 555.4854 555.0504 554.6170 554.1850 553.7545 553.3254 552.8978 552.4717 552.0471 551.6240 551.2023 550.7822 550.3635 549.9464 549.5307 549.1166 548.7039 548.2928
image(r/2.4-40)
hold
Current plot held
scatter(c,10*[32:3:44 22 30:3:39 21 21 22.5],22*[c(1:5) 70 c(1:7)/120],[g;0*g;1 .5 0],'f')
image(ones(a),'AlphaData',5E4*abs(ifft2(1./r.*cos(6*rand(a)))))
axis off

Remix tree