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- from PIL import Image, ImageDraw
) Y/ N9 H+ p6 g4 D. b& A4 G3 H- i - import math
" L H3 ]: ~ W- j - import numpy as np
; l* {# Z4 G3 p; Z2 k G7 E - import imageio* t: Y& r) H% y8 A% o
- - E: \, M3 C* C; ?6 b; N
- def calcSphereXY2XYZ(px, py, maxHeight, longOffset):' V2 v* X0 T# \7 u% x2 B% L0 }6 [
- v0x= np.array(px)* x' e8 K7 j/ g( j
- v0y= np.array(py)
1 T2 s2 I; a6 G! G/ N - v03= np.subtract(v0x, maxHeight)
" n' S( Y* N) `9 \7 d, U$ \( e - v04= np.subtract(v0y, maxHeight)
4 y% M8 N3 }0 U6 F - v1x= np.true_divide(v03, maxHeight)
B" l$ I- y/ g: B$ J0 z& o - v1y= np.true_divide(v04, maxHeight)( H& r: C3 T7 E9 i
- # print(max(v1x), min(v1x))
5 [& S% c3 V7 t" ^8 A, G - v07= np.power(v1x,2)5 X$ [( A( \, K* R+ N+ x% x
- v08= np.power(v1y,2)" r2 M' o0 h0 n" H9 P+ m
- v09= np.add(v07,v08)9 ]. @+ v" D/ N
- v0a= np.subtract(1,v09)
7 @. {! W; `8 c* j5 D* @6 Q - v1z= np.power(v0a,1/2) # z
7 M5 P+ j: m, V/ \$ H9 v& S5 K$ s - # print('z:', max(v1z), min(v1z))2 g' V& M5 c* ?$ Q- i
- v1lat= np.multiply(v1y, math.pi/2) # lat. Z9 E, F/ c" o% P
- v0lon= np.arctan2(v1z, -v1x)
! e* J+ U; t& _; x$ k' d' d - v1lon= np.add(v0lon, longOffset) # long' F6 N8 R3 |; F
- v2lon= np.fmod(v1lon, math.pi*2) # long
! E8 l1 T5 D5 y4 [+ v" e" @ - return v2lon, v1lat
% v0 t1 F4 d6 n - . `1 h. O6 q- w7 |7 k% N4 g( `
- def calcShpereLatLong2XY(vlon, vlat, width, height):
$ H! e% X4 Q7 {( h - v3x0=np.multiply(vlon, width/2/math.pi)5 B( r5 _& w% j* @
- v3y0=np.multiply(vlat, height/math.pi). [* H( g# _* @6 J! A; p
- v3y1=np.add(v3y0, height/2)
. P% t& L3 V& [ - v3x2=v3x0.astype(np.integer)
1 r2 f, R( o# E* c) p6 p - v3y2=v3y1.astype(np.integer)) }* I) D, {% {5 @1 J6 ^) e6 ~( Y+ e
- return v3x2, v3y2
- _7 b3 r7 `9 x4 Z( V$ m
f! i; n o; \* L) ?+ C0 `- def getPic(a):. ]/ j2 \7 c9 B% ]
- # imgBack= Image.open('地球3.jpg')
O5 h) X# B9 ?1 D6 G; ^ - imgBack= Image.open('世界地球日地图_8K_2.jpg')
1 L2 R7 w+ c7 B$ P - imgCloud= Image.open('世界地球云地图_8K.jpg') B* {9 s6 X) |9 j4 S/ _- w/ ?
- width= imgBack.size[0]; Y- U: f) x4 U5 f
- height= imgBack.size[1]; C* s* z/ n" R' z8 m3 ?4 p
- imgBack= imgBack.convert('RGBA')
% c1 |* Q! Q0 A& q6 }/ F - arrayBack= np.array(imgBack)
+ r0 X2 O: O7 z7 W' t - arrayCloud= np.array(imgCloud)
7 l+ Z: f# q* e# \0 A- `$ x0 h! { - circleSize= 508
; }- p0 b6 F4 k$ e/ z8 q8 T+ T: { - img2= Image.new('RGBA', (circleSize,circleSize))
' ^4 ?5 r; ?5 L) U - img= Image.new('RGBA', (circleSize,circleSize), 'black')% r* {: M) e2 m( C2 p
- w= img.size[0]
% b$ V8 j4 R/ C( B9 Y& ?$ W( r - h= img.size[1]# i1 H; i2 }8 N6 r& f8 K
- pxList=[]
3 n) N6 f3 \! g% B E7 S- S8 ^% d: k - pyList=[]
m! I. O$ N p+ A6 v. Z E+ P4 z( G - for i in range(w):
7 h4 h0 X! r8 o1 @ - for j in range(h):- @3 a \/ O6 ?! \0 M* {) a6 F
- r= math.sqrt((i-w/2)**2+(j-h/2)**2)8 b, `$ ]5 D) q5 H H- s0 v3 R; ^5 O
- if r<circleSize/2:) f) K8 S2 J; S8 F! O) x
- pxList.append(i) ! K' ^% L) L" d* J0 x9 O; X; G2 N h" J
- pyList.append(j)
3 g& N( p, ~$ J, j" q3 X6 H0 v$ Y0 ? - 1 |9 L1 w6 |- V% p: b2 B
- nplon, nplat= calcSphereXY2XYZ(pxList, pyList, h/2, a)
9 L6 P2 u- [+ P$ ^. l - nplon2, nplat2= calcSphereXY2XYZ(pxList, pyList, h/2, a/2)# c6 W& q2 i5 R
- # nplon, nplat= rotSphere(nplon, nplat, )
' y. { Q1 u$ [1 `& Z - npx, npy= calcShpereLatLong2XY(nplon, nplat, width-1, height)
$ M) Z( P& Y5 `# Y# R7 h# z - npx2, npy2= calcShpereLatLong2XY(nplon2, nplat2, width-1, height)
8 }. e$ O. }9 n+ E( \1 ? - color= arrayBack[npy, npx], m( o a _) \( ^3 w" M8 ]; t
- color2= arrayCloud[npy2, npx2]: k T( P- _2 L1 M, w
- for i in range(len(pxList)):
, V v& N/ g, }' E. E( l* ~8 B - x= pxList[i]
1 \" G5 x1 h5 G' p# B' ^ - y= pyList[i]- {! k+ z5 X4 H0 g* ^( k! L# s+ V
- cc=color[i]- k2 Q, `1 e& b0 {6 L
- # print(cc)
" D) I8 M. i) P: {) U1 K' e - cc= tuple(cc)9 e( V: A" B% o2 @
- img.putpixel((x,y), cc)
+ O# C8 |: N' @, H - c2= color2[i]
* G. x1 {! W+ T- B+ d5 S; h - c0= int(c2[0]*1.6)9 {- n' ]% ?, V& k' x
- if c0>255:& \+ n- B4 h- @# T. I1 @
- c0=2557 O/ M; ` j% M4 Q
- c_alpha= int(c2[0]*0.9)# b: Q- \4 X1 ~ c" Q6 r
- c2= (c0,c0,c0,c_alpha)
( _7 F5 R- n3 \1 K; A3 q9 J - img2.putpixel((x,y), c2)( R4 k/ G( v" e$ [
- r,g,b,a= img2.split()0 k- @$ J4 `* g. @
- img.paste(img2, (0,0), mask=a)* X0 E" z2 U) ^" [* E! U3 J
- return img
8 y, J1 h. H W. \% m - & @' w4 X# N8 Q$ h
- if __name__=='__main__':
: F8 T! b. C! m! e) h) N - frames=[]: a l: |, ^' w
- str1= '微信地球_mask.png'4 c6 ^. x( d; @4 ^+ {, M- p7 L3 Y
- img1= Image.new('RGB', (750,1334))
+ \! b& k9 b4 i% _; g5 E - img2= Image.open(str1)
+ t0 [2 w0 h# t: l - for i in range(0, 720, 12):+ G4 Z5 p' z/ Y' [) Y* _
- a= -i*math.pi/ 1806 |- A% `1 Y3 }
- img= getPic(a)4 m$ H5 @- s. e0 t. O* `+ K
- img1.paste(img,(122,424))
5 r$ ~- q& ^" w8 N q9 W - r,g,b,alpha=img2.split()) ^! [( H/ f2 P
- img1.paste(img2, (0,0), mask=alpha)
5 `+ S. n$ b. H4 V& X, w - str1= 'temp%03d.png'%i! w. w; k+ N9 {3 a, e% R9 a2 ^- |; \
- print(str1); Q, \9 Z! S5 f% g0 I
- img1.save(str1)# n9 z8 G' V! t9 c, |( \( M! x
- im = imageio.imread(str1)! A" f& h/ r, |6 O, P: a. N9 O i
- frames.append(im)# M- _; |/ m9 b' R4 G: e1 ^' o
- # img.show()
3 N; l& ]: G5 d' r0 W0 L& F/ W3 e - imageio.mimsave('earth.gif', frames, 'GIF', duration=0.20)
& v/ \; V9 P% q% ` -
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