Datoteka:CRT image creation animation.gif

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CRT_image_creation_animation.gif ‎(546 × 532 piksela, veličina datoteke: 6,61 MB, MIME tip: image/gif, animacija se ponavlja, 192 okvira, 3,8 s)

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Sažetak

OpisCRT image creation animation.gif	Deutsch: Animation des Bildaufbaus bei einer Kathodenstrahlröhre mit Interlacing-Verfahren. English: Animation of the image construction for a cathode ray tube with interlacing method.
Datum	7. studenoga 2021.
Izvor	Vlastito djelo postavljača
Autor	Laserlicht

Due a bug only even x and y values possible!

Create Gif with ImageMagick: ‎convert -delay 2 video.tiff -repage 546x532+-18+0 -set dispose background -coalesce -layers Optimize video.gif

Imagick only support max 200 frames without bug. 🤨
The image used for this file was 16px x 12px = 192 Frames

Code

#Path to Cairo Lib
import os
os.environ["PATH"] = r"D:\Programme\msys64\mingw64\bin" + os.pathsep + os.environ["PATH"]

#Imports
import drawSvg as draw
from PIL import Image
import numpy as np
import webbrowser

#Global Settings
in_img = "img3.jpg"
intensity_multiplicator = 0.990

#Image
im = Image.open(in_img)
pix = np.array(im)
pix = np.transpose(pix, (1, 0, 2))
intensity = np.arange(pix.shape[0] * pix.shape[1], dtype=np.float64).reshape(pix.shape[0], pix.shape[1])
intensity[:] = 0.0

def render(f):
    global im, intensity

    #Settings / Objects
    size = (600, 600)
    d = draw.Drawing(size[0], size[1], origin=(0, 0), displayInline=False)
    d.append(draw.Rectangle(0, 0, size[0], size[1], fill="#ffffff", fill_opacity=1.0))

    #Draw
    draw_area = (50, 50 + 100, (280/3) * 4, 280)
    gap = (draw_area[2] / pix.shape[0], draw_area[3] / pix.shape[1])

    #   Antenna
    gradient = draw.LinearGradient(draw_area[0], draw_area[1], draw_area[0] + draw_area[2], draw_area[1] + draw_area[3])
    gradient.addStop(0, '#aaaaaa', 1)
    gradient.addStop(1, '#eeeeee', 1)
    gradient = '#cccccc' #overwrite gradient -> disable, because better for gif

    p = draw.Path(stroke_width=2, stroke="#000000", fill=gradient, fill_opacity=1.0)
    p.M(280, 460)
    p.A(10, 10, 0, 0, 1, 300, 460)
    d.append(p)
    d.append(draw.Line(290, 470, 290 + 90, 470 + 90, stroke='black', stroke_width=2, fill='none'))
    d.append(draw.Circle(290 + 90, 470 + 90, 7, fill='black', stroke_width=2, stroke='black'))
    d.append(draw.Line(290, 470, 290 - 120, 470 + 120, stroke='black', stroke_width=2, fill='none'))
    d.append(draw.Circle(290 - 120, 470 + 120, 7, fill='black', stroke_width=2, stroke='black'))

    #   Foot
    p = draw.Path(stroke_width=2, stroke="#000000", fill=gradient, fill_opacity=1.0)
    p.M(290+100, 120)
    p.L(290+100+50, 120-50)
    p.L(290+100+20, 120)
    d.append(p)
    p = draw.Path(stroke_width=2, stroke="#000000", fill=gradient, fill_opacity=1.0)
    p.M(290-100, 120)
    p.L(290-100-50, 120-50)
    p.L(290-100-20, 120)
    d.append(p)

    #   TV housing
    d.append(draw.Rectangle(20, 20 + 100, 540, 340, rx=50, ry=50, fill=gradient, fill_opacity=1.0, stroke="#000000", stroke_width=2))

    #   Blackscreen
    d.append(draw.Rectangle(50, 50 + 100, (280/3)*4, 280, rx=10, ry=10, fill="#000000"))

    #   Display
    while f >= pix.shape[0] * pix.shape[1]: f -= pix.shape[0] * pix.shape[1]
    radius = min(gap[0], gap[1]) / 2
    intensity[:] *= intensity_multiplicator
    for x in range(pix.shape[0]):
        for y in range(pix.shape[1]):
            point_pos = (f % pix.shape[0], f // pix.shape[0])

            if point_pos[1] < pix.shape[1] / 2:
                y_pos = (point_pos[1] * 2 == y)
            else:
                y_pos = (((point_pos[1] - pix.shape[1] / 2) * 2) + 1 == y)

            if point_pos[0] == x and y_pos:
                color = "#ffffff"
                intensity[x, y] = 1.0
            else:
                color = tuple((pix[x][y] * intensity[x][y]).astype(int))
                color = '#%02x%02x%02x' % color
           
            d.append(draw.Circle(draw_area[0] + x * gap[0] + radius, draw_area[1] + draw_area[3] - y * gap[1] - radius, radius, fill=color))

    #   TV
    #       Screen (only Border)
    d.append(draw.Rectangle(50 - 5, 50 + 100 - 5, (280/3)*4 + 10, 280 + 10, rx=15, ry=15, fill="#000000", fill_opacity=0.0, stroke=gradient, stroke_width=10)) #hacky overdraw overlapping circles -> masks don't work...
    d.append(draw.Rectangle(50, 50 + 100, (280/3)*4, 280, rx=10, ry=10, fill="#000000", fill_opacity=0.0, stroke="#000000", stroke_width=2))

    #       Controls
    d.append(draw.Rectangle(75 + (280/3)*4, 130 + 100, 455 - (280/3)*4, 200, rx=10, ry=10, fill="#000000", fill_opacity=0.0, stroke="#000000", stroke_width=2))

    d.append(draw.Circle(75 + (280/3)*4 + 40, 130 + 100 + 160, 25, fill='#888888', stroke_width=2, stroke='black'))
    d.append(draw.Circle(75 + (280/3)*4 + 40, 130 + 100 + 90, 25, fill='#888888', stroke_width=2, stroke='black'))
    d.append(draw.Rectangle(75 + (280/3)*4 + 40, 130 + 100 + 160 - 5, 20, 10, rx=10, ry=10, fill="#888888", fill_opacity=0.0, stroke="#000000", stroke_width=2))
    d.append(draw.Rectangle(75 + (280/3)*4 + 40 - 5, 130 + 100 + 90, 10, 20, rx=10, ry=10, fill="#888888", fill_opacity=0.0, stroke="#000000", stroke_width=2))

    #       Speaker
    for i in range(6):
        p = draw.Path(stroke_width=2, stroke="#000000", fill='black', fill_opacity=0.0)
        p.M(75 + (280/3)*4, 130 + 100 - 20 - 10 * i)
        p.H(75 + (280/3)*4 + 80)
        d.append(p)

    #Output
    d.setRenderSize(size[0], size[1])

    return d

#Prefill Intensity Values
for i in range(pix.shape[0] * pix.shape[1]):
    render(i)

#Render to Images
with draw.animate_video("video.tiff", render) as anim:
    for i in range(pix.shape[0] * pix.shape[1]):
        anim.draw_frame(i)

#Render to SVG/PNG
#d = render(0)
#d.saveSvg("a.svg")
#d.savePng("a.png")

#View
webbrowser.open('file://' + os.path.realpath("video.tiff"))
input()

Licencija

Image:

Ja, nositelj autorskog prava za ovo djelo, ovime ga objavljujem pod sljedećom licencijom:

Ova datoteka je licencirana pod Creative Commons licencijom Imenovanje-Dijeli pod istim uvjetima 4.0 međunarodna.

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Pod sljedećim uvjetima:

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Source:

This file is licensed under the Expat License, sometimes known as the MIT License:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

The Software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the Software or the use or other dealings in the Software.

To uploader: MIT License has various versions, you may want to specify the license more precisely. Click {{MIT}} to see details.

MITMIT licensetruetrueLaserlicht

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Povijest datoteke

Kliknite na datum/vrijeme kako biste vidjeli datoteku kakva je tada bila.

	Datum/Vrijeme	Dimenzije	Suradnik	Komentar
sadašnja	20:42, 7. studenoga 2021.	546 × 532 (6,61 MB)	Laserlicht	comment edit
	19:41, 7. studenoga 2021.	546 × 532 (6,61 MB)	Laserlicht	white BG
	19:39, 7. studenoga 2021.	546 × 532 (6,95 MB)	Laserlicht	Uploaded own work with UploadWizard

Uporaba datoteke

Nijedna stranica ne rabi ovu datoteku.

Globalna uporaba datoteke

Sljedeći wikiji rabe ovu datoteku:

Uporaba na de.wikipedia.org
- Kathodenstrahlröhrenbildschirm
- Zeilensprungverfahren
Uporaba na en.wikipedia.org
- Cathode-ray tube
- Interlaced video
Uporaba na en.wikibooks.org
- Signetics 2650 & 2636 programming/Printable version
- Signetics 2650 & 2636 programming/Analogue TV
Uporaba na fa.wikipedia.org
- تاریخچه لامپ پرتوی کاتدی
Uporaba na fr.wikibooks.org
- Les cartes graphiques/Les cartes d'affichage
- Les cartes graphiques/Version imprimable
Uporaba na tr.wikipedia.org
- Geçmeli tarama

Metapodatci

Ova datoteka sadržava dodatne podatke koje je vjerojatno dodala digitalna kamera ili skener u procesu snimanja odnosno digitalizacije. Ako je datoteka mijenjana, podatci možda nisu u skladu sa stvarnim stanjem.

GIF komentar datoteke	created by Michael H. (aka "Laserlicht" on Wikimedia Commons)

Datoteka:CRT image creation animation.gif

Sažetak

Code

Licencija

Opisi

Predmeti prikazani u ovoj datoteci

motiv

stvaratelj

Određene vrijednosti bez stavke na projektu Wikipodatci

status autorskog prava

zaštićeno autorskim pravom

licencija

Creative Commons Autorstvo-Dijeli pod istim uvjetima 4.0 Međunarodna

izvor datoteke

izvorno djelo postavljača

procjena kvalitete na Zajedničkom poslužitelju

kvalitetna slika na Zajedničkom poslužitelju

nastanak

7. studenoga 2021

vrsta medija

image/gif

checksum ^engleski

8d26037a7a752fe6aef5f771c3387417437262e1

data size ^engleski

6.930.521 Bajt

trajanje

3,840000000000003 sekunda

visina

532 točka

širina

546 točka

Povijest datoteke

Uporaba datoteke

Globalna uporaba datoteke

Metapodatci

Sažetak

Code

Licencija

Opisi

Predmeti prikazani u ovoj datoteci

Određene vrijednosti bez stavke na projektu Wikipodatci

7. studenoga 2021

image/gif

checksum engleski

8d26037a7a752fe6aef5f771c3387417437262e1

data size engleski

6.930.521 Bajt

3,840000000000003 sekunda

532 točka

546 točka

Povijest datoteke

Uporaba datoteke

Globalna uporaba datoteke

Metapodatci

checksum ^engleski

data size ^engleski