Wikipedia:Graphics Lab/Illustration workshop

Graphics Lab/Illustration workshop

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The Graphics Lab is a project to improve the graphical content of the Wikimedia projects. Requests for image improvements can be added to the workshop pages: Illustrations, Photographs and Maps. For questions or suggestions one can use the talk pages: Talk:Graphics Lab, Talk:Illustrations, Talk:Photographs and Talk:Maps.
This specific page is the requests page for the illustration workshop. Anyone can make a request for an illustration to be improved or created for a Wikipedia article. Clicking the "New Request" button will bring you to a standard template for submitting requests, as well as general advice that should be followed. Requests for healthcare related images may be make at MDWiki:WikiProjectMed:Requested_images.

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If you have completed work and not received a reply you may use the {{GL Illustration reply}} template to inform the requester.

Graphists and other visitors to the Graphic Lab may be interested in the RSS feed of changes to this page. You may find it here.

Article(s)

Hyperbolic sector#Hyperbolic logarithm

Request

In the article-section Hyperbolic sector#Hyperbolic logarithm one finds the following text:

"To accommodate the case of negative logarithms and the corresponding negative hyperbolic angles, different hyperbolic sectors are constructed according to whether x is greater or less than one. A variable right triangle with area 1/2 is ${\displaystyle V=\{(x,1/x),\ (x,0),\ (0,0)\}.}$ The isosceles case is ${\displaystyle T=\{(1,1),\ (1,0),\ (0,0)\}.}$ The natural logarithm is known as the area under y = 1/x between one and x. A positive hyperbolic angle is given by the area of ${\displaystyle \int _{1}^{x}{\frac {dt}{t}}+T-V.}$ A negative hyperbolic angle is given by the negative of the area ${\displaystyle \int _{x}^{1}{\frac {dt}{t}}+V-T.}$ This convention is in accord with a negative natural logarithm for x in (0,1)."

The object is to show that hyperbolic sector area to y = 1/x is the same as the log area. There are two cases: x in (0,1) and x > 1. The method uses addition and subtraction of right triangles. Illustrations are requested to show the equality of areas. — Rgdboer (talk) 22:35, 6 June 2025 (UTC)[reply]

Discussion

I can't think of a way to show that the areas are equal. Only after drawing this, I realised that I could prove it only if S is the midpoint of OR. In the above diagram, if S is at 1, R must be at 2, unless b can be shown to equal d.

Can you sketch, perhaps on paper, how you could explain it? Cheers, cmɢʟee⎆τaʟκ 22:43, 7 June 2025 (UTC)[reply]

Ok, your diagram does combine the two given. Some of your variables are supposed constant: S = (1,0) so that P = (1,1). Then 0PS is triangle T given in the text. Next R = (x. 0) so Q = (x, 1/x) so triangle 0QR is the variable triangle called V in the text. Both of these triangles have area 0.5 . The argument is similar to a tangram puzzle where blocks are moved around. Here one triangle is added to a figure, then the other triangle removed. Since they both have area ½ the area after the addition and subtraction is the same as area before. Try considering only x > 1 first (as in your illustration) since complications arise due to signed areas in the general case. — Rgdboer (talk) 21:57, 8 June 2025 (UTC)[reply]

Reading about Tangrams led me to Tiling puzzle which is more accurate here, except for shapes changing while area is constant. Using the notation you have provided, the proof runs as follows:

POQ = PSRQ + POS − QOR. Then since area POS = area QOR, conclude area POQ = area PSRQ. — Rgdboer (talk) 22:17, 10 June 2025 (UTC)[reply]

I'll redraw it with triangle T as in the article. cmɢʟee⎆τaʟκ 10:06, 11 June 2025 (UTC)[reply]

@Cmglee: But your notation is more concise, just the labels P, Q, R, S. The lower case letters are of course superfluous. The article text can be altered with the OPQRS argument. — Rgdboer (talk) 21:43, 11 June 2025 (UTC)[reply]

Thanks, @Rgdboer: I've updated it using your hint. It now works for any two points in the first quadrant, not just for x > 1. cmɢʟee⎆τaʟκ 22:46, 11 June 2025 (UTC)[reply]

Thank you cmglee for a splendid image of a complex notion. The OPQRS geometry makes unnecessary the assumption that P=(1,1). The naturalness of the notation clarifies the argument. The reversed orientation of negative areas need not confuse the introduction here of geometry referring to some ideas of calculus. The reference to a book by Isaak Yaglom shows this argument is not original research. — Rgdboer (talk) 21:20, 12 June 2025 (UTC)[reply]

My pleasure and thanks. Glad it's now clear. cmɢʟee⎆τaʟκ 10:47, 13 June 2025 (UTC)[reply]

P.S. Swapped hatching and outline for clarity. cmɢʟee⎆τaʟκ 00:07, 1 July 2025 (UTC)[reply]

Request

I'm after an updated copy of the map that is shown at https://www.newspapers.com/article/chicago-tribune-1920s30s-gangster-map/174851196/. It's taken from The Chicago Tribune of 16 February 1936, so technically still in copyright, thus the need for a fresh copy. There's a version at http://www.encyclopedia.chicagohistory.org/pages/1768.html, which is a lot cleaner, with much of the superfluous nameing taken away, which is also what I'm after. Any help would be much appreciated. Cheers - SchroCat (talk) 19:51, 19 June 2025 (UTC)[reply]

Discussion

SchroCat (talk) 04:06, 24 June 2025 (UTC)[reply]

@SchroCat: As this is about a map, you may get better response on Wikipedia:Graphics_Lab/Map_workshop. cmɢʟee⎆τaʟκ 23:54, 14 July 2025 (UTC)[reply]

Article(s)

Syrian Football Association

Request

Hi all, I have just uploaded a .svg file of the Syrian Football Association logo to replace the existing .png file at File:Syrian Football Association logo.png. However, the green colour is not correctly displaying and is coming up as black when it was uploaded. Any assistance with this would be greatly appreciated. – Ianblair23 (talk) 12:23, 29 June 2025 (UTC)[reply]

Have you deleted your SVG? Otherwise, what is the file name? Hogweard (talk) 17:22, 14 July 2025 (UTC)[reply]

Discussion

 Done

• 
  Flag of the Provisional Government of Saskatchewan (PNG version)
• Flag of the Provisional Government of Saskatchewan (SVG version)
  Flag of the Provisional Government of Saskatchewan (SVG version)
• Coat of arms of the Provisional Government of Saskatchewan
  Coat of arms of the Provisional Government of Saskatchewan
• 
  Flag of the French West India Company (use this as a base for the flag and coat of arms)
• 
  Former flag of Easter Island (use this as a base for the Immaculate Heart of Mary in the coat of arms)

Article(s)

Provisional Government of Saskatchewan, List of Canadian flags

Request

Hi! I was wondering if someone can kindly please vectorize the flag and coat of arms of Provisional Government of Saskatchewan? The flag was designed by Louis Riel and the description of the flag by Father Vital Fourmond (who was a witness to the provisional government's proclamation on 19 March 1885) is found on both pages linked above. The flag consists of the design of an old flag of France with a blue heraldic shield with three Fleurs-de-lis though Riel altered this design by placing the Immaculate Heart of Mary (a Catholic symbol) on the shield. Although Father Fourmond described just the flag, it appears that by using a design with a heraldic shield, Riel had also created the coat of arms for the provisional government even if it wasn't his intention. The coat of arms on the PNG version of the flag uses a Sodacan-style for the shield and Fleurs-de-lis, the Immaculate Heart on the PNG version uses File:Immaculate Heart of Mary.svg but the design of that clashes with the Sodacan style for the shield and Fleurs-de-lis so I ask that for the SVG version, a Sodacan-style version of the Immaculate Heart is used instead. I have added SVG Sodacan-style versions of the designs to use as bases so the request can be done more quickly. Thanks in advance! -- 109.77.208.221 (talk) 22:21, 30 June 2025 (UTC)[reply]

Discussion

• 
  3-phase flow gif

Article(s)

Driefase elektriese krag

Request

The current image is at https://commons.wikimedia.org/wiki/File:3-phase_flow.gif. Unfortunately it is a GIF and has English descriptions. It is used on many pages, but the Afrikaans Wikipedia would like to use a version with Afrikaans text, as follows:

• "3 Fase Transmissielyn" should become "Driefase transmissielyn"
• "3-Phase Generator" should become "Driefase generator"
• "3-Phase Load" should become "Driefase las"

thanks! Greenman (talk) 07:58, 4 July 2025 (UTC)[reply]

Discussion

Is it important that it is animated? If not, I can remake it as a multilanguage SVG. cmɢʟee⎆τaʟκ 23:00, 4 July 2025 (UTC)[reply]

P.S. Alternatively, just remove the labels entirely. They don't seem very useful other than to indicate that the left side is the generator and the right side is the load, but that can be stated in the caption. cmɢʟee⎆τaʟκ 23:03, 4 July 2025 (UTC)[reply]

User:cmglee, we would prefer the animated version otherwise a SVG file with the caption is acceptable. Having no captions is meaningles, my wife being a teacher - I know how important the captions are! Thanks for looking at our request. Regards. Oesjaar (talk) 11:00, 7 July 2025 (UTC)[reply]

@Oesjaar: Perhaps I should clarify what I meant by caption: in this thumbnail, the caption is the text "The caption", whereas I consider the text L1 to L5 labels.

Whereas captions are easily specified in the wikitext of the thumbnail, it's a large effort to modify the labels in a GIF animation as

1. They are bitmaps, so one can't just type the new translation, and
2. It has to be done on every frame, and correctly aligned to avoid jitter.

Thus, I would recommend

1. Using language-neutral labels (1, 2, 3...), or
2. Eliminate the labels and either
   • Describe it in the caption ("the left side is the generator and the right side is the load") or
   • Arrange the text in a table (only works for some images):

Driefase transmissielyn
Driefase generator		Driefase las

cmɢʟee⎆τaʟκ 12:27, 7 July 2025 (UTC)[reply]

Thanks @Cmglee: The table version looks great. I've tried to place it in the article, but can't get the text to align around it as before. Can you explain, or show, how this would work? Thanks, Greenman (talk) 21:21, 8 July 2025 (UTC)[reply]

Driefase generator		Driefase las
Driefase transmissielyn
Behind the scenes

 Done http://af.wikipedia.org/w/index.php?title=Driefase_elektriese_krag&diff=2819752&oldid=2811389 cmɢʟee⎆τaʟκ 11:05, 9 July 2025 (UTC)[reply]

P.S. May I suggest putting the transmissielyn label at the bottom and the two generator and las ones on top so that

1. The latter are closer to the objects depicted
2. The blue transmission line spans the entire width of the former label

as in this thumbnail? cmɢʟee⎆τaʟκ 11:55, 11 July 2025 (UTC)[reply]

• 
  Flag of New Castle, Delaware
• Coat of arms of New Castle, Delaware
  Coat of arms of New Castle, Delaware

Article(s)

New Castle, Delaware, List of United States county and city insignia, Armorial of the United States

Request

Hi! I was wondering if someone can kindly please the coat of arms of New Castle, Delaware (which is displayed on the flag) is uploaded as a separate file. The coat of arms is a heraldic shield split into four corners that displays the flags of four countries which have all controlled New Castle over the years. On the top-left: the Netherlands. On the top-right: Sweden. On the Bottom-left: Britain (unusually they are are represented by the "Flag of Great Britain" that was used at the time of their control rather than the modern day Union Jack, especially considering New Castle represents the Netherlands with its modern day flag rather than its historical one). On the bottom-right: the United States, which New Castle is currently part of (this part uses a version of the Great Seal of the United States rather than the flag). I'll be grateful to see this done. Thanks in advance!-- 109.77.208.221 (talk) 15:47, 6 July 2025 (UTC)[reply]

Discussion

Article(s)

Squeeze mapping

Request

A gif animation with 10 frames is requested to illustrate hyperbolic rotation. Each frame is to be a hyperbolic sector between ${\displaystyle a=\exp(-1+n/5)\ \ {\text{and}}\ \ b=\exp(-1+0.2+n/5)}$.

The sectors are bounded by y = 1/x, so the end points are (a, 1/a) and (b, 1/b).

The index should run n = 0,1,2,3,4,5,6,7,8,9,8,7,6,5,4,3,2,1. This sequence is to give an oscillating impression, rather than a slap should it end at 9.

The sectors have area ${\displaystyle \log(b/a)=0.2}$ so they are equal in area. However, the shape varies: sectors in the mid-range are short and thick, those at the ends are long and thin. — Rgdboer (talk) 22:42, 6 July 2025 (UTC)[reply]

Discussion

Do you have an example on YouTube, TikTok etc? cmɢʟee⎆τaʟκ 12:36, 7 July 2025 (UTC)[reply]

Sorry, no. Is that a problem ? — Rgdboer (talk) 21:20, 7 July 2025 (UTC)[reply]

Thought it would be useful to see what is actually requested. Cheers, cmɢʟee⎆τaʟκ 10:44, 9 July 2025 (UTC)[reply]

There is the File:Log.gif found in Natural logarithm which decomposes a squeeze into a horizontal contraction followed by a vertical expansion. But squeezing does these two simultaneously so the gif is misleading. Also, we have File:Hyperbolic_sector_squeeze_mapping.svg which shows two sectors and four rectangles to suggest a squeeze. The requested gif would improve on each of these. Actually, natural logarithm is a measure (mathematics) which is preserved by squeezing and comprehension of logarithm by students is inhibited by lack of clarity regarding the transformation. — Rgdboer (talk) 23:00, 8 July 2025 (UTC)[reply]

File:Visual_proof_hyperbolic_sector_area.svg has been placed into Squeeze mapping as a partial fix. — Rgdboer (talk) 21:11, 18 July 2025 (UTC)[reply]

@Rgdboer: How about this? cmɢʟee⎆τaʟκ 15:49, 19 July 2025 (UTC)[reply]

Perfect! Thank you on behalf of all that will better comprehend the meaning of hyperbolic rotation. — Rgdboer (talk) 22:10, 19 July 2025 (UTC)[reply]

 Done My pleasure. Instructions are at commons:File:Hyperbolic_rotation.gif#Python_source_code in case anyone wishes to modify it, especially adding text. Cheers, cmɢʟee⎆τaʟκ 23:10, 19 July 2025 (UTC)[reply]

P.S. @Rgdboer: could you please update its description as you know best how to describe it? Ta, cmɢʟee⎆τaʟκ 23:14, 19 July 2025 (UTC)[reply]

• Description of first image
  Description of first image
• Description of second image (if needed)
  Description of second image (if needed)
• Description of third image (if needed; don't request too many at once, though)
  Description of third image (if needed; don't request too many at once, though)

Article(s)

[[]]

Request

Details of your request go here... -- Ihana Aneta (talk) 15:23, 7 July 2025 (UTC)[reply]

Discussion

Could anyone draw Ljubka Šorli? There is no photo of her on WikiCommons. It would be excellent if she could be drawn in her late 20s.

https://www.ljubkinapot.si/avtorice_lp/ljubka-sorli/ https://www.primorski.eu/goriska/obnovili-kip-ljubke-sorli-GE457910

• File:Flag of Cupids, Newfoundland and Labrador.svg
• 
  Blue British Ensign, which could be used in the creation of this flag, albeit with changes to the colours.

Article(s)

Cupids, List of countries and territories with the Union Jack displayed on their flag, Blue Ensign, Commons:Flags of municipalities in Newfoundland and Labrador, Commons:Flags based on British ensigns

Request

Could someone please create an SVG file of the town flag of Cupids, Newfoundland and Labrador, as shown here? Thanks. Snow Lion Fenian (talk) 14:12, 9 July 2025 (UTC)[reply]

Discussion

• 
  Flag of Alternative libertaire (photograph)
• 
  Flag of Alternative libertaire (SVG version)
• 
  An anarchist flag (use this as a base)
• 
  Alternative libertaire magazine cover (the logo at the top of the cover is also used in the bottom-right corner of the flag)
• 
  Logo of Alternative libertaire (JPG version)
• Logo of Alternative libertaire (SVG version)
  Logo of Alternative libertaire (SVG version)

Article(s)

Alternative libertaire, List of French flags

Request

Hi! I was wondering if someone can kindly please vectorize the flag and logo of the anarchist organization "Alternative libertaire"? It does look I'm spamming flag requests but I'm acutally taking them from a list found by clicking here. Thanks in advance! -- 109.77.208.221 (talk) 21:49, 10 July 2025 (UTC)[reply]

Discussion

• Flag of Falun Gong
  Flag of Falun Gong
• 
  Logo of Falun Gong (use this in the flag)

Article(s)

Falun Gong

Request

Hi! Today I'm asking for someone to kindly vectorize the flag of the new religious movement Falun Gong. The flag can be seen here https://www.fotw.info/flags/cn_falun.html. The flag taller than wide and has a light-blue background. The logo of Falun Gong is near the center of the flag but is slightly closer to the top. Below the logo, and further to the bottom to the top, are three Chinese characters that make up the group's motto and below them, the translations of those characters. On the left is the character "真" and below it is the translation "Truthfulness". In the middle is the character "善" and below it "Benevolence". On the right, the character "忍" and below it, "Forbearance". Can someone please do it? I'll be grateful to see it done. Thanks in advance! -- 109.77.208.221 (talk) 20:05, 13 July 2025 (UTC)[reply]

Discussion

Article(s)

International Skating Union

Request

Need assistance to add a color gradient based off the header color at the official site. -- --Min☠︎rax^«¦talk¦» 13:40, 17 July 2025 (UTC)[reply]

Discussion

• File:Flag of Gananoque, Ontario.svg

Article(s)

Gananoque, List of countries and territories with the Union Jack displayed on their flag, Commons:Flags of municipalities in Ontario, Commons:Flags based on British ensigns

Request

Can someone please create an SVG file for the town flag of Gananoque, Ontario, shown here? Thanks. Snow Lion Fenian (talk) 14:01, 18 July 2025 (UTC)[reply]

Discussion

• 
  "Option 1" - the winning design.
• File:Proposed flag of Cleveland (2024) - Option 2.svg
• File:Proposed flag of Cleveland (2024) - Option 3.svg
• 
  "Option 4" - the current city flag.

Article(s)

Flag of Cleveland

Request

Could someone please create SVG files for the remaining two finalists from the 2024 competition held to establish a "People's Flag" for the city of Cleveland? They are: "Option 2" and "Option 3". Thanks. Snow Lion Fenian (talk) 17:21, 18 July 2025 (UTC)[reply]

Discussion