Talk:APL logo

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Revision as of 10:10, 1 January 2022 by Soveran (talk | contribs) (→‎Lamp Box comment by ~~~: new section)
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Nested bitmaps comment by LdBeth

I love the bitmap style font used in this logo, and this one comes with many variations. Might be great if combined with the dot halftone style logo used for APL Wiki.

Parallel lines comment by RGS

The “parallel lines” logo is very hard to read and it's hard to understand that there's an “APL” written in there. In general, I would go for things that are easy to read.

Display matrix comment by PaulMansour (talk)

This is an excellent starting point, but rather than the exact output of the DISPLAY function, a good graphic designer could stylize it a bit, perhaps removing some white space, a little kerning on the letters, some color, etc.

Cube apple comment by Ros (talk)

Stylistically, I like this logo the best - but it is my least preferred option: for me, it is too reminiscent of the Dyalog application logo to be a general and independent APL logo. Ros (talk) 09:17, 8 October 2021 (UTC)

Script apple comment by Fiona

Although I rather like the "hollow" version of this, Dyalog Ltd have already adopted a slight variation of this for use as the APL Seeds logo (user meetings, events and information specifically for new APLers) – see here for an example and the detail makes it harder to shrink. The filled version is slightly more reminiscent of a bell pepper than an apple to me – I prefer the shape of the (otherwise similar) 50 Years one further down the page.

Cube apple comment by Fiona (talk)

I like the cube representation and its array implications but it's maybe a tad too similar to the Dyalog product logo. I really dislike the text – on first impression it looked odd, and when realising that it's APL glyphs instead of letters it just seemed a bit of an inside joke that might alienate those who are not in the know (the same comment applies to the "Lamp Rho Downstile" and "APL matrix" logos).

Parallel lines comment by Fiona (talk)

This might appeal to those who have fond memories of the rather brilliant book, but it looks very dated, is hard to read unless you already know what it said, wouldn't render well when small, and wouldn't work in black-and-white.

General comment by MichaelBaas

It would be useful if the icons were shown in the same size(s), perhaps 32x32 as a miniature version (favicon etc.) and 192 x 192, and maybe each on a black and on a white background - so 4 versions per icon.

Plain Ellipse comment by PaulMansour (talk)

Very nice. Simple, clean, should be good at all sizes. Gets my vote!

Display matrix comment by DanHirschi (talk)

I actually like this one. If placed in the matrix of other logos above, it would stand out a bit because of its simplicity (I think the white space actually helps). Possible changes (that might improve it): - make the letters and box a bit thicker - use the older font where the characters are more italicized - use the old underscored font - as mentioned, adjust the spacing between the letters

Plain Ellipse comment by Fiona (talk)

I agree with Paul's comment on the clarity and simplicity of this design but would suggest that it is not taken forward in this colour due to its similarity to an existing logo: APL Media's logo is a lower case "apl" in a red circle – – but perhaps a different single colour (green?) would introduce more differentiation.

APL Rotated Array comment by Adám Brudzewsky

I quite like this one. It is simple and timeless.

However, I will dispute that the APL Wiki logo is "the most established APL logo to date". It was in fact recently changed from its previous logo, as seen on, which was shared with APL Team.

Furthermore, APL isn't a well-recognised language, and so I think it is important that the logo spells out "APL" such that people can at least go search for it.

APL Wiki comment by KSK (talk)

The APL Wiki would be my preference, followed by the Display matrix (which would be nicer if it were boxed up without breaks and maybe slightly slanted), then the Cube Apple.

General comment by Adám Brudzewsky

I think we should avoid a logo based on an apple, to avoid any legal issues with Apple Inc. See justification here.

Display matrix comment by Razetime (talk)

I'd say this is the best one and then simplest by far.

General comment by Adám Brudzewsky

I think the letters "APL" should be clearly legible, and their order be obvious. Some logos are ambiguous if the name is APL or ALP etc. Stylising them as ⍝⍴⌊ might be fine, but APL isn't well-known, so the logo must give away the name such that people can go search for it.

General comment by Dr. Jürgen Sauermann (GNU APL author and maintainer)

All apple based logos: not really vendor-agnostic (too much similarity with Apple Inc.)

My preferred one: Lamp Rho Downstile. Not sure where the logos are being used but if I think of e.g. favicon.ico and similar usage (i.e. icons) then the logo should have a simple structure without tiny details that looks good even as a 32×32 pixel image.

General comment by Peter Cyriax (talk)

I like almost all of these Logos; but I think we really need to focus on what we are trying to achieve here and then choose a Logo that satisfies those objectives.

As I understand it, we want a Logo that is used to 'Promote the Use of APL'. If so, the Target Market is people who commision, design or implement IT sytems that could (or should?) be written in APL. Within this group and their influencers, those we most want to reach are the ones who have not even heard of APL, far less know anything about it. We need to sell them the benefits - robust, well functioning sytems with rapid development timelines, flexability and low maintenance. These benefits are what matter the them: their job is to get things done, so they typically have little interest per. se. in the beautiful technology that we care so much about and which gives rise to these benefits.

As far as I can make out we propose that the APL Logo will be used to "brand" demonstrations, presentations and systems plus associated documentation; and the core purpose of the Logo is to proclaim to the Target Market: "This is APL in Action", i.e. to promote the APL brand. Also, as far as I can make out, we anticipate that the APL Logo will typically display at a size of around 120 x 120 pixels - not a lot of space for such a big message. Because, what we have to fit into that space is:

1. This is written in APL                                       - Brand Recognition
2. APL is (and stands for) "A Programming Language" - the Target Market will not know this; plus we have to distinguish our "APL" from other uses of 'APL'
3. APL is a sophisticated IT Tool: it delivers huge benefits... - the Core Message.


Nested bitmaps comment by Dnm (talk)

+1 for this logo, as my first choice (FWIW).

Display matrix comment by Dnm (talk)

Maybe my second choice preference for a logo (again, FWIW).

Lamp Box comment by Soveran (talk)

This logo is simple, direct, recognizable, and beautiful. I would love to use it.