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  3. Yet another reason to tut at the Mercator map projection

Yet another reason to tut at the Mercator map projection

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  • davey_cakes@mastodon.ieD davey_cakes@mastodon.ie

    @infobeautiful ah sure Greenland is TINY.

    Denmark should just hand it over and quit this dog in the manger stuff.

    /s

    malte@radikal.socialM This user is from outside of this forum
    malte@radikal.socialM This user is from outside of this forum
    malte@radikal.social
    wrote sidst redigeret af
    #27

    @davey_cakes Regardless of your sarcasm, that is not the choice for Denmark to take (your joke reproduces that idea). Greenland has native people living there and it is not something to hand over or not.

    1 Reply Last reply
    0
    • infobeautiful@vis.socialI infobeautiful@vis.social

      Yet another reason to tut at the Mercator map projection
      https://brilliantmaps.com/mercator-vs-true-size/

      malte@radikal.socialM This user is from outside of this forum
      malte@radikal.socialM This user is from outside of this forum
      malte@radikal.social
      wrote sidst redigeret af
      #28

      @infobeautiful What would the "True Country Size Map" be called? I'm ready to orient myself toward something else than the Mercator map projection.

      wintergr33n@lingo.lolW 1 Reply Last reply
      0
      • infobeautiful@vis.socialI infobeautiful@vis.social

        Yet another reason to tut at the Mercator map projection
        https://brilliantmaps.com/mercator-vs-true-size/

        alejandro_p@mathstodon.xyzA This user is from outside of this forum
        alejandro_p@mathstodon.xyzA This user is from outside of this forum
        alejandro_p@mathstodon.xyz
        wrote sidst redigeret af
        #29

        @infobeautiful Equadorians have no issue with this projection tho

        1 Reply Last reply
        0
        • infobeautiful@vis.socialI infobeautiful@vis.social

          Yet another reason to tut at the Mercator map projection
          https://brilliantmaps.com/mercator-vs-true-size/

          quixote@mastodon.nzQ This user is from outside of this forum
          quixote@mastodon.nzQ This user is from outside of this forum
          quixote@mastodon.nz
          wrote sidst redigeret af
          #30

          @infobeautiful Very useful to see. Done by a professional, so I must be wrong, but where I am (north New Zealand) is at about the same latitude as San Francisco, but we seem to be less shrunk?

          Re discussion about more realistic projections, my favourite is Cahill-Keyes. http://www.genekeyes.com/world_map_poster.html

          libroraptor@mastodon.nzL tml@mementomori.socialT 2 Replies Last reply
          0
          • malte@radikal.socialM malte@radikal.social

            @infobeautiful What would the "True Country Size Map" be called? I'm ready to orient myself toward something else than the Mercator map projection.

            wintergr33n@lingo.lolW This user is from outside of this forum
            wintergr33n@lingo.lolW This user is from outside of this forum
            wintergr33n@lingo.lol
            wrote sidst redigeret af
            #31

            @malte @infobeautiful

            Yeah, I would rather just see a new map than this.

            OK, here's two:

            http://www.authagraph.com/projects/description/%E3%80%90%E4%BD%9C%E5%93%81%E8%A7%A3%E8%AA%AC%E3%80%91%E8%A8%98%E4%BA%8B01/?lang=en

            https://en.wikipedia.org/wiki/Dymaxion_map

            1 Reply Last reply
            0
            • infobeautiful@vis.socialI infobeautiful@vis.social

              Yet another reason to tut at the Mercator map projection
              https://brilliantmaps.com/mercator-vs-true-size/

              utf_7@mastodon.socialU This user is from outside of this forum
              utf_7@mastodon.socialU This user is from outside of this forum
              utf_7@mastodon.social
              wrote sidst redigeret af
              #32

              @infobeautiful https://realcountrysizes.com/

              1 Reply Last reply
              0
              • infobeautiful@vis.socialI infobeautiful@vis.social

                Yet another reason to tut at the Mercator map projection
                https://brilliantmaps.com/mercator-vs-true-size/

                edgeofeurope@mastodon.socialE This user is from outside of this forum
                edgeofeurope@mastodon.socialE This user is from outside of this forum
                edgeofeurope@mastodon.social
                wrote sidst redigeret af
                #33

                @infobeautiful it all depends on what the purpose of the map is.

                libroraptor@mastodon.nzL 1 Reply Last reply
                0
                • lokjo@mapstodon.spaceL lokjo@mapstodon.space

                  @Osteopenia_Powers @stevefaeembra @x_tof @infobeautiful

                  Not sure if this is the link you wanted to post.

                  osteopenia_powers@newsie.socialO This user is from outside of this forum
                  osteopenia_powers@newsie.socialO This user is from outside of this forum
                  osteopenia_powers@newsie.social
                  wrote sidst redigeret af
                  #34

                  @lokjo
                  Thanks, I'll fix it.
                  @stevefaeembra @x_tof @infobeautiful

                  1 Reply Last reply
                  0
                  • edgeofeurope@mastodon.socialE edgeofeurope@mastodon.social

                    @infobeautiful it all depends on what the purpose of the map is.

                    libroraptor@mastodon.nzL This user is from outside of this forum
                    libroraptor@mastodon.nzL This user is from outside of this forum
                    libroraptor@mastodon.nz
                    wrote sidst redigeret af
                    #35

                    @edgeofeurope @infobeautiful Indeed. I feel that the anti-Mercator abuse neglects what the projection is good for, and what practical problem it was invented to solve.

                    1 Reply Last reply
                    0
                    • infobeautiful@vis.socialI infobeautiful@vis.social

                      Yet another reason to tut at the Mercator map projection
                      https://brilliantmaps.com/mercator-vs-true-size/

                      sleepy62@social.vivaldi.netS This user is from outside of this forum
                      sleepy62@social.vivaldi.netS This user is from outside of this forum
                      sleepy62@social.vivaldi.net
                      wrote sidst redigeret af
                      #36

                      @infobeautiful

                      A very bad graphic. The point is taken but that map is very inaccurate. Eg the Canadian southern border should fit perfectly with the USA but it is shrink way too much. There are much better maps which account for there projection errors.

                      schwa@mastodon.socialS 1 Reply Last reply
                      0
                      • infobeautiful@vis.socialI infobeautiful@vis.social

                        Yet another reason to tut at the Mercator map projection
                        https://brilliantmaps.com/mercator-vs-true-size/

                        bruce@darkmoon.socialB This user is from outside of this forum
                        bruce@darkmoon.socialB This user is from outside of this forum
                        bruce@darkmoon.social
                        wrote sidst redigeret af
                        #37

                        @infobeautiful

                        What this map shows is that America's penis (Florida) is much smaller than Americans think.

                        heliograph@mastodon.auH 1 Reply Last reply
                        0
                        • quixote@mastodon.nzQ quixote@mastodon.nz

                          @infobeautiful Very useful to see. Done by a professional, so I must be wrong, but where I am (north New Zealand) is at about the same latitude as San Francisco, but we seem to be less shrunk?

                          Re discussion about more realistic projections, my favourite is Cahill-Keyes. http://www.genekeyes.com/world_map_poster.html

                          libroraptor@mastodon.nzL This user is from outside of this forum
                          libroraptor@mastodon.nzL This user is from outside of this forum
                          libroraptor@mastodon.nz
                          wrote sidst redigeret af
                          #38

                          @quixote @infobeautiful I have a feeling that it looks this way because NZ is smaller so, though the percentage difference is about the same, the absolute difference is smaller and less obvious to the eye in this colour scheme – at first glance, I don't see the NZ area difference at all because the colours are so close. Which means that the map maybe wasn't really made by an especially expert expert. Or else that the colour scheme was chosen exactly for that reason: to show that the southern lands are mistakenly thought to be much much smaller than they really are, relative to the northern. My son's godparents had no idea how big New Zealand was until they came to visit us; they were initially planning their trip on the understanding that the whole country was about the size of New England. These are Ivy educated people, both PhDs, both academics. Even they fell for it.

                          The more interesting thing that I see on this map is how, because the latitudes are omitted, the area scaling looks so asymmetric – you can't see that the equator is markedly within the lower half rather than through the middle and a lot of people have little idea of where the equator is. I have a feeling that this is its primary intention.

                          Still, the primary point of the Mercator projection is that it's good for compass navigation. Our failure to teach this is the problem – hiding the purpose sets learners up to use maps inappropriately for their whole lives.

                          quixote@mastodon.nzQ 1 Reply Last reply
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                          • bobdevney@wandering.shopB bobdevney@wandering.shop

                            @infobeautiful

                            Fascinating, thanks!

                            Here's obligatory link to great bit from TV's "The West Wing." Where cartographers compare Mercator versus Peters projections for stunned C.J. and Josh.

                            The head map guy is played with perfect drollery by the invaluable John Billingsley (Star Trek: Enterprise; The Man from Earth, etc.).

                            Cartographer: "Nothing's where you think it is."
                            C.J: "Where is it?"
                            Cartographer: "I'm glad you asked…"

                            https://www.youtube.com/watch?v=H3Xyz9MgDWA

                            #Maps #TV #Imperialism #Cartography

                            icooiey@mastodon.greenI This user is from outside of this forum
                            icooiey@mastodon.greenI This user is from outside of this forum
                            icooiey@mastodon.green
                            wrote sidst redigeret af
                            #39

                            @BobDevney @infobeautiful You can’t do that.

                            aspragg@ohai.socialA 1 Reply Last reply
                            0
                            • bruce@darkmoon.socialB bruce@darkmoon.social

                              @infobeautiful

                              What this map shows is that America's penis (Florida) is much smaller than Americans think.

                              heliograph@mastodon.auH This user is from outside of this forum
                              heliograph@mastodon.auH This user is from outside of this forum
                              heliograph@mastodon.au
                              wrote sidst redigeret af
                              #40

                              @bruce you beat me to it >.< @infobeautiful

                              1 Reply Last reply
                              0
                              • infobeautiful@vis.socialI infobeautiful@vis.social

                                Yet another reason to tut at the Mercator map projection
                                https://brilliantmaps.com/mercator-vs-true-size/

                                heliograph@mastodon.auH This user is from outside of this forum
                                heliograph@mastodon.auH This user is from outside of this forum
                                heliograph@mastodon.au
                                wrote sidst redigeret af
                                #41

                                @infobeautiful oh look how tiny #murica really is... just like his hands

                                1 Reply Last reply
                                0
                                • infobeautiful@vis.socialI infobeautiful@vis.social

                                  Yet another reason to tut at the Mercator map projection
                                  https://brilliantmaps.com/mercator-vs-true-size/

                                  cosmictraveler@mastodon.socialC This user is from outside of this forum
                                  cosmictraveler@mastodon.socialC This user is from outside of this forum
                                  cosmictraveler@mastodon.social
                                  wrote sidst redigeret af
                                  #42

                                  @infobeautiful Someone please fwd this to trump

                                  1 Reply Last reply
                                  0
                                  • infobeautiful@vis.socialI infobeautiful@vis.social

                                    Yet another reason to tut at the Mercator map projection
                                    https://brilliantmaps.com/mercator-vs-true-size/

                                    tml@mementomori.socialT This user is from outside of this forum
                                    tml@mementomori.socialT This user is from outside of this forum
                                    tml@mementomori.social
                                    wrote sidst redigeret af
                                    #43

                                    @infobeautiful "Yet another"? Isn't that the one single reason why people keep tutting at it all the time?

                                    (And, sadly, many probably think that Mercator is the only projection with this particular distortion or that there are ideal projections that don't distort anything.)

                                    1 Reply Last reply
                                    0
                                    • libroraptor@mastodon.nzL libroraptor@mastodon.nz

                                      @quixote @infobeautiful I have a feeling that it looks this way because NZ is smaller so, though the percentage difference is about the same, the absolute difference is smaller and less obvious to the eye in this colour scheme – at first glance, I don't see the NZ area difference at all because the colours are so close. Which means that the map maybe wasn't really made by an especially expert expert. Or else that the colour scheme was chosen exactly for that reason: to show that the southern lands are mistakenly thought to be much much smaller than they really are, relative to the northern. My son's godparents had no idea how big New Zealand was until they came to visit us; they were initially planning their trip on the understanding that the whole country was about the size of New England. These are Ivy educated people, both PhDs, both academics. Even they fell for it.

                                      The more interesting thing that I see on this map is how, because the latitudes are omitted, the area scaling looks so asymmetric – you can't see that the equator is markedly within the lower half rather than through the middle and a lot of people have little idea of where the equator is. I have a feeling that this is its primary intention.

                                      Still, the primary point of the Mercator projection is that it's good for compass navigation. Our failure to teach this is the problem – hiding the purpose sets learners up to use maps inappropriately for their whole lives.

                                      quixote@mastodon.nzQ This user is from outside of this forum
                                      quixote@mastodon.nzQ This user is from outside of this forum
                                      quixote@mastodon.nz
                                      wrote sidst redigeret af
                                      #44

                                      @libroraptor @infobeautiful Indeed! I was surprised to hear that NZ is about the same size as California from top to bottom and side to side. They have a lot of nerve just constantly dropping us off world maps all the time, don't they? 😆

                                      terminally_shy@mastodon.sdf.orgT 1 Reply Last reply
                                      0
                                      • infobeautiful@vis.socialI infobeautiful@vis.social

                                        Yet another reason to tut at the Mercator map projection
                                        https://brilliantmaps.com/mercator-vs-true-size/

                                        gimulnautti@mastodon.greenG This user is from outside of this forum
                                        gimulnautti@mastodon.greenG This user is from outside of this forum
                                        gimulnautti@mastodon.green
                                        wrote sidst redigeret af
                                        #45

                                        @infobeautiful i’m definitely a fan of the Peters Projection.

                                        I clearly remember a 🤯 moment from first or second grade when I saw it for the first time!

                                        gimulnautti@mastodon.greenG 1 Reply Last reply
                                        0
                                        • x_tof@verkehrswende.socialX x_tof@verkehrswende.social

                                          @lokjo @infobeautiful it's not an issue about north vs south.
                                          The difference in size comes from the distance to the equator.

                                          eythian@teh.entar.netE This user is from outside of this forum
                                          eythian@teh.entar.netE This user is from outside of this forum
                                          eythian@teh.entar.net
                                          wrote sidst redigeret af
                                          #46

                                          @x_tof
                                          I've seen European maps that have the equator two thirds of the way down, I'm not sure if they're rescaling the southern hemisphere or just cutting off Antarctica, but either way it causes some bias.
                                          @lokjo @infobeautiful

                                          1 Reply Last reply
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