[Talk-us] Standard (mapnik) toolchain/processes: can we teach these better?
clifford at snowandsnow.us
Sun May 25 21:25:22 UTC 2014
On Sun, May 25, 2014 at 12:46 PM, stevea <steveaOSM at softworkers.com> wrote:
> Thanks to the talk-us community for entertaining my grumpiness about this,
> but I truly believe there is a direct connection between asking OSMers to
> "map well" and the visual feedback (rewards? yes, I think so) we get by
> doing so. Sure, it's great that beaches (and many other mapped objects,
> usually named polygons that describe an area, like a beach, shopping center
> or many other "things") can be easily found from OSM's main map via a
> simply-type-it-in Nominatim search: that IS good. But when we see rendered
> labels disappearing, even when this is explained by the reason given, it
> can be disheartening. I DID "miss that" news/memo about this "since months"
> effort. Where might I have learned this?
> I am (slowly, even after being an OSM volunteer for over five years)
> discovering there are ways to effect how our map looks (carto-issues bug
> reporting, the potential to enter a mapnik feature request -- where?). But
> I do think it would be helpful if these "assumed to be known by everybody"
> facts (they aren't!) were better promulgated. Either in our wiki somewhere,
> or with a link from the main page, or some other relatively easily findable
> method. I conscientiously read (and contribute to) our wiki pages, I
> follow talk-us, I explore code in github, I play around with rendering
> tools...yet about the machinations that make our map look and behave the
> way it does, on a day-to-day basis -- AND the changes that happen to it --
> I seem to learn absolutely nothing. Until after the fact.
> Let's say I were to carefully consider that I DO think beaches (a polygon
> with tags natural=beach and name=*) should render in mapnik. What else?
> Polygons tagged landuse=commercial that also have a name=Shopping Center
> tag? (Maybe). And a hundred other potential things that used to
> (accidentally) render, but are now not being rendered in the interests of
> not rendering "catch alls." Do I enter a feature request for each and
> every one of them? Maybe, as that means I considered each and every one of
> them. But how do WE consider each and every one of them? Do we even do
> that? I ask sincerely. It seems many mapnik render decisions on an
> ongoing basis are made in a vacuum. That doesn't feel very OSM to me.
> In short: how might intermediate mappers like me better learn how our map
> is built and the processes which influence and effect changes within it?
> We should all have a stake in participating in these processes, should we
> wish to do so. That starts with better learning about them in the first
> place. I don't mean for it to seem like I think OSM's inner machinations
> are some big secret, I'm just asking for a bit of light to be shined along
> a path I can find this stuff out largely by myself.
> I'm pretty smart and resourceful, and can easily be pointed to the right
> places and told "Go." But I don't know a whole heck of a lot of what and
> where are these resources. Thanks in advance for a wide swath of pointers
> to get me (us) started.
OpenStreetMap: Maps with a human touch
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