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I have a lot of trouble distinguishing the direction of a oneway highway in JOSM. Usually, I select the segment and note the direction in which the big arrowhead is pointing. When the segment is not selected there are small arrows inside the rendered way that do not necessarily point in that same direction. The rendering for tertiary highways is worse than that for primaries or trunks-- deciphering the direction those tiny "arrowheads" are pointing (if indeed they are pointing) is practically impossible. Very confusing. Adding to that confusion is the fact that I'm mapping in a country where you drive on the opposite side from the U.S. and the situation can be very error prone. Help me understand the best way to visualize the direction of a oneway segment. |
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In addition to Hendrikklaas's answer, some settings you can play with in edit -> preferences -> display (first icon) -> OSM data :
If those easy changes aren't enough, you might be able to tweak the oneway arrow style explicitly :
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That is exactly what I was looking for. Adding the arrow at the head of the way works wonderfully. I'll try the paint style too, but right now I have some multi-lane intersections to check for correctness. Thanks
(24 Dec '13, 16:30)
AlaskaDave
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@Vincent - I've been playing around with the mapcss file and would like to understand the various parameters. Can you point me to a tutorial or language reference? My Google searches haven't found anything worthwhile ....
(25 Dec '13, 03:53)
AlaskaDave
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@AlaskaDave See the reference page or this tutorial or just the styles page which links to them. The documentation isn'guaranteed to match the latest implementation.
(27 Dec '13, 00:07)
Vincent de P... ♦
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Thanks Vincent - I've tried many things but none seem to work exactly as advertised. Plus, the custom styles that do work "get remembered" after I update the mapcss file. I tried to come up with a style that would better illustrate the oneway direction but have given that up and settled for merely displaying the direction arrow at the head of the ways, as you suggested in bullet 2 above.
(27 Dec '13, 02:16)
AlaskaDave
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Alaskadave, visualizing a way is part of the rendering, you won’t be able to change that. The direction of a way is managed with the tags in the advanced menus. Look here, http://wiki.openstreetmap.org/wiki/Key:oneway. 2
"you won’t be able to change that" <- yes you will, you can create your own MapCSS style (as Vincent has correctly explained)
(24 Dec '13, 11:10)
Richard ♦
Off course a local map, dont tag for the renderer isnt a frase, is it ?
(24 Dec '13, 12:25)
Hendrikklaas
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The question is about an editor and likewise Richard/Vincent meant changing the editor's stylesheet.
(24 Dec '13, 12:48)
scai ♦
An oldy while I was looking for a render problem solution in Rapino, Via Fiume https://www.openstreetmap.org/changeset/129553561#map=18/42.21186/14.18746 Followed all of the above while using JOSM 18583, always latest stable. Changed a oneway direction using the R key. The red arrow while selected changed direction, the pop-up window proposed to change direction value to oneway=-1 value (yes). Before the change and the way not selected, the way shows grey with little black triangles pointing east. After the change the little black triangles still point east, when the oneway that is on the other side of the block points west with oneway=yes, correctly. Then, I got a QA alert next day to say the -1 value is deprecated and should use the reverse function to set the direction. Checking in ID Editor indeed the -1 value is on the oneway and then using the reverse in ID twice, the value changed is back to yes, it is in fact in ID always yes. The arrows on the way in ID properly change direction with each reverse operation. So, does JOSM have 1) a render problem for the little black triangles. 2) an issue with using deprecated value for oneway, either yes or -1
(01 Dec '22, 08:28)
SekeRob
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Can you please post a screenshot? Maybe this problem is caused by your resolution etc. as personally I don't have problems to identify oneway roads in the default style :(