Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Mark Williams
Lars Aronsson wrote: [some serious stuff] Also, returning to cycle lanes, the secondary road Malmslättsvägen is now marked with cycleway=lane, but this doesn't show on the map here. And how can I indicate that this bus stop is only on the southern side of the street (buses going east)?

Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Andy Robinson
On 26/03/2008, Mark Williams [EMAIL PROTECTED] wrote: Lars Aronsson wrote: [some serious stuff] Also, returning to cycle lanes, the secondary road Malmslättsvägen is now marked with cycleway=lane, but this doesn't show on the map here. And how can I indicate that this bus stop is

Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Lars Aronsson
Andy Robinson wrote: Its perhaps not ideal to place the bus_stop off to the side of the highway since the stop is part of the highway. What's more, the bus stop is a physical area, some 5-6 metres wide that is a wedge between the street and the cycleway+sidewalk. I'd like things to be

Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Mark Williams
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Andy Robinson wrote: On 26/03/2008, Mark Williams [EMAIL PROTECTED] wrote: Lars Aronsson wrote: [some serious stuff] Also, returning to cycle lanes, the secondary road Malmslättsvägen is now marked with cycleway=lane, but this doesn't

Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Juan Lucas Dominguez Rubio
De: [EMAIL PROTECTED] en nombre de Mark Williams Enviado el: mié 26/03/2008 18:35 Para: Andy Robinson CC: talk@openstreetmap.org Asunto: Re: [OSM-talk] JOSM and scale -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Andy Robinson wrote: On 26/03/2008, Mark Williams [EMAIL PROTECTED

Re: [OSM-talk] JOSM and scale

2008-03-26 Thread Iván Sánchez Ortega
El Miércoles, 26 de Marzo de 2008, Lars Aronsson escribió: The optimal solution for computerized maps is to use Mercator on the local level and a picture of a rotating globe on the world map, just like Google Earth does. But that's a lot harder to do on the web with today's technology (HTML,

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Juan Lucas Dominguez Rubio
Yes, they are probably using the same scale bar for WGS84 and Mercator. As far as I know, in WGS84, the scale bar is correct vertically (lat), but in Mercator, that scale bar is wrong both vertically and horizontally if you are far away from the Equator. As you say, one easy way would be to

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Robert (Jamie) Munro
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Juan Lucas Dominguez Rubio wrote: | Yes, they are probably using the same scale bar for WGS84 and Mercator. | | As far as I know, in WGS84, the scale bar is correct vertically (lat), | but in Mercator, that scale bar is wrong both vertically and |

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread David Earl
On 25/03/2008 17:16, Andy Robinson (blackadder) wrote: Vector editing software such as CAD packages are normally scale free at the editing level. The co-ordinates are simply sufficient, especially if you have the ability to draw a vector a specific distance from a point as a polar ray or

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Andy Robinson (blackadder)
David Earl [mailto:[EMAIL PROTECTED] wrote: Sent: 25 March 2008 5:30 PM To: Andy Robinson (blackadder) Cc: 'Frederik Ramm'; 'Lars Aronsson'; talk@openstreetmap.org Subject: Re: [OSM-talk] JOSM and scale On 25/03/2008 17:16, Andy Robinson (blackadder) wrote: Vector editing software such as CAD

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Juan Lucas Dominguez Rubio
(blackadder) CC: talk@openstreetmap.org Asunto: Re: [OSM-talk] JOSM and scale On 25/03/2008 17:16, Andy Robinson (blackadder) wrote: Vector editing software such as CAD packages are normally scale free at the editing level. The co-ordinates are simply sufficient, especially if you have the ability

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Frederik Ramm
Hi, In Mercator distance is constant independent of orientation, isn't it? No, the effect is just not as pronounced as it is if you use EPSG4326. Bye Frederik -- Frederik Ramm ## eMail [EMAIL PROTECTED] ## N49°00'09 E008°23'33 ___ talk

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread David Earl
On 25/03/2008 19:16, Iván Sánchez Ortega wrote: quote who=David Earl In Mercator distance is constant independent of orientation, isn't it? Wrong. Quoting Wikipedia: While the direction and shapes are accurate on a Mercator projection, it distorts the size. In other words, the Mercator

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Iván Sánchez Ortega
quote who=David Earl In Mercator distance is constant independent of orientation, isn't it? Wrong. Quoting Wikipedia: While the direction and shapes are accurate on a Mercator projection, it distorts the size. In other words, the Mercator projection is conformal, but not equidistant. In other

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Andy Robinson (blackadder)
Robert (Jamie) Munro wrote: Sent: 25 March 2008 10:27 PM To: Juan Lucas Dominguez Rubio Cc: talk@openstreetmap.org Subject: Re: [OSM-talk] JOSM and scale -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Juan Lucas Dominguez Rubio wrote: | In Mercator distance is constant independent

Re: [OSM-talk] JOSM and scale

2008-03-25 Thread Lars Aronsson
Juan Lucas Dominguez Rubio wrote: If you use JOSM with the Mercator projection and draw a perfect circle in the North of Sweden, you are actually drawing a horizontal ellipse (east-west oriented) in the real world. Not true. The very idea of (the transversal) Mercator is that shapes such