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Opened 6 months ago

Last modified 5 months ago

#16251 new enhancement

Zooming and panning slows down on at lower zoom levels with if a lot of data is loaded

Reported by: contrapunctus Owned by: team
Priority: normal Milestone:
Component: Core mappaint Version: latest
Keywords: template_report performance Cc:

Description

What steps will reproduce the problem?

  1. Download using query (highway=bus_stop or (public_transport=platform and bus=yes)) or (type:relation and type=route and route=bus) in Delhi
  2. Try to zoom or pan at a low zoom level

When working with PT data, this is my preferred workflow, because it

  • gives me access to all route relations at one go without further interruption in work,
  • avoids duplication of route relations,
  • lets me see bus stops which are not part of relations.
URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-03-26 22:16:39 +0200 (Mon, 26 Mar 2018)
Build-Date:2018-03-26 20:45:23
Revision:13576
Redirecting:to URL 'https://josm.openstreetmap.de/svn/trunk':
Relative:URL: ^/trunk

Identification: JOSM/1.5 (13576 en) Linux Debian GNU/Linux 9.4 (stretch)
Memory Usage: 374 MB / 866 MB (168 MB allocated, but free)
Java version: 1.8.0_171-8u171-b11-1~deb9u1-b11, Oracle Corporation, OpenJDK Server VM
Screen: :0.0 1366x768
Maximum Screen Size: 1366x768
Java package: openjdk-8-jre:i386-8u171-b11-1~deb9u1
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-13+deb9u1
Dataset consistency test: No problems found

Plugins:
+ alignways (34109)
+ continuosDownload (68)
+ download_along (34081)
+ pt_assistant (34117)
+ public_transport (34109)
+ reverter (34109)

Map paint styles:
- https://github.com/bastik/mapcss-tools/raw/osm/mapnik2mapcss/osm-results/mapnik.zip
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.

Attachments (0)

Change History (3)

comment:1 Changed 6 months ago by Don-vip

Keywords: performance added

comment:2 Changed 6 months ago by Klumbumbus

Component: CoreCore mappaint

comment:3 Changed 5 months ago by Don-vip

In 13875/josm:

see #16128, see #16251 - display street labels on z18+, operation very costly on urban areas

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