system
July 4, 2023, 12:13pm
1
你好、
我是TomTom公司的Syed，我有一个新的挑战要和大家分享。它包括台湾境内高速公路与建筑物相交的地点：
https://maproulette.org/browse/challenges/39412
如果有兴趣，你可以利用现有的资源（如航空图像和OpenStreetMap的GPS轨迹）、当地知识和MapRoulette中提供的说明来完成这493个任务。我的同事们将来也可以从事这些工作。
我想向那些可能注意到的人指出，这个挑战是在5月份创建的–我们最近刷新了这个挑战。
像往常一样，我请求你分享你关于这个挑战或任何其他感兴趣的领域的宝贵反馈。
你可以在GitHub上找到关于我们在台湾的数据改进活动的信息：
opened 10:53AM - 16 Jun 22 UTC
maproulette
quality checks
taiwan
missing features/tags
road network
# Project description
## Goal
Improving the map quality in Taiwan by sharing t… asks that can help fix data errors and/or add certain kinds of features.
## How to participate
Anyone is welcome to contribute to this project by participating in our MapRoulette challenges. Here is the [extended documentation](https://learn.maproulette.org/documentation) for using MapRoulette. Note that sometimes additional instructions are provided within the challenges. We also strongly encourage you to follow the [OSM editing good practices](https://wiki.openstreetmap.org/wiki/Good_practice) and [common tagging methods](https://wiki.openstreetmap.org/wiki/Zh-hant:Map_Features) for Taiwan.
When appropriate, TomTom will also work on the tasks. If they are more suited to be solved without organized help, we will indicate as such in the overview and leave them for interested mappers with local knowledge to complete the tasks.
Here is the current [set of challenges](https://maproulette.org/browse/projects/52480).
## Active Challenges
### Fix Building & Highway Intersections
Identify and fix, if needed, cases where a way with tag highway=* intersects with a building.
- [Taiwan - Fix Building & Highway intersections](https://maproulette.org/browse/challenges/39412)
### Road network challenges
Identify and add if needed, one or more missing ways.
- [Taiwan - Add Highways](https://maproulette.org/browse/challenges/39430)
## Inactive Challenges
### Isolated Highways Challenges
Click to expand
- [Taiwan - Connect Isolated Highways](https://maproulette.org/browse/challenges/39269)
These are tasks comprising of situations when a way with tag highway=* is not connected to the rest of the road network. Analyze and, if needed, connect the way to another way with tag highway=*.
### Quality check challenges
Click to expand.
- [Invalid Lane Tag](https://maproulette.org/browse/challenges/23778)
The tag lanes=* on ways with tag highway=* indicates the amount of lanes on the road at hand. The value for the lanes tag should be only one of the following numbers: 1, 1.5, 2, 3, 4, 5, 6, 7, 8, 9, 10. Any other value is incorrect and should be fixed.
- [Tag area=yes on object without feature type](https://maproulette.org/browse/challenges/23771)
The area=yes tag is required for some closed ways when used to define a polygon. For closed ways with other tags, there is an assumption that the way defines an area. In some circumstances, a closed way may define both a closed polyline and an area. When tag area=yes is used, it is expected that one of the necessary accompanying tags is also found.
- [Impossible angle in a highway](https://maproulette.org/browse/challenges/23774)
In general, roads intended for vehicles should be built to maintain proper angles which ensure maneuvers and fluent traffic. Extreme, too sharp angles applied to a way may indicate errors in the road geometry.
- [Invalid Turn Restriction](https://maproulette.org/browse/challenges/23776)
This check identifies invalid turn restrictions. Invalid turn restrictions occur in a variety of ways, from invalid members to edge geometry issues to not being routable to wrong topology. Relations, ways and nodes in relations as well as turn restrictions are checked. A relation needs to have exactly one way with role 'from' and exactly one way with role 'to'. These ways should be linked together by at least one way with role 'via' OR with exactly one node with role 'via' (no more and no less).
- [Invalid Mini-Roundabout](https://maproulette.org/browse/challenges/23779)
Mini-roundabouts are a special kind of roundabout with the same rules as other roundabouts, but present as painted circles rather than physical circles. There might also be a low, fully traversable dome or island that vehicles can drive across. Road traffic flows in one direction around a point in the middle, and the traffic in the roundabout has right-of-way. A mini-roundabout is recorded using the tag highway=mini_roundabout.
- [Polygon has self-intersection](https://maproulette.org/browse/challenges/23769)
The necessary edits will be made to fix cases where the tag on a way indicates that the object is a polygon feature, but the way does not meet the definition of a closed way because it is self-intersecting, or ways in a relation with the same role form a self-intersecting polygon
- [This multipolygon is a simple polygon](https://maproulette.org/browse/challenges/23773)
Simple areas are mapped in OSM by creating a closed way and tagging it as an area object rather than a line. Relations of the type multipolygon are used to represent complex areas with holes inside or consisting of multiple disjoint areas. A multipolygon relation can have any number of ways in the role outer (the outline) and any number of ways in the role inner (the holes), and these must form valid rings to build a multipolygon. When a relation of the type multipolygon consists of only one member, which is a simple area, an error is logged.
- [Spiky buildings](https://maproulette.org/browse/challenges/23775)
Buildings with extremely sharp angles will be identified and corrected if needed.
- [Polygon is not closed](https://maproulette.org/browse/challenges/23768)
Features intended to be a polygon should be correctly tagged. When the tag indicates that the object should be a polygon, but the geometry is built out of a NON-closed way, an error is logged.
## Geographical scope
Data improvements will be made across the whole country.
## Announcements
- Announced the Fix Building & Highway intersections challenge on 04-Jul-23 in the [Taiwan community forum]().
- Announced the Add Highways challenge on 02-Jun-23 in the [Taiwan community forum](https://community.openstreetmap.org/t/maproulette/99747).
- Announced the Isolated Highways challenge on 09-May-23 in the [OSM community forum](https://community.openstreetmap.org/t/maproulette/98890).
- This project was announced in the [Talk-TW mailing list](https://lists.openstreetmap.org/pipermail/talk-tw/2021-December/001491.html).
## TomTom organised editing
We will follow the [Organised Editing Guidelines](https://wiki.osmfoundation.org/wiki/Organised_Editing_Guidelines) for this project. TomTom will not make any edits until two weeks after the project announcement. Here is our [Organised Editing page](https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/TomTom), including a list of our editors.
### How to find TomTom's edits
All edits made by our team have the hashtag #tt or #tomtom.
## Sources for editing
- Maxar
- Esri
- Bing
## How to reach out
If you have remarks about a specific edit of ours, please drop a comment in the changeset, and we will do our best to respond thoughtfully. Or, you can also:
- send a message to the project lead [Syed](https://www.openstreetmap.org/user/Syed_N),
- join the conversation in the [Taiwan community forum](),
- email [osm@tomtom.com](mailto:osm@tomtom.com).
快乐的绘图!
Hello,
I am Syed from TomTom, and I have a new challenge to share with you. It consists of locations in Taiwan where a highway intersects with a building:
https://maproulette.org/browse/challenges/39412
If interested, you can work on these 493 tasks using available sources (like aerial imagery and OpenStreetMap GPS traces), local knowledge, and the instructions provided in MapRoulette. My colleagues could also work on them in the future.
I want to point out to those who might notice that this challenge was created in May – we recently refreshed it.
As always, I request you to share your valuable feedback concerning this challenge or any other areas of interest.
You can find information on GitHub about our data improvement activities in Taiwan:
opened 10:53AM - 16 Jun 22 UTC
maproulette
quality checks
taiwan
missing features/tags
road network
# Project description
## Goal
Improving the map quality in Taiwan by sharing t… asks that can help fix data errors and/or add certain kinds of features.
## How to participate
Anyone is welcome to contribute to this project by participating in our MapRoulette challenges. Here is the [extended documentation](https://learn.maproulette.org/documentation) for using MapRoulette. Note that sometimes additional instructions are provided within the challenges. We also strongly encourage you to follow the [OSM editing good practices](https://wiki.openstreetmap.org/wiki/Good_practice) and [common tagging methods](https://wiki.openstreetmap.org/wiki/Zh-hant:Map_Features) for Taiwan.
When appropriate, TomTom will also work on the tasks. If they are more suited to be solved without organized help, we will indicate as such in the overview and leave them for interested mappers with local knowledge to complete the tasks.
Here is the current [set of challenges](https://maproulette.org/browse/projects/52480).
## Active Challenges
### Fix Building & Highway Intersections
Identify and fix, if needed, cases where a way with tag highway=* intersects with a building.
- [Taiwan - Fix Building & Highway intersections](https://maproulette.org/browse/challenges/39412)
### Road network challenges
Identify and add if needed, one or more missing ways.
- [Taiwan - Add Highways](https://maproulette.org/browse/challenges/39430)
## Inactive Challenges
### Isolated Highways Challenges
Click to expand
- [Taiwan - Connect Isolated Highways](https://maproulette.org/browse/challenges/39269)
These are tasks comprising of situations when a way with tag highway=* is not connected to the rest of the road network. Analyze and, if needed, connect the way to another way with tag highway=*.
### Quality check challenges
Click to expand.
- [Invalid Lane Tag](https://maproulette.org/browse/challenges/23778)
The tag lanes=* on ways with tag highway=* indicates the amount of lanes on the road at hand. The value for the lanes tag should be only one of the following numbers: 1, 1.5, 2, 3, 4, 5, 6, 7, 8, 9, 10. Any other value is incorrect and should be fixed.
- [Tag area=yes on object without feature type](https://maproulette.org/browse/challenges/23771)
The area=yes tag is required for some closed ways when used to define a polygon. For closed ways with other tags, there is an assumption that the way defines an area. In some circumstances, a closed way may define both a closed polyline and an area. When tag area=yes is used, it is expected that one of the necessary accompanying tags is also found.
- [Impossible angle in a highway](https://maproulette.org/browse/challenges/23774)
In general, roads intended for vehicles should be built to maintain proper angles which ensure maneuvers and fluent traffic. Extreme, too sharp angles applied to a way may indicate errors in the road geometry.
- [Invalid Turn Restriction](https://maproulette.org/browse/challenges/23776)
This check identifies invalid turn restrictions. Invalid turn restrictions occur in a variety of ways, from invalid members to edge geometry issues to not being routable to wrong topology. Relations, ways and nodes in relations as well as turn restrictions are checked. A relation needs to have exactly one way with role 'from' and exactly one way with role 'to'. These ways should be linked together by at least one way with role 'via' OR with exactly one node with role 'via' (no more and no less).
- [Invalid Mini-Roundabout](https://maproulette.org/browse/challenges/23779)
Mini-roundabouts are a special kind of roundabout with the same rules as other roundabouts, but present as painted circles rather than physical circles. There might also be a low, fully traversable dome or island that vehicles can drive across. Road traffic flows in one direction around a point in the middle, and the traffic in the roundabout has right-of-way. A mini-roundabout is recorded using the tag highway=mini_roundabout.
- [Polygon has self-intersection](https://maproulette.org/browse/challenges/23769)
The necessary edits will be made to fix cases where the tag on a way indicates that the object is a polygon feature, but the way does not meet the definition of a closed way because it is self-intersecting, or ways in a relation with the same role form a self-intersecting polygon
- [This multipolygon is a simple polygon](https://maproulette.org/browse/challenges/23773)
Simple areas are mapped in OSM by creating a closed way and tagging it as an area object rather than a line. Relations of the type multipolygon are used to represent complex areas with holes inside or consisting of multiple disjoint areas. A multipolygon relation can have any number of ways in the role outer (the outline) and any number of ways in the role inner (the holes), and these must form valid rings to build a multipolygon. When a relation of the type multipolygon consists of only one member, which is a simple area, an error is logged.
- [Spiky buildings](https://maproulette.org/browse/challenges/23775)
Buildings with extremely sharp angles will be identified and corrected if needed.
- [Polygon is not closed](https://maproulette.org/browse/challenges/23768)
Features intended to be a polygon should be correctly tagged. When the tag indicates that the object should be a polygon, but the geometry is built out of a NON-closed way, an error is logged.
## Geographical scope
Data improvements will be made across the whole country.
## Announcements
- Announced the Fix Building & Highway intersections challenge on 04-Jul-23 in the [Taiwan community forum]().
- Announced the Add Highways challenge on 02-Jun-23 in the [Taiwan community forum](https://community.openstreetmap.org/t/maproulette/99747).
- Announced the Isolated Highways challenge on 09-May-23 in the [OSM community forum](https://community.openstreetmap.org/t/maproulette/98890).
- This project was announced in the [Talk-TW mailing list](https://lists.openstreetmap.org/pipermail/talk-tw/2021-December/001491.html).
## TomTom organised editing
We will follow the [Organised Editing Guidelines](https://wiki.osmfoundation.org/wiki/Organised_Editing_Guidelines) for this project. TomTom will not make any edits until two weeks after the project announcement. Here is our [Organised Editing page](https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/TomTom), including a list of our editors.
### How to find TomTom's edits
All edits made by our team have the hashtag #tt or #tomtom.
## Sources for editing
- Maxar
- Esri
- Bing
## How to reach out
If you have remarks about a specific edit of ours, please drop a comment in the changeset, and we will do our best to respond thoughtfully. Or, you can also:
- send a message to the project lead [Syed](https://www.openstreetmap.org/user/Syed_N),
- join the conversation in the [Taiwan community forum](),
- email [osm@tomtom.com](mailto:osm@tomtom.com).
Happy mapping!
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Ce sujet de discussion accompagne la publication sur https://community.openstreetmap.org/t/challenge-to-improve-highways-intersecting-buildings/100799