Hi, In addition to my message I want you to see the modifications I had to made.
Open this webpage:
https://overpass-api.de/achavi/?changeset=151062619
Red lined objects a. re my modifications.
In a number of times you mapped empty pieces of ground or a courtyard.
For a beginner mapper is this task a bit to difficult. Look after easier task if I might advise you.
Best regards

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Inaccurate mapped. Quality preveals above Quantity!
Buildings not squared.
Connected nodes of buildings to other features like highways and other buildings
Included a yard into mappings

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/151027053

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Buildings need to be mapped as building=yes instead of building=house
Inaccurate mapped.
Often included a yard.
Collected multiple buildings as 1 building.
Buildings not squared.
Connected nodes of buildings to each other.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150994902

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Collected multiple buildings and mapped them as 1
The lower part are groups of 2 buildings, close together.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150676787

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Collected (often 2 buildings) multiple buildings and mapped as 1. Look for the fences between gardens to decide how many buildings need to be mapped
Each building need to be mapped accurate and individually.
Inaccurate mapped. Often just a rectangular where the buildings are more complex

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150995152

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Inaccurate mapped. Follow the rooflines more precise.
Buildings not squared.
Included the shadow into a mapping.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150995195

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Inaccurate mapped.
Buildings not squared.
Clustered buildings

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150999304

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Oversized mapped. Mapped a complete
Buildings inaccurate mapped.
Just a rectangular where the building has complex corners
clustered buildings.
Connected nodes of a building to other buildings.
Bad mappings are removed. need to be mapped again.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150937748

Thank you for mapping. You have correctly identified the location of most objects and mapped. However, not always accurate and not squared.

Reminder: Please be sure to square all rectangular buildings with the Q key
Reviewed by a validator at random or as requested.
FYI. Please view this video about common new mappers mistakes.
https://www.youtube.com/watch?v=Xs5wX592E1o&t=2s
https://www.youtube.com/watch?v=ltn1VOiq5_0
In this document, you will find some hints and tricks which might help to expand your mapping skills.
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit
Best regards and keep mapping.
---
#REVIEWED_GOOD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150998798

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Inaccurate mapped.
Buildings not squared.
Clustered buildings. In 1 case, you clustered 4-5 buildings , even over the border of the task.
Mapped yard as a building.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150999050

Hi Hessel.
When you add a courtyard into a building, Create a multipolygon of it
Select the outlines as well as the courtyard(s) and press Ctr+B.
You can find it also under the 'more tools' tab
Best regards

We welcome you as a new mapper. (I informed you already about your mapping skills.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)

Inaccurate mapped.
Buildings not squared.
Connected nodes to other features.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150594946

And, please square your mapped buildings with the Q key.
Best regards

Hello . Thanks for mapping.
Please do not connect nodes of buildings to other buildings or roads.
Best regards

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Buildings not always accurate mapped.
Most buildings not squared

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150607110

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Inaccurate mapped.
Buildings not squared.

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150788150

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
Connected nodes of highways to buildings.
They should be connected to other highways (Paths)

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/150799737

Hello .
Thanks for mapping.
Please do not add a layer to a building to hide an error, but adjust the buildings so that they do not overlap each other.
Best regards

We welcome you as a new mapper.
Thanks for your contribution to this project.
This changeset is reviewed by a Global Validator to check that the tasks have been mapped in accordance with the quality standards of HOTOSM.
We cannot expect from a new mapper that he/she delivers high-quality mappings from the start, so we offer some guidance.
Please pay attention to the next summarized issues. (see attached document with examples for more info)
inaccurate mapped.

Buildings not squared.

Buildings need to be tagged as building=yes

Explanation can be found in this document what might be helpful to strengthen your mapping skills
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit

Best regards and keep mapping!
Frans S
---
#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/149592240

Thank you for mapping. You have correctly identified the location of most objects and mapped.
However, you often include the shadow of a building into your mapping, and don't connect nodes of buildings to each other.
Reminder: Please be sure to square all rectangular buildings with the Q key
Reviewed by a validator at random or as requested.
FYI. Please view this video about common new mappers mistakes.
https://www.youtube.com/watch?v=Xs5wX592E1o&t=2s
https://www.youtube.com/watch?v=ltn1VOiq5_0
In this document, you will find some hints and tricks which might help to expand your mapping skills.
https://docs.google.com/document/d/1Swwz-ZwM3_YOstqstsmCg1-lNAPbnMLpi1Al-h-2UOQ/edit
Best regards and keep mapping.
---
#REVIEWED_GOOD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/149843942