Hello Andrea Angeles
Thanks for joining the team and mapping here.
We noticed that you are a new mapper and offer you some help to improve your mappings. New mappers often makes the same beginners errors, so we want to address theme here. This is not criticizing you, but offer help to improve your mapping skills.
*. Most buildings are strict rectangular. The mappings should reflect that. So be precise in following the outlines of buildings following extensions and porches.
* When trees hide a part of a building, extrapolate the line of the building.
* Always square your building with the Q key in iDeditor.
* Do not connect nodes of buildings to nodes of other buildings or objects (like highways) If you map close to other objects the nodes tend to connect (like a magnet) To avoid that. hold down the Alt key during mapping.
Use the tag building=yes instead building=house. This is common use for mapping on disaster projects.
Best regards and keep mapping

Hello DMcDowall.
Thanks for mapping on this project
A request. The instructions ask to map from the Bing Imagery which is rather old. On this place taken between 2009 and 2016,
since then many buildings are new erected and others modified.
On the Maxar imagery which is more recent You will find many new and modified buildings.
If you can, please use the Maxar imagery after correcting the offset to Bing.
Thanks and keep mapping
Frans

Hello Rhea Thanks for mapping on this project
A request. The instructions ask to map from the Bing Imagery which is rather old. On this place taken between 2009 and 2016,
since then many buildings are new erected and others modified.
On the Maxar imagery which is more recent You will find many new and modified buildings.
If you can, please use the Maxar imagery after correcting the offset to Bing.
Thanks and keep mapping
Frans

Hello Arvanites. Thanks for joining the team and mapping here.
We noticed that you are a new mapper and offer you some help to improve your mappings. New mappers often makes the same beginners errors, so we want to address theme here. This is not criticizing you, but offer help to improve your mapping skills.
*. Most buildings are strict rectangular. The mappings should reflect that. So be precise in following the outlines of buildings following extensions and porches.
* When trees hide a part of a building, extrapolate the line of the building.
* Always square your building with the Q key in iDeditor.
* Do not connect nodes of buildings to nodes of other buildings or objects (like highways) If you map close to other objects the nodes tend to connect (like a magnet) To avoid that. hold down the Alt key during mapping.
On this page you can see how you mapped (red) and the corrections I made to the way it should be mapped.
https://overpass-api.de/achavi/?changeset=76526022
Read the legend for more information
Best regards and keep mapping

Hello
Thanks for mapping here. you mapped quite a lot of buildings. Great !
a request.
Please be more accurate in your mappings,
You tend to map buildings often bigger than the image shows.
Thanks and keep mapping

Hello Rhea. Thanks for mapping here
I notice a few objects which you mapped as buildings. Obvious when there is no shadow to see, it is mostly no building
Best regards

Hello Jemannix. Thanks fro mapping here.
Please do not connect buildings with their nodes together and square all your buildings.
Best regards and keep mapping

Hello Iris Jang
Thanks for mapping.
A request. Please pay more attention on squaring the buildings you map. You missed quite a lot. You should have been warned about that by the issue triangle in IDeditor. Please do not ignore these but try to solve them.
I noticed also over 40 buildings which were duplicated. did you map outside your square ? If so, please don't. This can cause mappings done twice.
Was Bing the required Imagery? It is rather old. (2004 at oldest) There are different more recent images available.
Please be sure an object is a building. I found several mappings where nothing is to see
See this picture
https://drive.google.com/open?id=1EPD4GmxmIbPuJgJsCLy1wtTBXNoMHat3
Best regards

Hello Curly:) I reviewed your work here as well.
first thing I noticed. You did not correct the offset of the task. Please check that out when you start mapping on a task where other have already mapped buildings.
Your mappings are rather good and detailed. Do not connect nodes of buildings to each other or to other objects, like highways.
Please be not disappointed by my remarks. We want to assist you to become a better mapper.
Best regards and keep mapping

Hello Curly:) Thank you for mapping here. I noticed that you are a new mapper and am reviewing some work of you.
Here you have chosen one of the most difficult task you can map. Despite this is suitable for beginners, I want to suggest to take an easier project to get experience in mapping.
On this task you mapped quite a number of "objects' which appears to be parking lots. Cars are good visible. No shadow which shows the object is above ground level, thus a building.
Here are quite a lot of tall buildings.
To map them you need to make another approach. Map only the roof sides, not the (mostly white) walls which are visible because the pictures (Imagery) are taken under an angle to see both a siding, the top and the shadow behind it. After doing so, move the mapping to the place where the building meets the ground.
I understand this is difficult to read an imagery properly, but in due time you will get more experience.
Best regards and keep mapping

Hello TImMapping. Thanks for mapping here
Since you are a new mapper, validators review your work and comment on it when needed.
Some remarks.
Always square the buildings you have mapped with the Q key in IDeditor. You missed quite a number. You have been warned about thait by the issue triangle on the right hand menu, Please do not ignore these messages, but try to solve them. For sure when it is about squaring of buildings or nodes not connected or they other way around.
Please do not include several buildings as 1 building.
Best regards and keep mapping

Hello Dina. Thanks for mapping on this project.
I noticed you are a new mapper . I reviewed your work and have some comments.
Nearly 100 % of the buildings are rectangular. Your mappings must reflect that.
Please map as accurate as possible, following the outlines of the roof.
Do not combine (which you did) more buildings into 1 mapping.
Do not let nodes of a building connect to nodes of other objects.
Next to the buildings you will see a shadow which proofs that the object is above ground level and thus a building. Do not include this shadow in your mapping
Here is a webpage where you can see your mappings and the corrections I have made
https://overpass-api.de/achavi/?changeset=76396497
See the legend for more info
If you hoover over an object you will see the details
I correct your mappings/
Please be not disappointed about my comments. They are mend to help you to improve your mappings
Best regards and keep mapping

Hello FJRosiers
Thanks for mapping.
A few remarks.
Tour mappings are rather inaccurate and mostly not squared.
Please pay more attention on following the outlines of the buildings and square each building with the Q key in iDeditor
Most of the buildings here are straight rectangular. Your mappings should reflect that.
Did you not see the issue warning triangle on the right hand menu? You have been warned about non squared buildings. Don't ignore those messages and try to solve them before uploading your work
Also avoid to connect nodes of the building you are mapping to nodes of other buildings.
Because the satellite images are taken under a low angle you see the shadow next to the buildings on the ground. Do not include these in your mapping. They proof that the object is above ground level.
Please keep that in mind at next mappings
On this page you find back your work and the corrections which has been made.
https://overpass-api.de/achavi/?changeset=76345736
Not all buildings here are mapped by you
Hoover over an object to see deatails
See the legend for more info
Best regards and keep mapping

Hello Srinath Narayanan
Thanks for mapping.
A few remarks.
Tour mappings are rather inaccurate and mostly not squared.
Please pay more attention on following the outlines of the buildings and square each building with the Q key in iDeditor
Most of the buildings here are straight rectangular. Your mappings should reflect that.
Did you not see the issue warning triangle on the right hand menu? You have been warned about non squared buildings. Don't ignore those messages and try to solve them before uploading your work
Also avoid to connect nodes of the building you are mapping to nodes of other buildings.
Because the satellite images are taken under a low angle you see the shadow next to the buildings on the ground. Do not include these in your mapping. They proof that the object is above ground level.
Please keep that in mind at next mappings
On this page you find back your work and the corrections which has been made.
https://overpass-api.de/achavi/?changeset=76345071 . Not all mappings are yours. Hoover over an object and you will see who mapped or corrected it.

Best regards and keep mapping

Hello Kaspergro
Thanks for mapping on this task. FYI, this task was invalidated for this reason. quote" Hello. I think we have to explain the situation here. Caused by a bug a number of tasks has been moved to the Indian Ocean. Bad luck. This cannot be undone. One of the tasks up to 2 tasks under this land tongue and on the south side of the river needs mapping> Please map them. In id editor, go lower than the task square , you will find unmapped buildings. Thanks for your assistance

You might have overlooked this.
When you dowload the area to the south you will see the peninsula which is hardly mapped.
Can you spend some time to map these as well? Also the part more south on the otherside of the river need mappings
If you do, please upload your mappings frequently, so that double mappings, done by others willl be limited till a minimun. (We cannot block this part for a specific mapper)
Please let me know if you are able to do this
Thanks and best regards

Hello. Thanks for mapping here
A remark. Please map the buildings as accurate as possible and follow the outlines of a building. a L shaped building should be mapped like that. Not just rectangular.
you also tend to map the buildings a bit oversized.
Please keep that in mind and keep mapping
Best regards

Hello, Thanks for mapping here. Your mappings are quite good. A few remarks
Please do not include a few buildings into 1 mapping. Be aware of courtyards. They show no shadow.(or are fenced which can be seen on the shadow both on the inside as well as on the outside) Buildings shows most of the time a shadow what proofs that they are above ground level. Do not include this shadow in your mapping.
Best regards and keep mapping

Hello.
Over 95% of the buildings in general are rectangular with 90 degree corners. So your mappings should reflect that as well. A simple building consist out of 4 nodes, L shape 6, etc. Each extension gives 2 extra nodes,
When buildings are partly hidden by trees, extrapolate the roofline of the building. Not the tree.
The shadow next to a building shows that a an object is above groundlevel and probably a building. Do not include the shadow in your mapping.
See your mappings to the right side.
Take also a look on this page
https://overpass-api.de/achavi/?changeset=76111600
Red lines are your mappings, green are corrected,
I hope this makes it clear.
Best regards

Hello. See my previous message
Squared messy mapped buildings
Best regards

Hello Javibert.
Validators review mappings done by (new) mappers to check if their mappings are according to the instructions and the mapping practices.
Your mappings are subject for improvement.
Your mappings are rather inaccurate and not squared.
Please go through the basics of mapping and improve your mappings.
Always map your buildings with the Q key in iDeditor.
Best regards and keep mapping