Google earth / maps

How to upload a kml to Google Maps

Several days ago a friend sent me a question about uploading maps that can be displayed on Google Maps without getting into the API, here I dedicate a little time to it.

1 Create a kml

Google earth hondurasA kml can be created almost with any mapping program, it can be ArcGIS, Manifold, Bentley Map. GvSIG or AutoCAD Map. 

You should only do file / export / kml or something similar

In this case, I will export this geometry.

The type of line, fill, and other features will go with the file, the more ... the bigger it will be.

2 Open it with Google Earth

To view the file in Google Earth: File / open

Google earth honduras

3. Upload it to Google Maps

image  To upload it to Google Maps, you must have a gmail account and you just have to add Google Maps to your profile, and when you get to Google Maps, you can log in.


Then you choose the option to create a new map and import. Then by clicking on the figure you can add data to it, including photographs or web content.



imageYou can upload kml, kmz or GeoRSS files up to 10 MB



4. Deploy it on Google maps

Once uploaded, you can see it and even Share the link for others to see if you decide it is public access.

Google earth honduras

And as Gerardo has said in the comments, if the file is stored somewhere, knowing the url, it is written in the "search map" space and voila, it is displayed. As long as it's not a very large file ... 10MB I guess.


To solve the size problem, the geometry can be simplified from the GIS program, taking care that the topology is maintained. 

As an example here I leave The map of the 298 Municipalities of Honduras in kml format, when exporting normal measures 104 MB, this has been simplified using Manifold GIS until it is in a size of 12 MB ... one day we talk about how Manifold does.

Golgi Alvarez

Writer, researcher, specialist in Land Management Models. He has participated in the conceptualization and implementation of models such as: National Property Administration System SINAP in Honduras, Management Model of Joint Municipalities in Honduras, Integrated Cadastre-Registry Management Model in Nicaragua, Territory Administration System SAT in Colombia . Editor of the Geofumadas knowledge blog since 2007 and creator of the AulaGEO Academy that includes more than 100 courses on GIS - CAD - BIM - Digital Twins topics.

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  1. I want to upload a map, and put it on Maps but I get the moment to import the .kmz file that have not been made changes in the maps, and I have done cn tests a few Kb and I get the same.
    Does anyone know I'm doing wrong?

  2. I would like to be able to add gmail to the map to post photos I have thousands since I live half a block from a beautiful beach

  3. I did not know that limit...yes, it also has limits in terms of not being able to display 3D objects, for example. But if there is a screen overlay, it will show on the Map...or custom icons etc. It is a very fast way to show kml in Maps.

    And by the way, I am already greeting you for this year and wishing you all the luck you deserve for next year! ... as well as congratulating you on your excellent blog, which in my opinion should be the most Human there is, within these topics technicians you deal with, which for me is the most important thing.

  4. Hey Gerando, how cool is that tip. Only the file must be less than 10 MB in size.

  5. Also, if you have a kml/kmz uploaded to some server, you can paste the corresponding URL in the “Search on Map” box and then click there. The kml will be loaded. Eye! The file name must not contain capital letters or spaces.
    That way you will see kml / kmz on the map. Then, you can also customize and / or paste the link of that map (which will show the kml too).


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