Location-aware services are being integrated into your life almost every day through mobile applications. It allows you to display a map, customize its attributes and render markers of places at their geo-location among other things.

Check back here for updates. To start, download the starter project using the Download Materials button at the top or bottom of this tutorial. Take a look around the project to get familiar with the files you will be working with. Make note of the lib folder files:. Also, notice with Flutter there are android and ios folders which you will need to familiarize yourself with, as this is where you will need to configure each platform for the Google Maps API.

More on this in a bit. Once, you have successfully created your API key make sure to copy it and save it someplace, as you will need to add it into your Flutter app. To get started using Google Maps Plugin open the pubspec.

Use images as Google Earth overlays

Here you opt-in to embedded views preview for iOS. Finally run your app using the normal means in your IDE, or by typing the following command into the terminal in the project root:. The Google Maps widget can be customized in various ways so that it can both look great in your applications and function for your specific use case. To customize the location and view point of the map you can alter attributes of intitialCameraPosition the CameraPosition for the GoogleMap widget.

It should now look like this:. Re-run the app to see the changed starting location and zoom. You may need to close and open the app to see the changes throughout this tutorial.

Finally, add the bearing and tilt values to customize the camera position some more. The GoogleMap attribute mapType allows you to customize the tiles within the map. The current supported types are:.

Google Maps can be customized to provide a limited set of display features such as landmarks, roads, and other built-up areas. You do this by providing a JSON file that specifies these customizations.

Here, you load a JSON file with the customizations and apply them to the map. Make sure your Flutter Maps project is selected at the top before clicking Enable. Once, it is done find and copy your same API key as before. To complete the setup, add the markers attribute inside your GoogleMap widget following the onMapCreated attribute:.

Now you can run your app, press the Places Nearby button, and see some nearby places!

google maps overlay tutorial

You can download the final project using the Download Materials button at the top or bottom of this tutorial. If you had trouble following along, run and install the finished version of the application.

Browse around the finished project to see the code all at once. Google Maps are a lot of fun to work with and can provide useful features for your application's users. To enhance the application, instead of passing in a fixed latitude and longitude, try accessing the device's current location and passing that into the search request. I hope you enjoyed this tutorial on Google Maps with Flutter!Become a Google mapping expert Kickstart your map-making with Google Earth and Google Maps with these step-by-step tutorials.

Create a map or story in Google Earth Web. How to create a story or map on the web using locations, photos, videos, 3D imagery and Street View. Learn More. Annotating Google Earth Desktop. How to add legends and other images to your Google Earth Desktop screen. Storytelling with maps using Tour Builder.

Create an overlay of Google Maps with Photoshop

How to to easily tell your story in its geographic context on the web with locations, photos, and videos. Mapping from a Google Spreadsheet. Avoiding Overload with Regions. Including your multimedia content so everything just works. Using Network Links Effectively. Introduction to Google Earth Engine.

How to use Google Earth Engine's basic functionality, including exploring the Data Catalog and viewing datasets in the Workspace.

google maps overlay tutorial

Visualize your data on a custom map using Google My Maps. How to quickly map data from a spreadsheet, style points and shapes, and give your map a beautiful base map. Then share your map with friends or embed on your website. How to create forms for data collection, set up a cloud-based server to host your data and visualize your data in Google Earth.

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Also, I found some other posts in SO about Google maps, but I'm not sure if any of these really helps in my situation. What I want to do is add another map above the already existing Google map. The new overlay map would have some degree of transparency in order for the original Google map to be visible too. How can I do this? What technologies should I look into? I'm a Java developer, but any answer in any language would be really helpful.

MapTiler is fantastic if you need to be able to zoom in to a very detailed overlay, but if your overlays don't need to be quite so huge, I'd recommend using a GGroundOverlay GroundOverlay in V3. It would be pretty easy to change dynamically. Here is Google's demo. As far as MapTiler goes - if you have a set of overlays you want to change dynamically, you can generate the tiles for all of the overlays, and then easily switch between them.

But if you're creating the overlays dynamically, you'll probably need to implement a tile server. Check out Mapnik and TileCache. You would have to use the GMapType object to define your own custom map.

MapTiler will automate the tiling process for you, and in addition, once the tiling process is finished, it will generate a simple HTML viewer. The following is a sample of what MapTiler is able to produce note the opacity slider on the top-right :.

You can mix:.

Tutorial: Overlay Maps in Google Earth

Learn more. How to add an overlay map above default Google map? Ask Question. Asked 10 years, 3 months ago. Active 4 years, 10 months ago. Viewed 12k times.

RedBlueThing Alex Ntousias Alex Ntousias 8, 7 7 gold badges 33 33 silver badges 44 44 bronze badges. Active Oldest Votes. Animesh 1, 2 2 gold badges 20 20 silver badges 36 36 bronze badges.These instructions are for Google Earth Pro. Get help with Google Earth for Web and Mobile. To see how an overlay image corresponds to the map image underneath it: Select the overlay in the viewer.

Then, change the transparency so that it's fully opaque. Use markers to stretch and move the image into a more specific position over the map. For example:. Use the four side anchors to stretch the image in or out of from the selected side.

Press Shift to scale the image from the center. Google Help.

google maps overlay tutorial

Help Center Community Google Earth. Privacy Policy Terms of Service Submit feedback. Send feedback on Help Center Community. Google Earth. Create and share maps Use images as Google Earth overlays. Use images as Google Earth overlays Use map images to create extra information without embedding it into your original map. If you're viewing images that change periodicallysuch as web images, you can change the refresh rate to make sure you're viewing the latest image.

If you need images to update depending on your viewset the image to refresh whenever you navigate the 3D viewer to a new position. If you need to order overlapping image overlayschange the draw order of images to display them from higher to lower draw order number. Position the 3D viewer in the location where you want to set the overlay image. Try to position the viewer so that it corresponds in viewing altitude to the overlay.

Zoom in for detailed overlay images. Zoom out for large areas. Click Add Image Overlay. Enter a name. To upload a file from your computer or network, click Browse. The image appears in the 3D viewer, with anchor points to position it. Enter a description.

Click Refresh to set the refresh properties for your overlay image. Note: Image that is updated automatically on a server will need refresh properties set. Use the slider to set the default transparency for the image.

Note: To make positioning the overlay easier, adjust the transparency so that you can see the overlay image and the earth beneath it. Click View to change the view settings. Make any additional changes to the position of the image in the viewer.

Then, click OK to complete the creation. For example: Use the center cross-hair marker to slide the entire overlay on the globe and position it from the center. Use the corner cross-hair markers to stretch or skew the selected corner. Tip: Hold Shift then click a marker to scale an image from the center.

Was this helpful? Yes No.When creating animations for informational or educational purposes, you'll often need to highlight regions or points of interest for your viewer. This provides the flexibility to display a range of geographic data over your animation. Earth Studio supports multiple overlays in a project at a time.

Click the overflow menu for the KML item and select Delete to remove an added overlay from your project. When an overlay is added to the project, the Overlay Panel will appear in the viewport. Each sub-element of the overlay is listed in this panel in a "tree" hierarchy.

By checking or unchecking an element, you can show or hide it on the globe. You can also filter the sub-elements of the overlay by name. This makes it easy to control overlays with many sub-elements. KML overlays can be sent to the timeline to animate their opacity. In the Overlays Panel, click the overflow menu and select Keyframe Opacity. This will add the KML to the timeline to allow you to set and keyframe the opacity. Animating individual KML nodes is not supported at this time.

Imported KML files can end up being fairly large in file size, so Earth Studio doesn't embed them directly into your project file. This allows you to access saved projects with KMLs from any computer, as long as you're logged in. Note that this only applies to projects saved to the cloud, or. Read more here. That said, KML has a wide-ranging spec with many specialized elements that are not. The following elements are officially supported:.

When working with Overlays in the editor—especially during playback—you might notice borders disappearing, repositioning, or otherwise behaving strangely. Rendering overlays in real-time for playback and navigation is an intensive task, but these issues will not be a factor when outputting your final render.

Each frame of the render waits for the highest quality data to load before saving. Overlays and KMLs When creating animations for informational or educational purposes, you'll often need to highlight regions or points of interest for your viewer. Adding and Removing Overlays Overlays are managed within the Overlays menu in the file bar.

Visibility When an overlay is added to the project, the Overlay Panel will appear in the viewport.You can overlay any historic map in Google Maps or Google Earthbut getting everything to match up accurately through geo-referencing can be quite tedious.

In some cases others have already done the hard part, making available free downloads of historical maps sized, geo-referenced and ready for you to import directly into Google Maps or Google Earth.

Over historical maps from the David Rumsey collection of more thanhistorical maps have been georeferenced and made freely available in Google Maps, and as a historical maps layer for Google Earth.

Historic Map Works features over 1 million maps from around the world in its collections, with a focus on maps from North America. Several hundred thousand of the maps have been geo-referenced and can be viewed for free as historical map overlays in Google through their free Historic Earth Basic Overlay Viewer. Additional features are available through a Premium Viewer available to subscribers only.

Locate, view and download free Ordnance Survey maps, large-scale town plans, county atlases, military maps and other historical maps from the National Library of Scotland, geo-referenced and overlaid on Google maps, satellite and terrain layers. Maps date between and and relate primarily to Scotland. The New York Public Library has been working to digitize their huge collection of historical maps and atlases for more than 15 years, including detailed maps of NYC and its boroughs and neighborhoods, state and county atlases from New York and New Jersey, topographic maps of the Austro-Hungarian empire, and thousands of maps of US states and cities mostly east coast from the 16th to 19th centuries.

Many of these maps have been georectified through the efforts of library staff and volunteers. Best of all, those which haven't are available for you to georeference yourself through their cool online "map warper" tool! Visit the Interactive Maps Viewer to view selected historic maps of Philadelphia and surrounding areas from through the 20th century—plus aerial photographs—overlayed with current data from Google Maps.

The "crown jewel" is a full-city mosaic of the Philadelphia Land Use Maps. More than 8, georeferenced maps from around the world are available online from the British Library—just select a location and map of interest to visualize in Google Earth.

In addition, they offer a great online tool that allows visitors to georeference any of the 50, digitized maps they have online as part of this project. Selected maps from the North Carolina Maps Project have been geo-referenced for accurate placement on a modern-day map, and made available for free download and viewing as Historic Overlay Maps, layered directly on top of current road maps or satellite images in Google Maps.

View twenty historic maps of New Mexico, annotated with descriptions by the mapmakers and by other people living, working, and exploring in New Mexico at that time. Click on the thumbnail of each historic map to view it in Google Maps. Compare modern and old maps of Moscow and Moscow region with maps from various regions and eras, from to present-day. Using Google Maps and Google Earth, HyperCities essentially allows users to go back in time to create and explore the historical layers of city spaces in an interactive, hypermedia environment.

Share Flipboard Email. Kimberly Powell. Genealogy Expert. Updated August 18, The image with the map Copy into clipboard the coordinates of this image from the box bellow - you will need it later for pasting into MapTiler Desktop! Create your own map layer in Adobe Photoshop With any graphic editing software you can easily create a new overlay layer with an exact geo positioning on top of this image of the base map. The downloaded map image can be proportionally resized, so you can prepare an overlay with a significantly higher resolution then the downloaded image - the coordinates will not change.

Once you are finished with your own map editing on top of this layer, save just your new overlay layer as a PNG with transparency covering exactly the same area as the original image. To correctly position your image use these options: Georeference When asked for "Missing georeference" choose the option Specify bounding box West South East North and paste in the dialog the coordinates from the above box in Step 2. Now you can click "Continue", keep the default output options and click "Render"to prepare your map.

You will get perfectly aligned zoomable map overlay displayed in Google Maps API, which can be further enriched with JavaScript programming with markers or additional functionality. The same rendered map tiles can be used to create your own native mobile application to show users their actual position on the map you drawn.

Create an overlay of Google Maps with Photoshop. Download the image and coordinates Right click on the link bellow and choose "Save as" and save the image into your computer: The image with the map Copy into clipboard the coordinates of this image from the box bellow - you will need it later for pasting into MapTiler Desktop!

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