Offline Gps Navigation App

[Bridget Peral]

Afteryou download an area, use the Google Maps app just like you normally would. If your internet connection is slow or absent, your offline maps will guide you to your destination as long as the entire route is within the offline map.

Offline maps that you downloaded on your phone or tablet must be updated before they expire. When your offline maps expire in 15 days or less, Google Maps tries to update the area automatically when you're connected to Wi-Fi.

in my understanding GraphHopper alone is not sufficient for this offline planning. The combination of Cruiser and GraphHopper seems promising in this respect (no pointer at hand presently, please dig yourself for that), but I did not get those two to cooperate when tried that some months ago. Even though I would love to have such a feature myself I stayed with online planning due to lack of necessity and the omnipresent availability of an internet connection since then.

Regarding Android sample, it downloads / unzips a selected area (containing a Mapsforge map and a GraphHopper graph) and then loads them.

I suggest to invest time and study its code, it shows many things for how to use GraphHopper API.

Hello,I want to download the whole china.map from used graphhopper.

but the example app has not the China map.(only berlin , bayern,hamburg,sachsen,england,new-york)

Where I can download the map?Could you please give me some suggestions or a link?

In the server. I can only download the .map file.

But when I want to use offline navigation in graphhopper , I can not load the .map file without the

edges file , how can I create my own edges file?

My use case is that I have a polygon feature layer and I am capturing point locations within different polygons using quick capture. I need the polygons visible on the map to aid navigation and to know which polygon I am in. The polygon feature layer is updated on a regular basis (daily) however.

Using a MMPK created in this manner with QuickCapture results in only those features that were present in my feature layer at the time of making the MMPK are visible. Any features added after this won't be in the MMPK

If the QuickCapture project is open and running the map stays visible which is an improvement on above. The features do remain up to date if I add a new feature to my polygon layer however if there is no internet connection before opening the project the map will not load so the project has to be opened while the device has a internet connection. Not ideal if the app crashes or is accidentally closed when there is no connectivity as it is impossible to reload the map then.

Hi Mark, yes the device needs to be online when the project map is opened for the first time, otherwise, you won't see the data coming from online layers. Once loaded, you can go offline and still view the data loaded from these online layers, but won't be able to get any updates.

Hi. The workflow you describe is not supported at this moment. You would need to update the mobile map package and have users download it, which is unlikely practical given that the package changes daily. This is an area where QuickCapture needs improvement. It would not hurt if you log an official Enhancement Request via Esri Technical Support and or ArcGIS Idea.Thanks for your question.

We are planning to add support for offline areas. This means that you can link an associated map area to a project. In ArcGIS Online map areas can be configured to update on a daily basis and this would pick up any new features added to the included layers. The user of the app would see updates in the app so that they could download the updates if they are online.

Just to clarify on my second point, this is only the case when the MMPK is made with hosted feature layers and when the "reference online content" option is checked in the Arcgis Pro geoprocessing tool. If I make a MMPK without checking "reference online content" then there is no problem opening this in QuickCapture when the device is offline. However this brings me back to my original problem in that the features in the MMPK won't be up to date from this point forward.

We have added a fix for the issue you are seeing with MMPKs referencing online content. This is a wider issue affecting offline maps in general. This will be available in 1.7 that is due for release later this week.

With offline maps in iOS 17 and later, you can use Maps for information and navigation even when you don't have a Wi-Fi or cellular connection. Offline maps include details like hours and ratings on places, turn-by-turn directions for driving, walking, cycling, or riding transit, and estimated arrival times.

Offline maps do not sync across your devices. Offline maps are only available in select areas. An offline map for a specific region is not intended for use in all regions. Features vary by country and region.

GPS technology has freed us from the tyranny of the printed, folding map. But at the same time, it has made us slaves to our cellular provider's data plan. Many of the leading GPS and mapping app providers, including Waze, Apple Maps, and Google Maps, will only work if you're connected to a network. These services aren't preloaded with map information. Rather they send relevant maps to your phone on the fly, over the air. (Google Maps has limited offline map support, allowing for downloads of maps that are a maximum of 50km x 50km square, which is fine for city walks but insufficient for even a modest day trip.)

Hi, I am a professional fine art photographer looking for a solution like Dronedeploy that will allow me to use my iOS device and a P4P to shoot overlapping nadir photographs in remote desert areas with no internet connection. I need to be able to create these missions on site as I will be in a 4WD /camping situation with no base camp for internet. To do this I believe I need an app that is able to access high resolution satellite maps of about 100,000 square miles so I am free to roam and recce locations before creating and executing a mission.

Thanks Christina for your helpful suggestion but I had already read the section you pointed me to. The problem is I will not be able to plan missions ahead of time where I have an internet connection. We will be out in the Australian desert hundreds of miles away from any internet connection. Using previously viewed google maps as a reference to take us to a promising general area we will then make a series of reconnaissance flights with DJI GO4 to see what the country actually looks like at that time from the air. When we spot an area we think will make a great piece of art I want to be able to immediately develop and execute a mission to take about 100 photos that will later be stitched together into a super high resolution photo. Flying these reconnaissance missions and then returning hundreds of miles to an internet connection to plan the mission before returning to fly it is not an option. This is why I am looking for a way to access large pre-saved maps while offline.

What I am wondering is if there is any way to do this with DroneDeploy. If it is not a feature currently available is there anyone you might be able to point me towards who could help me develop a work-around?

Hi Thornsten, Thanks so much for your thoughtful suggestion. I am sorry it has taken so long for me to get back to you with this but I have been away. You seem to have your head around this properly but I must say I am new to this and though I have done some research into GIS software and the ability of google earth pro to buffer data (which I think it can do from my limited understanding of what I have read) I am not really able to follow your suggestion very well. Is there any chance of teeing up a Skype together so that I can get my head around it better? I live in Sydney Australia but would be happy to Skype at any time that suited you. my personal email is ma...@thinkingpictures.com.au. You can see some of my work at www.thinkingpictures.com.au

It is the best solution for you. You can take help from here:-

Howali.com How to Download/Use Google Maps Offline mode to Get DirectionsIn this post I will describe how to download and use Google Maps in Offline mode to get directions and navigate throughout a particular city without an internet connectivity.

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