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 Mobile GIS & LBS

Posts Tagged ‘arcgis’

Stepping Into The Brave New Cloud Enabled Mobile GIS World

Thursday, January 16th, 2014

Cloud and mobile technology are ….

Confusing and complicated.

Hard to fit into “how we have always done things”

Difficult seeing and demonstrating the benefits to management.

We have heard these responses and many more from clients. Stepping into the brave new cloud enabled mobile GIS world is hard. But the benefits are considerable. (more…)

ArcGIS MarketPlace: A Big Hit

Friday, September 20th, 2013

This week Esri launched ArcGIS Marketplace; a one stop shop for ArcGIS focused applications. Finally users can discover mobile, Web and desktop GIS applications simply and easily. Esri have made the site intuitive, with excellent search capabilities and categories. Want a GIS application targeted at your industry or sector, ArcGIS Marketplace simplifies the discovery process.

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Topics in Mobile GIS

Thursday, October 4th, 2012

 

We came across the following table recently, listing mobile GIS topics:

Interesting. Obviously only a subset of the potential uses of mobile GIS. But worth reprinting. From the mobile app development work we are doing, key mobile requests from clients are:

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Criticism – Future Trends in Geospatial Info Mgment Report

Wednesday, August 29th, 2012


We put up a blog post linking to a recently released UN paper entitled:

Future Trends in Geospatial Information Management: The Five to Ten Year Vision

We noted in the original post that without knowing who the list of experts who contributed to the paper were, we were a little hesitant. We do know that Peter Batty added his thoughts. A good guy, but somebody who still talks about, the rather controversial, neoGeography or “new geography”.

Anyway, we digress. After reading the paper a number of times, we felt a little. Well. Deflated. We regard the new world of location technology as very exciting. The paper made for some dry reading; ok it was for the UN and not meant to have us all jumping for joy. But we hoped for a realistic, useful reflection on where the geospatial world is moving. Too much felt like wild guesses, repetition of the obvious, and the unimportant. Ok, we are being harsh, but this is a panel of experts. We expected some expert insight.

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Offline Editing with Mobile ArcGIS

Wednesday, August 8th, 2012


Our previous blog entry showed the initial steps in working with mobile ArcGIS when offline. We ended the post with “whats next? Offline Feature layers and Offline editing”. And that is the topic of this blog post.

As we have mentioned before as a company our focus is mobile location technology. GIS, and specifically ArcGIS, is an important part of this work. We are also advocates of open source software. Now the so called ‘elephant in the room’ of mobile GIS is offline. Everybody wants it, but there remains no practical solution. Both ESRI and Google have discussed rolling out offline solutions. But nothing is yet in place, at least in published API’s.

We are regularly approached about disconnected mobile maps and offline GIS. Its an itch we started to scratch a while ago. Our goal was initially to put in place a solution in the ArcGIS world, upon which we could also base an open source solution. ESRI, and in particular Mansour Raad, have been a big help in moving this work forward. We now have an end to end solution for working with mobile ArcGIS while offline.

Before we describe the work, here is a video which shows an ArcGIS Online webmap being takes offline; that is basemap, feature layers and editing.

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Taking ArcGIS Online …. Offline

Wednesday, July 25th, 2012

ArcGIS Online is a major step forward for mobile ArcGIS. True its not just targeted at mobile, but it has and will make the lives of mobile developers and their clients considerably easier. Why? Let’s make a list:

1) Single endpoint, or webmap to load, in a mobile viewer

2) Easy for users to prepare and publish their data.

3) Shapefiles published to ArcGIS online are converted to Feature layers and pushed to the mobile ArcGIS viewer within the webmap itself.

4) Other data sources can be easily published in ArcGIS online, then rendered in a mobile map viewer.

Those are just some of the advantages.

We’ve just released ‘GeoMobile for ArcGIS Online’ a free mobile app which allows users to load on a mobile tablet, their own published ArcGIS Online webmaps. We designed it to be extensible. So it goes beyond the excellent ESRI mobile widget, in that we can add functionality based on user requirements.

We are approached regularly about offline ArcGIS. Thus the somewhat confusing title of this blog post ArcGIS Online Offline! Here, we will discuss using GeoMobile for ArcGIS Online to access your webmap in an offline mode. The approach we demonstrate could easily be used in our other free mobile app GeoMobile for ArcGIS Server.

Before we describe the offline widget in more detail, here is a demo:

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Apple Helps Bring Mobile & Location to Center Stage

Thursday, June 14th, 2012

 

Our thinking has been for the longest time that mobile will revolutionize the field of location-focused technology. Niche areas like GIS will be pulled into the mainstream under the location technology umbrella. Location based services (LBS) will coalesce with other location focused technologies.

As a company, we made a strategic decision nearly 2 years ago to move our focus from GIS development for the PC web, to mobile location app development. This year has been crazy busy. Combine this with Apples recent announcement, the launch of ESRI’s ArcGIS online, and new developments at Google and MapQuest, and we feel our strategy was correct; location is now at center stage in the mobile world. Making the decision when we did has also allowed us to develop expertise, and thus leadership in the location mobile app development space.

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Offline or Disconnected Mobile ArcGIS How To

Wednesday, June 13th, 2012


Offline or disconnected mode is one of the most in demand client and potential client requests we receive. And yet the main spatial solution providers have only made small steps in this direction. Chatting with ESRI, offline ArcGIS is on their roadmap, but no major releases are planned in the near future. Our interest is cross-platform solutions. So recent iOS and Android specific announcements from the likes of Google, though very interesting, do not serve our clients well.

It was time for us to look into our own solution. We broke down the problem into manageable chunks, then conferred with Mansour at ESRI on the details. Let’s discuss at a high level these pieces.

Offline versus Online Mode

In code we can detect if a mobile device has online connectivity. If it does reach out over the network for map and server functionality. If offline look locally, to the device itself, for resources.

Local Storage

Mobile devices have varying amounts of local storage. They also come with so called lite databases. In offline mode we take advantage of these local resources.

Offline ArcGIS Visualization – Tile Packages

Let’s imagine we have an ArcGIS Online web map we wish to view on our mobile in disconnected mode. Using ArcGIS 10.1 we can now generate a tile package of the layers used in the web map. These .tpk files vary in size, we need to be careful when generating these packages, particularly thinking about the capacity of the mobile device targeted for the mobile ArcGIS app. But once the tile package has been generated this need be stored on the mobile device. Note, tile packages which include base map tiles will need agreement with ESRI since there are various licensing agreements attached to the source of these base tiles.

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Mobile ArcGIS Online-Offline Editing

Tuesday, June 5th, 2012


No doubt the most frequent approach we get for the mobile ArcGIS apps we develop are offline or disconnected workflows. Clients want both to be able to visualize basemaps and their layers when out of wi-fi range, and offline editing; new feature additions, deletions and attribute edits.

ArcGIS 10.1 gives us tile packages (.tpk) so we can store tile pyramids locally on the device. Mansour has a nice example showing how to access basemap tiles using a tpk in offline mode on his blog.

The real challenge is offline editing. ESRI introduced Feature Server with Feature layers in ArcGIS 10, which work nicely in online mode. In April they released an Online-Offline Editing Sample using their iOS api. They include in their notes supporting the sample:

“For the sake of simplicity, the sample ….only allows you to add new features when the application is offline, not modify or delete existing features.”

Now there is the real challenge, what they have left out of the sample.

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Building Mobile GIS Apps using Titanium

Tuesday, May 22nd, 2012


We build custom cross platform mobile GIS and location based mobile applications. There is our one sentence elevator sales pitch. But what is this cross platform business? Put simply write one code base and run it across multiple platforms. So take your beautiful mobile web application written in HTML5/Javascript convert it to an installed app using Phonegap. Distribute it to the various app stores and you are done. You have created a hybrid mobile app. So why all the fuss over native apps? These are apps written in the language of choice of a specific platform; Objective C for iOS, Java for Android. So multiple versions of the same app need writing for each platform. These sound expensive to write and maintain. As with all things there are advantages and disadvantages of each approach.

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