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3D Sat Nav in the Car – 30 3D Cities, Tele Atlas (Video)

By 3D Sat Nav, Tele Atlas

The next market for 3D cities is without doubt in-car usage for satellite navigation devices. Tele Atlas is poised to roll out 30 cities in the next few months.

The YouTube movie below provides a glimpse at the emerging system:

Tele Atlas state that

‘By leveraging 3D city maps, developers can add recognizable building representations with excellent optical quality while maintaining a low volume of data. This ability to present the highly detailed, true-to-life 3D models at exceptionally low data volumes was achieved through a new parametric texture technology developed by GTA Geoinformatik GmbH, a German company with extensive experience in 3D geo-referenced visualization and modelling. With this technology, application developers are provided a range of options, from colored block models to colored facades and roofs with detailed texture’.

Three dimensional cities within satellite navigation systems is a natural move for the market, how they aid in-car navigation compared to the standard map view is open to debate…

3D City – Embed an ActiveX City and Build a Community

By 3D City

Offering a new virtual world system is a tricky business as every environment needs users – without users even the best virtual world system will seem desolate and sparse in comparison to say Second Life.

Second Life is the next problem as its the current benchmark against which all other systems are judged. With this in mind take a look at the YouTube movie promoting 3D City, a new ActiveX virtual environment that can be purchased and integrated directly within a website:

The marketing on the site states that: “Your member comes to the site, logs in as usual and then see a new menu item, you can call it 3D City or Virtual World, does not matter. He clicks the link and another browser window opens. At the same time the browser loads the player and the environment itself. After the virtual world has been downloaded the user comes to the 3D City, without having to log in. He will have his actual login info working in the 3D environment also”.

Prices start at $400 plus $97 a month subscription to include the system within a webpage. Details are sparse on building your own locations or import paths for 3D modeling at the moment but the quality of the rendering is quite impressive for an ActiveX plugin.

However, the system requires Internet Explorer users to switch off ‘Protection Mode’ in Windows Vista and this is surely a mistake as at which point you instantly lose users. We took the system for a test run and while rendering is of suitable quality the environment was deserted. There is also only the option to ‘walk’ around the pre-designed streets which when compared to Second Life quickly makes the system seem slow and clumsy.

Often quoted in today’s Web 2.0 world is ‘If you build it they will come’ – maybe 3D City will attract users but to be honest we are not so sure. If they made a version available to the development community perhaps that would increase interest and therefore users?

Take a look at 3D City

Second Life – Displaying City Images

By Second Life, Virtual Earth

Our section in Second Life, kindly donated by Nature, is focused on communicating city space. As such the image of San Francisco from Virtual Earth, created as part of our tutorial on Virtual Earth panoramas, is a natural choice to include within the environment.

Central to this is the need to ensure that the original visual fidelity is withheld. In Second Life the maximum texture size is 1024×1024 pixels resulting in a 6 to 1 compression of our panoramic image. There is however a simple way to match the original resolution as closely as possible by splitting the image up into tiles in Photoshop, as pictured below:

By noting down the pixel size of each tile a ‘prim’ in Second Life can be created at the required aspect ratio – thus to recreate the whole image 16 ‘prims‘ are required aligned using the grid snap option.

This quick and easy method results in a visually impressive image wall – as pictured below (click for a larger version):

Drop in and see us in Second Life – http://slurl.com/secondlife/Second Nature/232/169/116 or IM Smithee Bertrand and we will send you a teleport link.

As a side note to this post – the interchangeability between systems such as Virtual Earth, Google Earth and Second Life raises various issues of copyright.

The creation of panoramas essentially strips out all reference to the images source, as such this is an issue to watch.

Second Life – Displaying City Images

By Second Life, Virtual Earth

Our section in Second Life, kindly donated by Nature, is focused on communicating city space. As such the image of San Francisco from Virtual Earth, created as part of our tutorial on Virtual Earth panoramas, is a natural choice to include within the environment.

Central to this is the need to ensure that the original visual fidelity is withheld. In Second Life the maximum texture size is 1024×1024 pixels resulting in a 6 to 1 compression of our panoramic image. There is however a simple way to match the original resolution as closely as possible by splitting the image up into tiles in Photoshop, as pictured below:

By noting down the pixel size of each tile a ‘prim’ in Second Life can be created at the required aspect ratio – thus to recreate the whole image 16 ‘prims‘ are required aligned using the grid snap option.

This quick and easy method results in a visually impressive image wall – as pictured below (click for a larger version):

Drop in and see us in Second Life – http://slurl.com/secondlife/Second Nature/232/169/116 or IM Smithee Bertrand and we will send you a teleport link.

As a side note to this post – the interchangeability between systems such as Virtual Earth, Google Earth and Second Life raises various issues of copyright.

The creation of panoramas essentially strips out all reference to the images source, as such this is an issue to watch.

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