geo2web.com

Review of GIS GPS GEO and MAPs technology

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You can always go back to where you came from with DragZoomControl v1.1

November 2nd, 2007 · No Comments · Manuals, Maps

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I’d like to thank Pamela for inviting me to post on this blog, and especially for encouraging me to join the Open Source library. I would encourage anyone out there to talk to her if you’ve written code which may be useful to the Maps API development community.
When Andre Lewis’ DragZoomControl was introduced [...]

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Searching the Places Panel

November 2nd, 2007 · No Comments · Manuals, Maps

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You can search items in the Places panel by pressing CTRL + F. This opens a search field at the bottom of the Places panel where you can enter your search terms (see left).
This feature is particularly useful if you have a large number of items your My Places folder.

addthis_url [...]

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ExtMapTypeControl 1.1: A Smarter Traffic Button

November 2nd, 2007 · No Comments · Manuals, Maps

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In June, we released ExtMapTypeControl, an open-source map type control that includes an optional “Traffic” button. Some developers were disappointed that the traffic button did not hide and show depending on whether traffic was available in the current viewport, as the button in maps.google.com does.
In this week’s release of API v2.86, there is [...]

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Snapshot View

November 2nd, 2007 · No Comments · Manuals, Maps

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The Snapshot View command allows you to assign a specific camera angle and altitude to a placemark or folder. For example, if I want to create a placemark of a mountain to share with others, but want to ensure that users see the mountain at specific angle to emphasize its topography, I would [...]

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Microformats in Maps

November 2nd, 2007 · No Comments · Manuals, Maps, Microformats

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If you have spent any time in certain corners of the web, you will have heard of Microformats: Clever uses of HTML that add machine-readability to everyday web pages while preserving human-readability. Microformats allow tools to make more sense of your web pages, while not changing the visual appearance for visitors to your [...]

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Using Custom Placemark Icons

November 2nd, 2007 · No Comments · Earth, Manuals, Maps

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You can use your own graphic icon with any of your placemarks in Google Earth. To do this, create or edit a placemark. In the New/Edit dialog box, click the placemark button in the top right corner. The Icon dialog box appears. Click an icon or to add a new icon, click Add [...]

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New utility function for Google Mapplets: GAsync()

November 2nd, 2007 · No Comments · GIS and GEO technology, Maps

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The Mapplets API is like the Maps API with a twist: asynchronous
calls. If you’ve ever used XMLHttpRequest then you’ve dealt with
asynchronous calls before, but writing fast Mapplets can require
keeping track of several requests at the same time.
While working on the Zvents mapplet, Michael Geary developed a nifty
utility function called GAsync(). This lets you [...]

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Test your driving directions skills (and our latest features)!

November 2nd, 2007 · No Comments · GEO Travel, Maps

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Posted by Pamela Fox, Maps API Team
I don’t drive. Well, I used to, but then I realized I hated driving on highways, making left turns, and parallel parking. And then after a little incident, I hated making right turns too. So, I’ve taken up walking and (getting lost on) public transportation. This is [...]

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Installation Help

November 2nd, 2007 · No Comments · Earth, Manuals, Maps

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The Google Earth Help Center has many tips to help you successfully install Google Earth on your computer. Additionally, the Help Center has many troubleshooting tips that you can use to improve performance of the application.
If you cannot find the answer to your particular question, be sure to check out the Google Earth [...]

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v2.85: Wondering how looong your polylines are or how BIG your polygons are? We have the answers!

November 2nd, 2007 · No Comments · Google Maps API News, Maps

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In the latest version of the API, we’re introducing utility functions to give you more information about your lines and shapes: GPolyline.getLength, GPolyline.getBounds, GPolygon.getArea, and GPolygon.getBounds. Below, I’ve modified the code from the E-Z Digitizer tutorial to show you the length or area of the drawn poly, and let you zoom to the [...]

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Published Versus Unpublished Content

November 2nd, 2007 · No Comments · Earth, Maps

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When you create content in Google Earth (such as a placemark), this content resides on your computer unpublished until you decide to share this content with others. So if you mark the location of your home, no one can see this placemark until you explicitly share it with others.
Google does not collect or [...]

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LocalSearch Control: 3 New Features!

November 2nd, 2007 · No Comments · GIS and GEO technology, Google Maps API News, Maps

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Posted by Pamela Fox, Maps API Team
The AJAX Search team has added 3 new features to the LocalSearch Control to give developers more flexibility:

Result List Placement Control
Custom Search Form Hint Text
Idle and Search Completion Callbacks

You can read all about the new features in the programming guide, or you can try them out here [...]

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Tour of Driving Directions

November 2nd, 2007 · No Comments · Earth, GEO Travel, Maps

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Once you create a set of driving directions in Google Earth, you can follow a tour of these same directions.
To do this, create some driving directions. In the Search tab, select any part of the driving directions. Click the Play button.

As with all tours, you can alter the camera angle, touring speed and [...]

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Patchwork Effect

November 2nd, 2007 · No Comments · Earth, Maps

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Often when I am demonstrating Google Earth, users will ask me why surface of the Earth often looks like a patchwork or quilt. Different areas are comprised of different colors and sometimes adjacent areas look completely different.
This effect occurs because the imagery you see is made up of individual aerial images of the [...]

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Mobile KML

November 2nd, 2007 · No Comments · Maps

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You may know that you can create compelling custom content for both Google Earth and Maps users with KML. But Google Maps for mobile users can also view this KML content on their mobile devices.
When creating content for small devices, it is best to keep the number of placemarks and visual complexity of [...]

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