EVC April and May 2010 Geospatial Newsletter


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   Authoritative Worldwide Maps, Geospatial Data and GIS Services

EAST VIEW CARTOGRAPHIC NEWSLETTER
April & May 2010, Volume 2, Issue 4




EVC searches the world for YOU
Greetings from East View Cartographic.  We strive to meet your needs and would like your help to do so.

Area of the World Poll Question - Geospatial (Non-EU)
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GROUND CONTROL POINTS
CompassData and EVC form new partnership

East View Cartographic is excited to announce a new partnership with CompassData, Inc. and their extensive Ground Control Point (GCP) archive.
In order to be of any use spatially, imagery must be referenced to the real world. This is achieved by taking photo-identifiable locations visible within an image and assigning their true coordinates. Those coordinates form the basis for correcting that image through sophisticated terrain modeling techniques into an accurate map image, which can then be used in a variety of applications.

CompassData GCP via helicopter
CompassData uses photo-identifiable landmarks for easy imagery verification

Contrary to popular belief, higher resolution aerial or satellite imagery will not replace the need for ground control. In fact, GCP use becomes increasingly more important as image quality improves and user expectations increase. Use of suitable GCP's in sub-meter imagery can increase spatial accuracies into the 20-50 centimeter range.

By using standardized, industry-accepted processes for collection and analysis, CompassData can deliver concise and user-friendly data in a timely manner to EVC. For convenience, each GPS coordinate is delivered along with supporting digital photographs and field sketches.

 
CompassData  GCP's  -  World
Map of CompassData's GCP's throughout the globe (May 2010)

CompassData maintains the largest commercially available GCP archive in the world with over 13,000 points available.  If it is not available in archive,
EVC can arrange for collection of new GCP's. 

This partnership with CompassData extends EVC's effort to bring the right collection of geospatial assets together resulting in high quality, cost-effective and authoritative solutions for our customers.

Contact us for additional information on CompassData and ground control points.


VMAP1-Compliant GIS Vector Dataset

VMAP1 DOESN'T COVER IT?  LOOK TO EVC


For much of the world, the standard VMAP1 product is not available.  In those areas, EVC has created a full-vector map product which meets the quality and standards of the 1:250,000 scale VMAP1 product.  The database structure and naming conventions are identical to VMAP1.  This vector product is produced from best-available (as of 2008) topographic maps at appropriate scale.  Most of the data includes updates from recent medium-resolution satellite imagery.


All feature names and attributes are in English, and any text from foreign alphabets has been Romanized. The thematic data layers include all features typically found on a topographic map, including geographical feature names.  See below for a list of the Thematic Categories (actual thematic data layers are too numerous to list).  The format and structure of the database adheres to NGA's VMAP specification and protocol.
 
VMAP1  250K  -  Italy
VMAP1-Compliant 1:250K Map - Italy

Thematic Categories
VMAP1  Thematic  Categories

This product is sold per tiled grid at $250 per tile.  Some tiles only cover portions of a country and are priced by size.  The data is available in ESRI Shp format.  Other formats are available upon request.

Contact us for more information or visit www.cartographic.com for coverage indexes, sample data, and other information.


LandScan TM Global Population Database
2010 Edition
             INDISPENSABLE for GLOBAL POPULATION STUDY
East View Cartographic is now offering the LandScan TM Global Population Database developed by the Department of Energy's Oak Ridge National Laboratory (ORNL). The dataset comprises a worldwide population database compiled on a 30" X 30" latitude/longitude grid.  As a commercial distributor of LandScan TM , EVC offers this extremely valuable and completely unique GIS resource to its customers worldwide.
Census counts (at sub-national level) are apportioned to each grid cell based on likelihood coefficients, which are based on proximity to roads, slope, land cover, nighttime lights, and other information.  The resulting grid has a population count assigned to each cell.  Given the 30-arcsecond dimensions of each cell, the actual square kilometers covered vary over the globe.
The LandScan TM dataset covers the entire globe, excluding Antarctica.  The database is updated for release annually, and as such EVC currently offers the 2007 version of LandScan TM .  This dataset was made with GIS users in mind.  It is offered in two formats:
  1. ESRI Grid format.  This requires either the Spatial Analyst extension or ArcInfo package to properly view.  Also included area a fantastic set of custom ArcGIS tools which allow you to perform your own population anaylses.
  2. Raster binary format.  This format is more widely usable and can be read by nearly any GIS or geospatial software package.
LandScan  Korea  image
Korean Peninsula, LandScan TM 2007

The LandScan TM dataset is available for purchase by country, or in its entirety.  Also included are a robust set of metadata, documentation, and user's guides to enable you to get the most information possible out of this data.  
Price varies by country; the global dataset is $2,500 for a single-user license.  Please contact us for a full description of the licensing tiers and associated pricing.



East View Cartographic, Inc.

Thank you for taking the time to look at these products .

For regularly updated information on our new acquisitions, please visit our homepage regularly.  While you're there, click on  Video  Play  Function to learn more about EVC's vast inventory and expert GIS capabilities.

In All Countries Outside of the EU
Michael Cloutier
Phone: +1 952-252-4560
michael.cloutier@cartographic.com  

In The European Union
Paul Verhaere
Phone: +31-264425258
europe@cartographic.com

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East View Cartographic (EVC) is a leading provider of authoritative maps and geospatial data from around the world. Products are available through our web site and our staff can skillfully assist customers with detailed data requests.

EVC specializes in custom GIS data production using data from a variety of in-house or client sources. EVC is the leading provider of global outsourcing management services, helping clients find and manage the right mapping and GIS data production resources for each project. EVC offers a broad range of geospatial raster and vector data from high-resolution DEMs to full vector GIS datasets.

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Commercial Satellite Imagery

EVC is an authorized reseller of the major commercial providers:


DigitalGlobe



GeoEye  Logo

Spot  Image  Logo

RESTEC  Logo

USGS  Logo

...and others


Please contact us to discuss your unique imagery project!

E-Commerce

As always, much of our off-the-shelf raster, vector, and DEM datasets can be purchased via our e-commerce website

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