Tag: data

Exciting Changes are Coming to Data & Maps

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Based on user feedback, exciting new changes to Data & Maps will include: Ready-to-use layers  that you can easily use in ArcGIS Online and in your applications, Current, maintained layers, Layers of geographic interest to international organizations; United States boundaries … Continue reading

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Input Needed to New Arc Marine Data Model Survey

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Posted on behalf of Shaun Walbridge, Esri Help us set the direction for the Arc Marine data model by sharing information about how you use and manage your marine data. In April, we started a discussion with a webinar to … Continue reading

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Setting a New Course for the Arc Marine Data Model

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On April 2, 2013, an informal working group of twenty-five (including four Esri staffers) participated in a 1.5-hour webinar to discuss the development of a new, improved version of the Arc Marine Data Model (also known as the “Marine Data … Continue reading

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Aqueduct – a new tool for measuring, mapping and understanding water risks worldwide

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by Robert Kimball and Paul Reig, Aqueduct Project, World Resources Institute Water is not just an environmental issue – it has the power to create risks and opportunities that can impact companies, investors, and entire economies. Further proof of this … Continue reading

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USA 113th Congressional Districts now available

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With the newly elected 113th United States Congress starting its term, Esri is pleased to offer the new USA 113th Congressional Districts dataset and map service to all ArcGIS users.

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Design principles for maps using statistical data

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On Thursday afternoon 6 September 2012, the 150 seat Lecture Theatre 2 at Victoria University of Wellington’s Pipitea Campus was full to overflowing with policy analysts, people who work with statistics and spatial data, students and people interested in a presentation which explored the design principles for statistical mapping. Continue reading

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Education UC workshop resources available for download

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Download PPTs, exercises, and data/maps for the Methods for Visualizing Space-time Data and Using and Creating ArcGIS Basemaps workshops presented at the 2012 Education UC. Continue reading

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2010 U.S. Census datasets are now available

We are pleased to announce that the new 2010 U.S. Census datasets with their new geometry and attributes are now available as layer packages on ArcGIS.com. Block Group, Tract, County, and State are all represented as polygons with over 40 attribute fields containing population totals by age and race, along with family and household information. Census Blocks are represented as points with total population and household information.

Average family size by Block Group

Average family size by Block Group

Visit the Esri Data & Maps United States Census page on the ArcGIS Content Resource Center for a list of all the census layers available for download on ArcGIS.com.

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Auto-Complete Polygon vs. Production Difference Polygon Tool

One of the most common problems that can occur when working with vector data is maintaining coincidence.

Maintaining coincidence between adjacent polygon features is important when modeling real word information in a GIS. There are a number of tools in ArcGIS 10 for Desktop that allow users to edit and create features that share boundaries, thus helping to eliminate gaps, slivers, and overlaps.

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Making a large-scale 3D Map: Part 2

By Kenneth Field, Esri Research Cartographer

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1. Introduction

In part 1 of this blog entry, you learned about some of the design considerations for creating a large-scale 3D map and prepared your 2D building data in ArcMap. In part 2, you will use ArcScene to create 3D representations of your building data and also transfer your data to Google SketchUp for further model building. Part 3 will use the models to create a 3D map using an isometric projection and show you how to symbolize features. Continue reading

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