Cases and Deaths by Country

Week on Week Incremental

Cumulative

Cases and Deaths by US County

Week on Week Incremental

Cumulative

This post is updated weekly (on Sunday) with global and US county level coronavirus data from Johns Hopkins University. Four videos show both cumulative and week on week progression (comparing seven day moving averages) of the disease together with four images that show the most recent snapshot.

Cases and deaths are shown simultaneously using blue for cases and red for deaths. Where both are high a region will be a shade of purple. Regions with no data are dark gray.

The week on week incremental visualization is useful to see the history and current state of the spread of coronavirus. Each region is shaded based on the highest number of daily cases and deaths for that region and is relative to population. For example if the highest number of deaths reported on any day in San Francisco county is seven, then any day that has seven deaths will be the brightest shade of red. This shows where COVID-19 is relatively bad over time.

The cumulative visualization is shaded relative to the highest total death and case count for any region, relative to population.

As the location and date of the peak in week on week and cumulative cases and deaths change over time the videos will be different each time you watch. Bookmark this post and check back for weekly updates.

(This is the fifth version of this post as I have changed the data source and methodology several times. I usually preserve the previous version of any post but the changes are large enough that in this case I have removed them).

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Links

Catfood.Shapefile 1.51: http://t.co/BKtkx9Zq (ESRI Shapefile Parser, fixed release binary issue).

4 of 5 stars to The Snowman by Jo Nesbø http://t.co/IrvdrDBf

Breaking Good: how to synthesize Pseudoephedrine (Sudafed) From N-Methylamphetamine (crystal meth): http://t.co/fviYaj5P

ITHCWY: Catfood.Shapefile 1.50: I've just released a small update to my C# Shapefile library on Codeplex. Catfood… http://t.co/lXoGoBsY

4 of 5 stars to The Redbreast by Jo Nesbø http://t.co/PqrOQnQL

Epic #Bernal Panorama: http://t.co/zVqZYosG - via @bernalwood

Neal Stephenson on getting big stuff done http://t.co/6PHS1VD1 #todo @myEN

Stop Colbert: http://t.co/kBtSC7NV via @NancyPelosi

Wolfram|Alpha Pro: http://t.co/G88eWq6Y #tools @myEN

A History of the Sky for One Year: http://t.co/UKMjosCK (very cool)

+1: A U.S. appeals court rules Prop. 8 unconstitutional: http://t.co/TZgdKU9k #fb

ITHCWY: Badge Driven Development: Microsoft has released Visual Studio Achievements, an extension that brings… http://t.co/5BOyNF03

ITHCWY: GGNRA Dog Management Plan Update: I love it when making some noise works. The NPS is pushing its dog… http://t.co/fzqaJWM2

Unicode Character 'PILE OF POO' (U+1F4A9): http://t.co/LkGffsvW

http://t.co/NA6TOdQk #todo @myEN

BBC News - Can the US Army embrace atheists? http://t.co/5ubkKT7r

Running an API at HUGE Scale - Webinar: http://t.co/tEnxdRBM #API

4 of 5 stars to The Leopard by Jo Nesbø http://t.co/tIIPs1M5

ITHCWY: Reviews and Links for January 2012: Damned by Chuck Palahniuk 3/5 Very much a vehicle for Palahniuk to rant… http://t.co/6kvApyf1

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I’ve just released a small update to Catfood.Shapefile. Stephan Stapel, who implemented PolyLineM support, has contributed a patch that improves the class hierarchy. CodePlex user originSH suggested supporting the ACE driver for 64-bit systems. I’ve added a constructor overload that allows you to use predefined Jet and ACE connection strings or provide your own templates if necessary. Thanks to Stephan and originSH.

Catfood.Shapefile is a .NET library for enumerating ESRI shapefiles. I originally wrote the library to help me build some complex layers in Catfood Earth. Since then it’s picked up thousands of users and some really valuable suggestions and patches from the CodePlex community. I’m very glad a took a couple of hours to open source the library back in 2009.

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I’ve just updated Catfood.Shapefile, my ESRI Shapefile parser for .NET, with PolyLineM support thanks to a contribution from Stephan Stapel. The solution for the new version has also been updated to Visual Studio 2010.

Download Catfood.Shapefile.dll 1.30 from CodePlex.

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I've just released a small update for my ESRI Shapefile Reader project on GitHub. The only change is a patch from SolutionMania that fixes a problem when the shapefile name is also a reserved name in the metadata database. The patch escapes the name preventing an exception from being thrown.

Catfood.Shapefile.dll is a .NET 2.0 forward only parser for reading an ESRI Shapefile. Download 1.20 from GitHub.

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I've just released v1.10 of my ESRI Shapefile Reader (Catfood.Shapefile.dll). This is a .NET 2.0 forward only parser for reading shapefile content.

Sharon Tickell was kind enough to report two bugs with suggested updates. These have both been fixed in 1.10.

While working on these fixes I also discovered that there are no 64-bit Jet drivers (since releasing the first version I've upgraded to a 64-bit box for development). This is an easy fix, just target any application using Catfood.Shapefile.dll at x86. I've updated the demo application accordingly.

Download Catfood.Shapefile.dll from GitHub.

(All Code Posts)

I've just released a .NET library for parsing ESRI shapefiles - see ESRI Shapefile Reader on GitHub. The library and source code are available under the Microsoft Public License.

A Shapefile is actually at least three files: a main file containing shape data (*.shp), an index file for locating shape records in the main file (*.shx) and a database of metadata for each shape (*.dbf) in dBASE format.

I ended up writing the library in order to convert Eric Muller's time zone shapefile into a format I could use with Catfood Earth. I found other libraries that could read shape data but not metadata, or provided a very thin .NET wrapper on top of unmanaged code and so I decided that a fully managed library could be useful.

The library - Catfood.Shapefile.dll - provides read-only, forward-only access to shapes and shape metadata. Currently all 2D shapes are supported: Null, Point, MultiPoint, PolyLine and Polygon. I might add additional types in the future, or if you have a pressing need it would be easy to extend the library by looking at an existing shape subclass and the shapefile specification (PDF).

See the GitHub project for sample code and documentation.

Updates

• Catfood.Shapefile 1.60
• Shapefile Update
• Catfood.Shapefile 1.50
• PolyLineM support in Catfood.Shapefile
• ESRI Shapefile Library Update
• Catfood.Shapefile.dll 1.10

Catfood.Shapefile 1.60

I just released Catfood.Shapefile 1.60. This contains a fix from Libor Weigl that factors out the enumerator so that you can still access the shapefile after enumeration.

Catfood.Shapefile is a .NET library for parsing ESRI Shapefiles.

(previously)

Shapefile Update

A few people have asked for 3D shape support in my ESRI Shapefile library. I've never got around to it, but CodePlex user ekleiman has forked a version in his ESRI Shapefile to Image Convertor that supports PointZ, PolygonZ and PolyLineZ shapes. If that's what you need please check it out.

Catfood.Shapefile 1.50

I've just released a small update to my C# Shapefile library on Codeplex. Catfood.Shapefile 1.50 fixes a couple of bugs related to metadata and adds the ability to access metadata records directly via IDataRecord. 

PolyLineM support in Catfood.Shapefile

I’ve just updated Catfood.Shapefile, my ESRI Shapefile parser for .NET, with PolyLineM support thanks to a contribution from Stephan Stapel. The solution for the new version has also been updated to Visual Studio 2010.

Download Catfood.Shapefile.dll 1.30 from CodePlex.

ESRI Shapefile Library Update

I've just released a small update for my ESRI Shapefile Reader project on GitHub. The only change is a patch from SolutionMania that fixes a problem when the shapefile name is also a reserved name in the metadata database. The patch escapes the name preventing an exception from being thrown.

Catfood.Shapefile.dll is a .NET 2.0 forward only parser for reading an ESRI Shapefile. Download 1.20 from GitHub.

Catfood.Shapefile.dll 1.10

I've just released v1.10 of my ESRI Shapefile Reader (Catfood.Shapefile.dll). This is a .NET 2.0 forward only parser for reading shapefile content.

Sharon Tickell was kind enough to report two bugs with suggested updates. These have both been fixed in 1.10.

While working on these fixes I also discovered that there are no 64-bit Jet drivers (since releasing the first version I've upgraded to a 64-bit box for development). This is an easy fix, just target any application using Catfood.Shapefile.dll at x86. I've updated the demo application accordingly.

Download Catfood.Shapefile.dll from GitHub.

(All Code Posts)