The First Weather Map

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Sir Francis Galton was the first to identify the anticyclone (as opposed to the cyclone), and introduced the use of charts showing areas of similar air pressure – the modern weather map.  His book Meteorographica was the first systematic attempt to gather, chart and interpret weather data on a continental scale, a fundamental work of modern scientific meteorology.

Galton prepared the first weather map published in the British newspaper The Times (April 1 1875, showing the weather from the previous day, March 31), now a standard feature in newspapers worldwide.  Click below to read more about Sir Francis Galton.

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Beyond The Sea Interactive Map

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Standing out on the shoreline, have you ever wondered if you set sail straight ahead across the sea what other beach would you run into?  Check out the Beyond The Sea interactive map.  You can move your mouse along a shoreline or click on a country to visualize all the locations which lie directly across the sea.  Location names will be displayed once the track hits land.  Colors of the lines represent the different destination continents.  Try the Start Fireworks button too for an impressive display!

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ArcGIS Online User Type Changes Tomorrow

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Starting the night of December 5th, ESRI will be changing the user types in ArcGIS Online.  Right now there is a Level 1 and Level 2 user, where Level 1 was a viewer only and Level 2 could publish and edit data.  After the change there will be 5 user types: Viewer (formally Level 1), Editor, Field Worker, Creator (formally Level 2), and GIS Professional.

The new user types include a mix of capabilities and included applications.  For example, the Field Worker user type includes the ability to edit existing datasets through field apps like Survey123, Workforce, and Collector.  The different functions of each user type can be found here.  Read the ESRI blog about the new user types here.

ESRI states your current user settings will not change … I would check that after December 5th!  Role settings will not change.

Survey and Mapping With Drones December 14

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Warren Roberts at Rio Hondo College has a Survey and Mapping With Drones session on December 14 that all are invited to attend at 10am.  It is free.  The location is at a field station in Claremont.  If you are interested, you need to register at https://drive.google.com/file/d/1lF0-_uujCZst7h5cPCzf5y_PPKHyDFrw/view?usp=drivesdk .

Any questions should go to Warren Roberts at gisteacher@gmail.com .

World Atlas of Desertification

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20 years have passed since the last atlas of desertification was published by the EU.  Within that short period, the environment has undergone enormous global changes due largely to human activities.  Fortunately, because of the massive increase and growth in the availability of global and regional datasets, and the tools necessary to analyze them, significant progress has been made in understanding human-environment interactions.  Continue reading →

CAMS Partnership Meeting

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The Los Angeles County Countywide Address Management System (CAMS) is a system that supports the County’s role in maintaining accurate, authoritative, geospatially referenced, situs (physical) address information for the entire County of Los Angeles including all incorporated Cities within.

The Los Angeles County eGIS Group is hosting an meeting for the incorporated city jurisdictions on December 6th. This meeting is intended to open the lines of dialog regarding “Addressing Authority” roles, responsibilities, and build an addressing partnership for LA County Cities and the countywide address process.

For more information about CAMS, visit the LA County Enterprise GIS website.  To register for the meeting click below.

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Error: Failed to connect to database

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Have you tried to open a Microsoft Excel file in ArcMap and get the following error?

Error: Failed to connect to database. An underlying database error occurred. Class not registered.

I used to be able to open Excel files and now it stopped working.  What happened?  Well … our computers were recently upgraded to Microsoft Office 365 and when that happened it removed an important driver that ArcMap uses to open Excel files.

What to do?  Head on over to this ESRI Technical Support article and install the Microsoft Office system driver.  Don’t worry if you were using a version of Office other than 2007, the driver will work for you.  It fixed my problem!