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Mostly Mapping

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The Esri Ocean and Atmospheric Forum is taking place this week on the Esri Campus in Redlands California, bringing together a community of atmospheric and ocean professionals to share advances in data collection, analysis, and understanding oceans and atmosphere.


Esri Oceans and Atmosphere Forum


Here's a collection of story maps and apps that cover ocean and atmospheric content. Several of these will be on display in the Geo Experience Center (GeoXC) on the agenda for a tour on Wednesday afternoon.


These story maps and apps, as well as many more maps and layers, covering oceans and atmosphere are part of the ArcGIS Living Atlas of the World, and can be discovered via search at:



Coral Bleaching dashboard


Under the Ocean’s hood


Seafloor Investigator


Ocean temperature


Sea Ice Aware app


Discovering Deep-Sea Corals


Living Atlas ocean data story map


Seamount classification


The Ocean


Marine Unit explorer


NOAA Atmospheric Rivers


Twister dashboard


Precipitation forecast app


Severe weather dashboard


Typhoon Haiyan


Hurricane Harvey


10 most damaging hurricanes




Tropical cyclones


Atlas for a Changing Planet


California Drought


ARGO Float Status dashboard

The destructive fires in the Amazon are causing global concern, and are in the news...So here's a really quick app leveraging ArcGIS Online and Living Atlas content that provides a closer look. It took about about 5 minutes to come up with this very simple app, shown below:


Amazon fires


The Amazon Basin boundary is from WWF, as found on ArcGIS Online by searching for "Amazon Basin." While I'd take off a few points in my Best Practices workshop for this profile and item description, it was enough to convince me it was authoritative.



MODIS hotspots are from the ArcGIS Living Atlas of the World. Just search for "MODIS" in Living Atlas when authoring your web map.



The basemap is the Firefly basemap, one of my favs, and part of the Living Atlas collection. If your organization uses the Esri Vector Basemaps, you'll find it in your Basemap Gallery.



Symbols used to show the hotspots are from the Firefly symbol set.



The configurable app used in this example is Media Map, available via the web map sharing and Create Web App workflow, in the Showcase A Map category tab.



Ask me for more info...


Attachment Viewer is a new (as of the July, 2019, ArcGIS Online release) configurable app. It's intended to provide an easy way to browse feature layer attachments of all types - images, photos, documents, videos, and more. It can be used to view photos captured with Collector for ArcGIS, Survey123, QuickCapture, and other field and desktop apps.


Attachment Viewer


Learn more by reading Browse feature layer attachments using Attachment Viewer in the ArcGIS blog. You can also view the Esri Campus Locations sample app.


One of the nice capabilities of the app is that you can navigate to any feature, and browse to any attachment, and can share the location and attachment via URL, shortlink, Facebook, and Twitter.

With recent data compiled by the USGS, the WNS maps and Story Map have been updated. The update includes new reports from Texas, Washington, Minnesota, and several Canadian provinces.


Story Map


Interactive map


How the maps are made

The Story Map uses the Story Map Journal, and embeds two Story Map Series and the Time Aware configurable app.

The interactive map shown above uses the sharing preview of the map in the Minimalist configurable app. For more information on this "quick share" technique, see Quickly share your map using an app.

Today, June 6th, 2019, is National Caves and Karst Day. You'll find lots of commercial caves and National Park caves holding special events today.



I took a quick look for cave and karst related maps and apps on ArcGIS Online, here's the search links.








What are you doing with cave and karst GIS and digital mapping on this day? Share your stories!

Too many maps, apps, or Story Maps that are otherwise great, have suffered from poorly crafted or unconfigured pop-ups. Even the very best GIS and digital mapping pros often overlook the importance, and ease, by which great layer pop-ups can be made. Pop-ups are equally important as thinking about how you present your map data. We typically think about cartography, and smart mapping provides great tools and guidance to help us make better maps, but all too often those great maps are spoiled by poor pop-ups.


Pop-ups are an equally important part of the overall map experience, and deserving of no less attention than other aspects of your maps. They are a very important and integral part of the presentation of information in your maps, and can turn a dull and dopey dump of attributes into a far more meaningful presentation of information.


See the comparison below - which do you think is the better presentation of information?



Updated posts


With the above in mind, I've updated a series of blog posts that provide all the information you will (perhaps ever) need to craft amazing pop-ups. 


Pop-ups: the essentials covers all of the basics, and all of the ways you might think to present information.It includes a sample web map that covers all of the examples in the blog post.


Pop-ups: custom attribute display covers everything from single-attribute pop-ups, to using HTML. It includes source HTML which you can use and modify to make your own, plus a sample web map.


Pop-ups: adding charts covers the basics of adding charts, including some examples that show you how.


In addition to the above, you'll find:



And more...


And you'll find more by searching Help documentation, and also searching for additional posts on the ArcGIS Blog about pop-ups.


Let's make pop-ups an essential part of authoring great web maps.

This is an example of an online cave map with links to photos. The cave is real, it was mapped and (re-) discovered during a project for Humboldt-Toiyabe National Forest. The cave name is hidden, as is its location. Click the camera symbol to see the photos, you'll see it's a very unique and special cave.
The map was scanned and then published using ArcGIS Online to scale, It's geolinked, not geo-referenced, since that made the most sense for a cave of this size.
Click the camera icon to view the pop-up with a photo thumbnail. Click the thumbnail to view a larger photo.
What I like about this example is that it uses the best tools for the best results. The cave map was drawn using Illustrator, and most cave maps are drawn using Illustrator or similar graphic programs. Yes, you could do this in ArcGIS Pro but it would be tedious. It's much easier to create this type of map in Illustrator, or Xara, or a similar graphics program. The map is actually geolinked (not georeferenced) to an ArcGIS Online feature layer in an online database. However it was published from ArcGIS Pro and used a technique to publish it at it's correct scale, so web map tools like Measure can be used.

Here's a couple of examples that I put together that show different ways to manage a variety of documents associated with a feature in a hosted feature layer. The original question and subsequent example was catalyzed by someone that wanted to explore how different kinds of documents - photos, PDF files, scanned images, maps, etc. - could be associated to a specific location, in this case a cave location, or a survey station in a cave survey.


This example uses a hosted feature layer with links to various document storage options - Flickr, Google Drive, an ArcGIS Online group, and two group-based configurable apps - Minimal Gallery, and Category Gallery.



In my opinion the best implementation is actually the Category Gallery. Click the filter to browse the categories describing the content found in the group. This, however, was the most curative intensive approach. Perhaps the easiest were Flickr (if you are focused on photos) or Google Drive if you just need to manage a variety of documents.


This next example shows all of those document types stored as attachments to the feature. All of the attachments were enabled and added using ArcGIS Online. ArcGIS Pro was not used, everything was done on the ArcGIS Online hosted feature layer using layer settings, and editing capabilities in the Map Viewer.



Attachments are a very powerful way to store many different kinds of document types with any feature. 


Which method is best? Well as usual it depends on what you need to do, your intended audience, and the workflows involved in adding documents to features and who will be managing and viewing them.

I just stumbled across this nice Story Map Tour of the Rudické plateau in the central part of the Moravian Karst titled KRAS RUDICKÉ PLOŠINY. Details about the app can be found on the website.



On the maps and documents to download page you'll also find an interesting PDF document - the Map Guide to Moravian Karst (MAPOVÝ PR┼«VODCE MORAVSKÝM KRASEM) - containing links to maps of the area as well as well as descriptions for features found on each. It's published in several languages, so you might be able to read one of them.

This post covers the basics of symbol rotation in ArcGIS Online web maps. Symbol rotation is easy, and is perfect for "direction focused" point features. These include cameras, travel direction, wind direction, and much more.



But there are some very interesting things you can do using a combination of stacked symbols and rotation, covered in this post:



Stacking symbols allows you to create gauges, that rotate with your data whether it be static or live.


This post covers everything above, with a sprinkle of Arcade thrown in. Arcade is used to calculate the offsets needed to rotate the needle on top of non-circular, or non-half-circular gauges.



Using these techniques, you can come up with all sort of creative applications of stacked symbols and rotation.

With an anticipated Friday landfall, Hurricane Florence is bearing down on the mid-Atlantic United States with potential to cause "massive damage" in both coastal and inland areas. North Carolina Governor Ray Cooper said the storm is a "monster" and will be "like nothing you've ever seen." Over a million people are subject to mandatory evacuation orders.


This Hurricanes and Tropical Cyclones Overview Story Map is published by the Esri Disaster Response Team. The underlying map is authored using ArcGIS Living Atlas of the World content that includes the World Imagery Basemap, Sea Surface Temperature, NOAA Hurricanes, NOAA Short Term Warnings, as well as Accuweather weather radar.


The Story Map Series (tabbed layout) embeds a variety of other apps, including those built using Web AppBuilder such as the Hurricane and Cyclone App.




Other maps include the Hurricane Florence Error Cone: Projected Impact authored using the Impact Summary configurable app template:




And the Hurricane Florence Tracker built using the Minimalist configurable app template:



For more hurricane maps, apps, and layers visit:


For more infomration and to request assistance, visit the Esri Disaster Response Program website.

This year has been among the worst in U.S. wildfire history. This application, by John Von Holle and Jeff Dulin of the International Association of Fire Chiefs (IAFC), shows the current status of wildfires using continuously updated data.



The app is built using Operations Dashboard for ArcGIS, and leverages basemaps, active fire locations and perimeters, MODIS hotspots, and drought data from the ArcGIS Living Atlas of the World, along with other data sources.


See the tweet:

This app was brought to my attention the other day by warren roberts. It's an app by Redding GIS about the Carr Fire, which has devastated the area and destroyed over a thousand homes, tragically claiming at least 7 victims (check the web for the latest).



Open the app, built using Web AppBuilder, and click on one of the pushpins:



Click the link to view the Aerial 360 View, provided by Esri business partner Hangar 360. The 360s are as fascinating as they are sobering, documenting the devastation of the fire.



For more information see the Inciweb and Cal Fire websites for the Carr Fire. For disaster response assistance see the Esri Disaster Response Program website.

To verify and test a few things, I came up with a 3D visualization of Hidden River Cave, located in the town of Horse Cave, Kentucky. Click the Slides to view the cave from various perspectives, or use your mouse to explore the cave interactively.



How it was authored


The cave survey data is courtesy of the Cave Research Foundation, with thanks to Dave West, CRF Eastern Operations manager. The cave survey data was entered, managed, and exported as a multipatch shapefile using Compass, one of the more ubiquitous cave survey editing, management, and visualization programs, used widely in the U.S. and also in other parts of the world. Authored by Larry Fish, the software is downloadable from the Compass Cave Survey Software website.


The multipatch uses the LRUDs - the Left, Right, Up, Down measurements recorded by cave surveyors at each survey station to create a generalized 3D model of the cave. Compass uses these values to construct a 3D model of the cave, which can be exported to a 3D multipatch shapefile.


Once exported, the multipatch was added to a scene document in ArcGIS Pro. Using Pro, a scene layer was published to ArcGIS Online, and used to author a web scene using the Scene Viewer.  Slides (captured specific views of the cave) were saved using the Scene Viewer. The scene was then shared in the application linked above - the Scene Styler, a configurable app used to present web scenes to a broader audience.

For the last few days I've had a first-hand view of the smoke from the Ferguson Fire blowing over the Sierra Nevada, from the west side on the outskirts of Yosemite Valley (currently closed due to the fire) to the town of Mammoth Lakes on the east side where I currently am. Even the crows were complaining about the smoke. I could only imagine what firefighters had to endure on the front lines of the fire, we should never forget what they do and their sacrifices.


There are many maps that have been created for this fire, and the numerous other fires that now dominate California. But for this Map of the Day installment I chose this one:



It's a Story Map, specifically a Story Map Series using the Side Accordion layout, that serves as a "binder" for other apps and information. Using this Story Map you can discover which apps are useful and frequently used for wildfire response, and which Living Atlas layers can be leveraged to provide authoritative content. It's a great library of useful apps and content created by the Esri Disaster Response Team. See their ArcGIS  portal for more information and additional maps and apps.