[gis_info] ArcGIS Arcade – The GIS Language You Probably Haven’t Learned but Definitely Should

Eric Pimpler eric at geospatialtraining.com
Mon Jan 7 12:17:56 PST 2019

While the ArcGIS Arcade <https://developers.arcgis.com/arcade/> language
has been around for awhile now most GIS professionals haven’t yet taken the
time to examine how this simple expression language can be used to
dynamically produce content and visualization for both ArcGIS Pro and
ArcGIS Online.  Arcade can be used to assist with labeling, symbology
rendering, field calculation, and pop-up content.  Dynamic labeling and
visualization has become a lot easier with the release of Arcade. What
makes Arcade unique is that the expressions are portable, so that they can
be used through the whole ArcGIS Platform.  Scripts you create in ArcGIS
Pro can also be read and executed via a WebMap in traditional browser or
mobile applications or via the JavaScript API for ArcGIS.
Response to a Common Problem

Arcade is a response to a common problem. How do you display data when
there is no column in the schema containing that data? Up until now, if the
map layer you are working with did not have exactly the right attribute
data you need, you had two choices:

   - Alter the underlying data, or
   - Bring in the services of an application developer

ArcGIS Arcade has a simple scripting syntax that enables you to manipulate
your existing data to generate new information based on it. While this sort
of functionality has always been available in certain Esri products – most
notably Desktop – the aim behind Arcade is to make it available everywhere
in the ArcGIS platform, and for it to work identically in all
environments.  You can almost think of Arcade as “Excel for ArcGIS”. In
much the same way as Excel lets you write formula to work with spreadsheet
data, Arcade lets you do the same with map data.

Read the entire article

Eric Pimpler
Geospatial Training Services
215 W Bandera #114-104
Boerne, TX 78006
Twitter - @gistraining
eric at geospatialtraining.com
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