We often talk about how easy it is to collect data using Collector. But Collector participates in two major workflows: data collection (and building your own asset repository) and inspection (and knowing the state of each asset in that repository). Here I want to talk about inspections. First, let’s see how you can complete an inspection in Collector. Then I’ll talk about how the data was set up and how the map was made.
Use a Try it map in Collector to do an inspection yourself. Let’s pretend we are firefighters in Naperville, IL, and need to inspect fire hydrants. The last thing we want is to find out one isn’t functional because we need it!
Key to the inspection workflow is how multiple inspections are all tied to a single hydrant. They can share many of the details of the hydrant, such as its identifier, location, and manufacturer. But each inspection is also important in and of itself, and the latest one shouldn’t replace the details about the one before it. To achieve this structure, the hydrants are a feature class and the inspections are a related table—since the inspections don’t have a location separate from that of the hydrants, they don’t need to be spatial. The feature class and the related table have what is known as a one-to-many relationship: one hydrant can be associated with multiple inspections. But each inspection is only associated with a single hydrant.
There is a solution that gets us started. Download the Hydrant Maintenance Inspection Solution, and unzip it on your computer. That solution is built for ArcMap, and instead today we’re going to use that same data but work in ArcGIS Pro. By using the data, we’ll start with a database already populated with hydrants. If doing this for your own city, you could clear those out and start by collecting your city’s fire hydrants. Here we’re going to jump right to inspecting, though.
Collector works with web maps. So once we have our feature class and related table available in ArcGIS Online or ArcGIS Enterprise, we need to add them to a web map.
Now you've used related records to capture inspection data in Collector, and even set up the data and map yourself. We stayed connected, but you could use this same map offline as well. If your company does inspections, now you can now bring those inspection workflows into Collector.
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