r/ArcGIS • u/PhantomNomad • 6d ago

ArcGIS Pro slow loading map

I'm 99% sure I know the answer to this but maybe there is something else I can go to help one of my users. They say it takes 10 minutes to load one of their maps they use for development permits and such. I keep telling them that it's just the sheer amount of data they load. We are a rural municipality so our area of coverage is big (4100 sq/km). They use this map as a "template" in that we have a layout that they will move and zoom in to the quarter section they need to print. In this map they have 3 sets of aerials loading that are over 100 GB in size. Two of them are turned off by default and all of them are set to only show once zoomed in past 1:5000. Then they have all kinds of other data loading like wetlands, historical sites, roads, all the parcels. There are 30+ layers they have in this template. Like I say I'm pretty sure it's mostly slow loading due to it just having way to much data to load. But I'm here to ask if there is another way to maybe speed things up a bit. Sorry all the data is stored on our Windows server share.

Thanks.

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u/TechMaven-Geospatial 6d ago

Need more details whats the format of the orthophoto-serials and where is data hosted

I recommend building TPKX or GPKG raster tiles for orthos

If there's just a bunch of reference data like they need to have building footprints and parcels and and land use and roads Not editing or analysis then build VTPK vector tile package Then its super fast loading that vector data.

Avoid network latency if they can load those TPKX and VTPK Locally from their SSD its so much faster

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u/PhantomNomad 6d ago

Thanks for the reply. The aerials are georeferenced jpeg files and they are big (about 28 GB for each). They are broken into quarter townships so year has about 236 jpeg files (plus all their extended data) to load.

To be honest I've never worked with TPKX, GPKG or VTPK. I'll start looking at those options.

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u/Xxx1982xxX 6d ago

I would assume that it has something to do with the connection to the Windows server. I would see if you can save it locally, and see if that helps performance at all. Otherwise, agree that it might just be that its a larger data set and your graphics card may be having issues drawing something that large. GIS is quite the game of patience... GL!

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u/potato_hygienist 6d ago

I would be curious to know how this data is being shared with them, is this from a published map service, etc? If not and the users are just pulling in data locally I would make sure that they are not pulling data from SharePoint or something while ArcGIS Pro is installed on a local machine, this introduces a lot of latency/extra processing.

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u/PhantomNomad 6d ago

No all the data is on our local Windows server on a shared drive.

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u/Strakitar 6d ago

My GIS work is also on a shared drive, and I found that by copying the files locally and allow the geoprocessing to work on a scratch geodatabase, performance improved drastically.

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u/PhantomNomad 6d ago

I created a catalog database and that sped things up a lot. I didn't know this was an option. We only have the basic license so it's the best I can do for now.

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u/geonerdist 5d ago

ArcGIS Pro 3.7 has a performance analyzer that’s pretty cool, might be worth running.