Hi,
I just added a spreadsheet of 7 different points. I used GPS Visualizer: Free geocoders: Convert addresses to GPS coordinates to geocode my addresses (city halls). 4 of the 7 when placed on the map, were mapped correctly. The other three were waaaay north of the county I'm mapping. I used Geographic Coordinate System: Name: GCS_WGS_1984 to add my xy data. Does anyone have any suggestions as to how/why this happened and how I can fix it? Thanks so much.
I ended up using this site Free Online Non-Parsed Postal Address Geocoding (texas a&m) and was able to finally get gis to recognize the coordinates. Funny, even when using the same coordinates for 'go to xy' feature it came up with a different location than uploading that address in a spreadsheet.
Check this link out: Geocoding – Some learning resources
https://community.esri.com/docs/DOC-6206#comment-14223
It's an awesome resource!
You will need some type of reference data such as a road centerline file with address ranges. Once you have a source data file you can follow these instructions.
If all these points are in the same county or counties, it might be your best bet to see if your local county or city GIS department has those layers. That would be your most accurate data. They like to strip information out when they send data to a data repository.
ArcGIS Help 10.1
Steven.
Ya, it looks like it can't find any part of the address so it's throwing it in the middle of the US.
Haven't checked out this site yet. How do you roll your own?
Ok, those coordinate have finally worked except for the Huntersville coordinates. That one is in Kansas.
Ever check here for NC GIS data? Maybe 'rolling your own' locator is a better way to go....
Just a thought.
Looks like it can't find 232 on the last address so it's defaulting to the street name. They most likely don't have a sufficient address range in their data that is valid for 232.
Steven
Here's what I got when I put those in to the geocoder you listed:
latitude,longitude,name,desc,color,source,precision
39.78373,-100.445882,"101 Huntersville-Concord Rd, Huntersville, NC 28078",US,,MapQuest Open,country
35.497836,-80.849496,"216 S Main St, Davidson, NC 28036","216 South Main Street, Davidson, Mecklenburg County, NC, US",,MapQuest Open,address
35.117336,-80.72053,"232 Matthews Station St, Matthews, NC 28105","Matthews Station Street, Matthews, Mecklenburg County, NC, US",,MapQuest Open,street
actually, looking at the streets baselayer, the streets it located on isn't even close. I'm in NC and it puts the 3 addresses in WV. If it helps, the addresses are:
Not sure if those streets are locating on an appropriate place elsewhere, it's pretty far away from my county. When you geocode using that website, it will show you a map of where the point lies. Looking at it for all 3 addresses, there are in the correct location. I've also used another geocoding website to double check. I wasn't sure if it was GIS or the geocode that was messing up but that seems to make it seem like it's GIS, not the geocode site.
I'm with Steve, but would add: Is it possible that the addresses that are mis-matched actually valid in the space they fall? For example, are there more than one 1234 Main St addresses in your vicinity?
Did you personally check those 3 that were incorrect? I have a feeling the Address to XY tool you used didn't return the correct coordinates.
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