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4

As already pointed out in the comments, the problem is that you are directly opening the HTML file in your browser. This will show up like file:///C:/map.html in your address bar. The OSMGeocoder plugin is calling the URL location.protocol+//nominatim.openstreetmap.org/search (see source code). This works on webservers because the location.protocol is ...


2

The basic idea is to listen for the geocoder.input and to create a point based on the result. geocoder.on('geocoder.input', function(ev) { map.getSource('single-point').setData(ev.result.geometry); }); Here's an example demonstrating it: https://www.mapbox.com/mapbox-gl-js/example/point-from-geocoder-result/


2

As you mentioned in the comments, the Parcel data is your office's responsibility. I'm going to assume that you are only tasked with the spatial data portion of the newly subdivided lots and that another office in the municipality (Planning or Taxation, perhaps) handles assessment and land records management. If that is the case, I would consider adding a ...


2

This is known as a spatial join. You can do this in any GIS software - QGIS is free so would be a good place to start. See Importing spreadsheets to display your lat/long coordinates on the map, then Performing Spatial Joins to associate the points with the zip codes. Then export the result to a new table.


1

There are different geocoders which use different methods and input data. One approach relies on centroids of either parcel or building data. If the address is 123 Main St, the geocoder identifies the parcel or building with that address and assigns the point location based on the centroid of the polygon This will be inaccurate, for example, when you ...


1

Well, coincidentally I have been working on this issue myself recently :-) Of course, Stack Exchange has the answer. A post at Stack Overflow, specifically, provides the algorithm to 'average' latitude and longitude data. For your convenience, and that of anybody who may search for this same issue, I have written an R script to achieve your goals: ### ...


1

a user uploads a zipped file with a bunch of files (.shp and .dbf) It sounds like you're looking for a shapefile technical document. ESRI has one published at this link: http://support.esri.com/en/knowledgebase/whitepapers/view/productid/21/metaid/279 There are a lot of open source shapefile tools, like Pyshp so you don't need to create your own. ...


1

Yes, the rerun address would charge against your account. As you would be re-hitting the services hosted by ESRI this falls into the normal credit-usage. While there is not specific documentation of this; my personal experience with the ArcGIS Online credits and how they are applied see this as consistent.


1

Ah, this question. First, let me say that I work for an address validation company, SmartyStreets, but I will try to be objective. US Geocode data generally comes from two basic sources, FREE and EXPENSIVE. Let's go there for a little bit. Free geocode data comes from the US Census Bureau. Some will tell you that it comes from USGS or even from the ...


1

Using Bing, Google HERE, or any of the other enterprise mapping providers would require that the base maps also be from the same provider, with the exception that you can mix Bing and HERE data together. Bing Maps is a good choice as it has most of the data HERE has, but in some countries uses other (better) data providers, for instance, China, Japan, and ...



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