Questions tagged [united-states]
Use this tag for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)
386
questions
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FCC maps of radio station coverage? [closed]
Are there any FCC maps of AM, FM, and TV station coverage on ArcGIS?
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0
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1
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10
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How to find PLSS section corners, given the ring of nodes?
Given a ring of nodes and centroid representing a US Public Land Survey System (PLSS, or Canada DLS) section, find the four corner nodes.
Do the same, but without needing the centroid.
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4
votes
1
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119
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fttx network design in QGIS: how to calculate distance to network backbone or another connected node, whichever is closer
I have a KML file of a fiber regional network (covers 2 US States) and a geocoded list of ~500 building addresses (nodes). I'd like to calculate two numbers for every address:
The distance back to ...
- 41
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0
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46
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Finding out how many people are affected by rail noise in Florida using ArcGIS Pro
I have a TIGER rail line file and the census block layer for Florida. I clipped the rail line file to only have rail lines in Florida, added a buffer to approximate the area extending off the rail ...
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1
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37
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Finding hurricane metadata
How do I find metadata shapefiles for hurricanes that occurred in Florida? I have tried searching for it but I don't know what I'm looking at.
0
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0
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66
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USA zipcodes shapefile
I have excel with zip codes and their respective latitude and longitude details, how can I plot them on arcgis pro in the polygon/polyline shape
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1
vote
1
answer
285
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Unable to find needed California State Plane projection in QGIS
QGIS version: 3.12
OS: Mac 12.1
Problem: I am trying to project a map containing parcel boundaries (vector) and orthoimagery (raster) to match the projection used by a set of (offline) project plans (...
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1
vote
0
answers
16
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NHD's description of a river differs depending on which state it is in
So I downloaded the NHD shapefiles for both Texas and Arkansas rivers from here:
https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/NHD/State/Shape/
I then pulled the route ...
- 370
2
votes
1
answer
175
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Creating new layer with custom regions from states boundaries in QGIS
I am trying to create a map where I can combine a layer of states boundaries and one other with custom regions (Est/West) on QGIS.
So I have tried it in different ways (union, intersection, merge ...
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9
votes
1
answer
307
views
Why recommended transformation is not the most accurate in QGIS?
When I am prompted for a transformation to use in QGIS, the recommended/default option (in green) is the least accurate one. In my case, QGIS recommends a transformation with an accuracy of 6m when ...
1
vote
0
answers
529
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Does the Census Bureau's geocoding API limit request frequency?
I am trying to batch-geocode about 8 million address records using the Census Bureau's batch geocoder. I am currently doing so sequentially, which takes about a day to complete. I was considering ...
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vote
1
answer
118
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Making map with all 48 contiguous states resized so they each have equal land area using QGIS
How can I make a map in QGIS where I have all 48 contiguous states but they're resized so they each have equal land area?
It's important that I do this without distorting shape, so that they're still ...
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3
votes
1
answer
87
views
Why would the NHD have wrong information / how to correct it?
According to the National Hydrography Dataset, the Blanco River in Texas consists of 108.3km of "artificial paths", 36.677km of it is a perennial river and 2.297km of it is an intermittent ...
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votes
2
answers
66
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Displaying location in ArcMap
I have a CSV file containing a location that I want to display as a point shapefile in ArcMap. The points are listed below. These points were collected 30 years back. I tried displaying using Add XY ...
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0
votes
1
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114
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Creating correct buffers [duplicate]
I'd like to create buffers that have a radius of 100 km around the centroids of US counties. First I have the problem that my shapefile uses a layer CRS in decimal degrees. Furthermore, if I create a ...
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