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Questions tagged [usgs]

United States Geological Survey, government agency overseeing study and mapping of earth and life sciences.

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USGS slope less than 30° excluding water bodies (Earth Engine)

My goal is to get the land with less than 30deg of slope and exclude water bodies. The USGS/3DEP/10m dataset in Earth Engine produces a slope of 0 for water bodies (e.g. lakes, or ponds). I'm curious ...
bernatfortet's user avatar
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0 answers
9 views

Installation error in DSAS v4.2_2 version compatible with ArcMap 10.3

DSASv4.2_2 version: In the process of installing the DSAS 4.2 software, during installation the following error occurs: Unable to get installer types in the Files Shoreline Analysis System\DSAS.dll ...
Sanidhya's user avatar
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0 answers
48 views

How to search Landsat data using USGS M2M on Python based on row and path instead of a polygon area

I want to search for Landsat images via M2M API from USGS and its documentation can be found at the following link: https://m2m.cr.usgs.gov/api/docs/json/. The entire tutorial I follow can be found ...
Ilias Machairas's user avatar
1 vote
1 answer
54 views

How to download Landsat 8/9 images via eodag Python package - UnsupportedProvider

I want to automate the process of downloading Landsat 8/9 images via python. What I want to download is zip files with all bands (not some bands seperately). I have checked similar questions in GIS ...
Ilias Machairas's user avatar
1 vote
0 answers
72 views

How to extract layers from a mpkx file?

I would like to use the World Terrestrial Ecosystems data published by the USGS. It is made available in the form of a compressed file in the mpkx format. I expect this file to contain one or more ...
Luís de Sousa's user avatar
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1 answer
87 views

Querying the USGS National Map from R

I'm trying to download watershed boundary dataset geometries from the USGS National Map. Right now, I'm just trying to download 2 digit HU layers. You can see what I'm looking for here and here is a ...
setty's user avatar
  • 101
3 votes
1 answer
156 views

How to authenticate to download images from https://landsatlook.usgs.gov/stac-server

I am building a QGIS plugin in Python to fetch Landsat images from this STAC server: https://landsatlook.usgs.gov/stac-server I need to be able to download the thumbnails, but cannot find how to ...
staf's user avatar
  • 326
1 vote
3 answers
342 views

Is there a way to view USGS 3DEP WMS(?) maps in Osmand, which uses TMS(?) format?

I'm very unclear on all of these acronyms. All I know is that USGS 3DEP LiDAR maps are very useful for seeing cliffs for climbing, and Osmand is very useful for offline navigation, but I can't figure ...
endolith's user avatar
  • 178
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1 answer
82 views

PDAL readers.ept fails to save LAS file

I am attempting to access the USGS 3DEP LiDAR Point Clouds - Registry of Open Data on AWS via the EPT PDAL reader in Python. I normally work with Python notation, so my code looks like this: extent = ...
Vicent-Ribas's user avatar
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Computing normals option not working using CloudCompare GUI

I am trying to compute normals for a pointcloud I had cropped from a USGS lidar map. It is a .las file, but it might be missing some header values, but it does get imported into Cloud compare without ...
Tarun Srinivasan's user avatar
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1 answer
388 views

Downsample pointclouds from USGS (.LAZ) files in Python

I am trying to process pointclouds from USGS for a project and I am having a hard time working with the data (.LAZ files) because they are very large. They have around 36 million points. I tried ...
Tarun Srinivasan's user avatar
1 vote
0 answers
199 views

How to clip USGS LiDAR data and polygon files

Am kind of new to the whole Geo Info systems, I am trying to clip USGS lidar data which is (.laz) format using polygons in a (.shp) file. I am using Python 3.10: with packages laspy, geopandas. I use ...
Tarun Srinivasan's user avatar
0 votes
0 answers
100 views

USGS Nationalmap API giving error for certain bbox and polygons

I am using USGS national map API (https://tnmaccess.nationalmap.gov/api/v1/products) to search for Lidar data. But for certain bbox and polygon this API is giving me error. Example: https://tnmaccess....
Atur's user avatar
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-1 votes
1 answer
180 views

Negative elevation results from USGS 1 meter DEM [closed]

The USGS 1 meter Digital Elevation Model will return negative elevations. The elevations are based off NAVD88. The negative elevations appear to be near/over water along coastal areas. This DEM is ...
AndrewL's user avatar
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0 answers
262 views

Importing DEM into Microstation

Using QGIS version 3.28.2-Firenze. I have a DEM obtained from USGS (EPSG:2927 - NAD83(HARN) / Washington South (ftUS)) which aligns correctly horizontally and vertically when I overlay on top of OSM ...
Michael Leonard's user avatar
0 votes
1 answer
237 views

Different spatial coverage in scenes downloaded from USGS LANDSAT data

I am using M2M Python API to download scenes of Landsat 8 data for North America region, as shown in the code snippet below. datasetName = "landsat_band_files_c2_l1" spatialFilter = {'...
Roma Jain's user avatar
0 votes
1 answer
175 views

Wanted: The Very Topographic Map WITH Building Footprints The National Map Viewer Displays as Default

I have been trying for 5 solid days to acquire building footprints from USGS topographic maps THAT I KNOW EXIST: I can SEE them on the very topo map which is displayed BY DEFAULT at The National Map ...
quagmire's user avatar
  • 231
2 votes
2 answers
395 views

Importing DEM ArcGIS REST Servers and Hillshade using QGIS

I'm brand new to GIS and just discovered QGIS. I've been trying to import either DEMs or LIDAR of my area from the following link: https://basemap.nationalmap.gov/arcgis/rest/services/...
Charles Leo's user avatar
1 vote
1 answer
694 views

Python library for downloading L8-9 data from USGS EarthExplorer

A couple of years ago I used to work with Landsat-8 data. I was using kapadia/usgs or yannforget/landsatxplore librairies to download data programmatically from USGS EarthExplorer. Now I need to ...
tvoirand's user avatar
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126 views

Getting blurred image after extracting AOI through shapefile from USGS data

I intended to generate DEM of required location using ArcGIS Pro. Using USGS Earth Explorer, I downloaded the SRTM DEM as a .tiff file for a huge block of area which consists my desired area in it. ...
Kaushik Vezzu's user avatar
3 votes
1 answer
251 views

Properly closing GeoPackage after opening by OGR so as to delete it later

I am creating a program that downloads a GeoPackage from online, opens it, makes a copy of the first layer as a shapefile, and then (hopefully) deletes the GeoPackage. However, I'm not able to delete ...
ENIAC-6's user avatar
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1 vote
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USGS Multiple Dates listed and I want to know what they mean

I want to take a look at a piece of land over time and evaluate the change in topography over time. I am using USGS to download some data and I realized they give you a list of dates that correspond ...
Sara's user avatar
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3 votes
2 answers
1k views

Accessing USGS Map Tiles

I'm developing a Windows desktop app that uses map tile servers to display a scrollable map. It currently supports OpenStreetMap, OpenTopoMap and Bing Maps. I'm looking to see if there is a service ...
Mark Olbert's user avatar
0 votes
1 answer
235 views

Loading data from USGS National Map server in ArcMap

How can I add data from the USGS National Map server to ArcMap? Specific goal is to load data and processed products like 3DEP hillshades from the TNM Download without having to download it locally, ...
a11's user avatar
  • 950
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0 answers
298 views

When exporting Map Service layer of USGS topo maps as a GeoTIFF the resolution is always fuzzy. How can I get a better image?

Using QGIS. When I increase DPI the export times out. Image must be Georeferenced because I am bringing it into CAD with other data on State Plane coord. The individual 7.5" Quad JPEGS from the ...
JLG's user avatar
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0 answers
56 views

How feasible is it to scan CORONA satellite imagery in the National Archives?

I'm building a dataset of several hundred historical CORONA satellite images for a research project. I know that one can request these images from the US Geological Survey, but new scans cost $30 ...
user1880610's user avatar
5 votes
1 answer
373 views

QGIS slope output problems

I've been trying to calculate slope in percentage for a project I'm working on but keep running into this issue Whenever I calculate slope using the designated Slope tool or the r.slope.aspect tool I ...
obrunt's user avatar
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1 answer
158 views

Proj4 string for USGS Bulletin 1532

I'm using an application that uses equations from USGS Bulletin 1532 (see source code - line 295: http://docs.ros.org/en/kinetic/api/robot_localization/html/api/navsat__conversions_8h_source.html#...
Samuel's user avatar
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2 votes
0 answers
64 views

Indexing USGS Landsat Collection 2 data in Open Data Cube [duplicate]

The USGS Landsat Collection 2 data has been released for a while and there's no clear way to index it into the Open Data Cube. Is there a prepare script or some other method that can be used to index ...
Cormogolov's user avatar
1 vote
0 answers
673 views

Merging LiDAR files using R [closed]

I am downloading LiDAR files (.laz) from https://apps.nationalmap.gov/downloader/#/. How can I merge multiple files together using R? Note that this related to Merging multiple LiDAR (.las) files ...
bill999's user avatar
  • 125
3 votes
1 answer
744 views

Projection of aerial image using QGIS

I am having a very hard time with a USGS Declass3 image (D3C1210-200272A025). I have already tried different projections, unfortunately without success. For sure, the problem is me, but I don't know ...
Ses's user avatar
  • 31
1 vote
2 answers
836 views

In Earth Engine, when exporting to drive the raster is shifted

The Problem: Two identical Landsat scenes were downloaded from two different sources. USGS Earth Explorer and Google Earth Engine. Although both of the scenes are in the exact same coordinate system (...
Yousif Almamalachy's user avatar
0 votes
1 answer
714 views

Is it correct to use a 1/3 arc-second DEM to make a 2 ft contour shapefile?

I need 2ft contours for all of Puerto Rico. I have downloaded 1/3 arc-second DEM on the island from the USGS. Would it even be accurate I if I just made these in ArcGIS Pro? All alternatives and ...
OBMGIS's user avatar
  • 11
2 votes
1 answer
2k views

GeoTIFF height map banding/terracing

I'm getting pretty bad banding, terracing, low resolution appearance when importing height maps to QGIS. I've searched the forums and haven't found a solution to this. Attached are the original USGS (...
Pledwards's user avatar
3 votes
1 answer
639 views

Google Earth Engine - USGS Landsat 8 Level 2, Collection 2, Tier 1 metadata, should it differ from USGS guide?

I have been using "USGS Landsat 8 Level 2, Collection 2, Tier 1" and it's 'ST_ARAN' band and getting unexpected results. On the GEE docs (https://developers.google.com/earth-engine/datasets/...
svollowork's user avatar
0 votes
1 answer
276 views

USGS Bulk Downloader 'No JVM could be found on your system'

I installed Java JRE 10 and the bulk downloader successfully but when I run the bulk downloads application it's popping up with the error message
S.Ora's user avatar
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1 vote
1 answer
558 views

Landsat collection 2 level 1

I am working on NDWI and MNDWI indices using Landsat 5,7 and 8 to identify permanent water bodies in two images by mosaicing them. When using Landsat collection 1 data I have performed atmospheric and ...
newbie10's user avatar
0 votes
0 answers
89 views

Landsat 5 missing archives in Africa

I am trying to download Landsat 5 tile on USGS explorer from the Landsat Collection 1 and Landsat Collection 2 dataset in order to do temporal analysis. However, in Africa, I can only retrieve a few ...
PlanetParty123's user avatar
0 votes
4 answers
1k views

USGS Bulk Downloader cannot locate install4j

Trying to run the the USGS' Bulk Download Application (https://www.usgs.gov/media/images/earthexplorer-bulk-download-application-bda) and keep getting an error message that it could not find the JRE. ...
fargreenhills's user avatar
3 votes
2 answers
663 views

Indexing USGS Landsat Collection 2 Level 2 datasets into Open Data Cube

I'm trying to ingest data using Landsat 8 Collection 2 Level 2 data into the Open Data Cube, but I couldn't find any examples for data preparation. How do I index USGS Landsat Collection 2 datasets ...
Zorro's user avatar
  • 41
0 votes
0 answers
125 views

Pdal and Earth Curvature/which EPSG

I am attempting to combine Lidar data that we capture using a scanner (which is real-world accurate) and USGS Lidar data. I am currently using Pdal and Entwine to download and reproject the section of ...
EFX's user avatar
  • 1
2 votes
1 answer
888 views

Failing to download SRTM data from USGS

I was used to download SRTM/DEM data from the following link: https://dds.cr.usgs.gov/srtm/version2_1/SRTM3/ But I'm not being able to download anymore, I don't know the exact causes of that, it was ...
Antonio Marques's user avatar
1 vote
1 answer
59 views

Massachusetts Woodland Shapefile / GDB Not Rendering Correctly QGIS

I am working on a personal project that utilizes USGS Land Cover Woodland data sets and I seem to have an issue in QGIS where part of the state of Massachusetts is missing / not rendering correctly. ...
Devin Watson's user avatar
1 vote
1 answer
456 views

USGS topo symbols for light-duty and unimproved roads

Mapping in QGIS 3.14, I want to use the same symbol as the local historical USGS 24K quads use for unimproved road and light-duty road. An example can be seen here (the black continuous road and the ...
Dick Rawson's user avatar
2 votes
3 answers
401 views

Range of numbers for Township and Range

I am creating a GUI for input of PLSS data (Township, Range, Section). There will be 5 pull down or spinner components: Township, North/South, Range, East/West, Section The North/South component will ...
Al Lelopath's user avatar
1 vote
2 answers
1k views

Extract USGS satellite image inside a given bounding box

I'm using USGS explorer to extract satellite image. What I want is that given a bounding box, I want to extract satellite image inside the box (see the image attached). I don't want the blur satellite ...
lenhhoxung's user avatar
1 vote
1 answer
318 views

How to index USGS ARD Satellite Data into an Open Data Cube?

I am trying to index a Landsat8-Satellite-Dataset from Massachusetts in the USA. I downloaded the dataset from USGS. Below my question you can find the datacube-metadata.yaml-File. It is surface ...
user avatar
2 votes
1 answer
407 views

Why is there no XML-File with metadata when I download Landsat 8 data on USGS?

I am trying to create a Data Cube with Open Data Cube for my Bachelor's Thesis. In the Python-Files from Open Data Cube to prepare the data for indexing there is a XML-File with metadata needed: https:...
Luisa Keller's user avatar
0 votes
0 answers
120 views

Elevation obtained from USGS DEM is different from Lidar elevation

For a project I'm working on I need to calculate height of objects for which I know their spatial 2D coordinates (e.g. buildings). I'm using Lidar data to extract the highest Z value for an object, ...
amitr's user avatar
  • 151
0 votes
1 answer
112 views

Seeking Sentinel L1C images (.SAFE) from 2015-2019 since no longer available on Copernicus Open Access Hub

I am looking for Sentinel images from before 2019 in L1C quality and .SAFE format, as I want to correct them with sen2cor in SNAP to convert them to L2A quality. Where can I find them now that they ...
Maarten Meijer's user avatar