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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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1answer
18 views

Manipulating Elevation Data from the USGS National Map

I am trying out @tylermorganwall Rayshader R library. Some instructions are given here by tylermw8 to get elevation data from the USGS National Map. I am interested in obtaining data around the ...
4
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1answer
41 views

Using NAVD88 geoid in Northern Canada?

The USGS NED (1-arcsec) dataset is available for the continental US as well as most of Canada. It is based on the NAVD88 vertical datum. I am interested in using the DEM to orthorectify SAR scenes in ...
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1answer
42 views

Locating Basemaps in QGIS?

I've been attempting to download a usable basemap for USGS Topography for quite some time. Going through the USGS procedure to acquire the map has not worked to date. Quickmapservices and Openlayer ...
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0answers
12 views

USGS Landsat image: About pretreatment

According to USGS-Landsat T1 : All Tier 1 Landsat data can be considered radiometrically calibrated and geolocated consistently across the full collection for all the sensors. So my question is, if ...
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3answers
188 views

QGIS 3.2 using a USGS Topo for a basemap

On QGIS 3.2 I add, through the XYZ Tiles tab in the browser, this URL: http://services.arcgisonline.com/ArcGIS/rest/services/USA_Topo_Maps/MapServer/tile/${z}/${y}/${x}.jpg All that is displayed ...
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3answers
150 views

Combine multiple USGS topo quads into a single seamless raster?

I'm quite new to GIS (so please be patient with my incorrect terminology) but I'm teaching myself as much as I can in order to create my own map of the Boundary Waters Canoe Area in northern Minnesota....
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0answers
30 views

Seamless US Topo Rasters with R

I'm attempting to make a seamless raster from US Topo Maps for a large portion of the Western US. I have succeeded in converting the GeoPDFs from The National Map into GeoTIFF format using ...
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2answers
114 views

Remove Image layer from GeoSpatial PDF using ogr2ogr

I'm trying to remove the orthoimage layer from a USGS GeoSpatial pdf 7.5' topo quad. I can query the layer names: ogrinfo NM_Canada_Ojitos_20110201_TM_geo_enabled.pdf -mdd LAYERS Which produces ...
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0answers
55 views

Mis-aligned layer from United States Geological Survey Web Mapping Service (USGS WMS)

I have a layer of impervious surfaces in the contiguous US, provided by the US Geological Survey as a WMS. The CRS is set to EPSG 4326, which is what the metadata says it should be. The entire layer ...
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0answers
49 views

Defining projection for FEWS rainfall data in ArcMap? [closed]

This problem has been tackled here previously (see Manually adding spatial reference information for FEWS rainfall data in ArcMap?) but i couldnt get a solution to my problem from the thread. I am ...
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0answers
784 views

USGS/FGDC SVG geoscience point symbols for use in QGIS

I have over 700 symbols created and tested for use on geological maps, using the USGS symbol documents as a source (https://ngmdb.usgs.gov/fgdc_gds/), converting the original PDF using Inkscape. I am ...
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1answer
256 views

Why my sceneID doesn't work to download in landsat-utils?

I need to download Landsat images automatically in order to do a forest monitory. I'm using package landsat-utils. However, when I set my sceneID from my interest region the code doesn't work as I ...
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1answer
182 views

Displaying USGS DEM as 3D in ArcScene? [closed]

So I am having some issues getting my USGS DEM to display in 3d in ArcScene. I downloaded my DEM (.jpg) and brought it into ArcScene. I clicked properties and base heights and floating on a custom ...
4
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1answer
61 views

How to match two types of data which are in different scale? (elevation and imagery)

My problem is that elevation and imagery data I'm getting from USGS is in different scales and is aligned to different grids. I don't want to match it manually in Photoshop. I bet there is (free) ...
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207 views

What's in the alpha channel in jp2 imagery file downloaded from usgs?

I'd like to know what's in the 4th channel in jp2, imagery files downloaded from USGS. In Photoshop those files open in grayscale mode, so to fix it I change them to multichannel and then RGB. But I ...
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0answers
63 views

strange zoom/pan behavior in QGIS on layers extracted from USGS Geopdf topo

Starting with a USGS geopdf topo 7.5 quad, I extracted the layers to a spatialite database using ogr2ogr: ogr2ogr -a_srs "WGS84" -f sqlite fisher.sqlite UT_Fisher_Towers_20170216_TM_geo.pdf I then ...
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1answer
161 views

Landsat 7 - 8 surface reflectance bands from ESPA (LEDAPS)

I have downloaded some Level 1 and higher level imagery data including surface reflectance as well. I should process these data in Idrisi (Selva) package. The Level 1 images' pixel values are between ...
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0answers
45 views

How to get a change notification from a GeoJSON vector layer using PyQGIS?

I have created a vector layer that uses a protocol for reading a GeoJSON live feed from USGS Earthquake Hazard Program. USGS updates their feeds every five minutes. QGIS updates the vector layer ...
4
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1answer
207 views

USGS Landsat: Use of earth explorer

I am new in the field of geospatial analysis and I'm trying to learn how to process satellites images for remote sensing purposes. I think that my problem is a very basic one. I'm following some ...
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1answer
489 views

Can USGS High Resolution Orthoimagery be viewed online?

I found the USGS EarthExplorer where one can download their High Resolution Orthoimagery. This imagery can also be previewed in the EarthExplorer once a particular tile is found, but I wonder if there ...
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2answers
230 views

Manually adding spatial reference information for FEWS rainfall data using QGIS?

I am trying to match rainfall data from USGS/FEWS to coordinate locations of survey households in Ethiopia, so I will need to be able to project the rainfall data. So far, I downloaded the dekadal RFE ...
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1answer
86 views

How to create a scale from a colored DEM?

I am trying to create a scale from this image image source How would I be able to create a colored scale corresponding to the image height exactly, as I do not have any programs that I can download ...
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0answers
417 views

Downloading MODIS imagery from USGS server extremely slow

I've been using a python script to download multiple MODIS tiles from e4ftl01.cr.usgs.gov. The download speeds are incredibly slow taking about 6.75 minutes to download one 191MB tile. My regular ...
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1answer
514 views

Large Shapefiles in R

I would like to work with the USGS dataset PADUS in R. However the files are huge and I just want to plot out the main state and national forests, parks and protected areas. Does anyone have any ...
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1answer
163 views

QGIS Loading GeoTiff at Origin

I have a GeoTiff that loads incorrectly in QGIS. Instead of displaying the image at the correct coordinates, QGIS positions the raster with its upper left corner at (0,0). This same file loads ...
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2answers
220 views

USGS National Map to ArcGIS

Everything I know about GIS I've learned myself. I wrote a small utility for my non-profit employer that used the USGS 'The National Map's online services to pull a sized image of USGS Topographical ...
4
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1answer
154 views

Why are Landsat 8 files on AWS compressed cf those from USGS?

I want to shift from downloading Landsat8 imagery directly from USGS to the AWS service (https://pages.awscloud.com/public-data-sets-landsat.html). I have some automated processes that are not ...
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0answers
44 views

Getting the elevation of 400 million points in the US, how to get the elevation of these points from a dataset? [closed]

I'm a software engineer working on a game concept that would create the United States in the form of a grid, each grid being 200m x 200m in size with an elevation attached to each corner to create a ...
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2answers
248 views

Where to download QA bands (cfmask bands) for surface reflectance Landsat7

I downloaded scenes from both Landsat 7 & 8 reflectance. However, QA bands are included in Landsat 8 but not 7. I selected "all data" when downloading. Anyone has a clue where the QA bands are for ...
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1answer
91 views

USGS Tree Canopy data download issue

I'm trying to download the USGS NLCD 2011 Tree Canopy data from the National Land Cover Database (http://www.mrlc.gov/nlcd11_data.php), but it's really slow. Does anyone know of an alternative site to ...
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0answers
52 views

Fixed distance buffer version 2.16.1 problems [duplicate]

I am trying to buffer a simple line and the program simply won't complete the process after 10 attempts. I am buffering to 20,000 (I assume it's metres). Anyone had this issue before? My internet is ...
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2answers
62 views

National Map downloading wrong coordinates?

Edit 2 I figured out the problem. The download is a whole panel in the ballpark of 50 miles x 50 miles. The bounding box I requested was about 3x3 miles. My BB is a subset of the whole dataset that ...
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5answers
1k views

Bulk Download App 'Insuficient Previledges'

Ordered Landsat 7 data from USGS and wants to download it using the Bulk Download application. However, i get this error while running the software. I have JRE Installed properly. Does someone knows ...
3
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1answer
408 views

Converting Road Lines to a Binary Raster Image

I got road data from the USGS database and imported it into QGIS. And I want to transform it into a binary raster image that looks like this in QGIS (this is only a processed screen shot but I want ...
3
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1answer
66 views

Except from Hyperion do you know any other hyper-spectral satellites?

There aren't many images for my research area. So I am looking for other hyperspectral satellites. Or maybe another site except USGS? The area is near here "40.223124, 23.031155"
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1answer
276 views

Different band file format when downloading Landsat 8 from earthexplorer

When downloading Landsat 8 OLI/TIRS Land Surface Reflectance from the USGS earthexplorer service, the usual archive has the following files in it : LC82330672013150LGN00_B10.TIF ...
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0answers
100 views

Download USGS satellite images of a city only

I need to download the satellite images of a city for land change detection. Specifically I need to show urbanization trends and predict the future expansion. Now I can't seem to download just the ...
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1answer
675 views

Loading WMS layer from USGS WMS server using Leaflet?

I am trying to load WMS layer using leaflet from USGS WMS server but I am getting an empty image. I have gone through Loading WMS layer from external server in Leaflet? link but it doesn't solve my ...
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0answers
45 views

Does USGS 3DEP data use a hash or checksum?

I'm downloading some USGS 3DEP elevation data, e.g., the file at the following URL: https://www.sciencebase.gov/catalog/item/563afea8e4b0d6133fe7357b The "ID" of this file is given in both the URL ...
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0answers
40 views

Generating URL using USGS Site-Test-Tool to add as Layer in ArcGIS Online?

I am trying to use http://waterservices.usgs.gov/rest/Site-Test-Tool.html to generate a Rest URL to add as a Layer in ArcGIS Online. I generated url (http://waterservices.usgs.gov/nwis/site/?format=...
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0answers
185 views

Loading USGS 1:24,000 quads into Garmin GPS-receiver — how to convert to a kmz Garmin understands?

I have downloaded USGS 1:24,000 topos (the classic one, not the useless US Topo) from the USGS Map Locator & Downloader. How can I load those into my Garmin GPSmap? Following advice at this ...
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1answer
149 views

Seeking symbology (.lyr?) for USGS geologic maps?

I work a lot with USGS geologic maps and always have the same problem. I am able to download the files from the website (in .e00 format), and make a nice shapefiles out of them. My problem is that ...
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1answer
36 views

Mapping WaterML data in cartodb

Has anyone had success in mapping WaterML data in cartodb? (WaterML). I can't get it to work and not sure what I am doing wrong. I also used this tool to generate a REST URL but still couldn't get it ...
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1answer
256 views

Extracting coordinates of a triangulation from DEM data

I'm working on the succinct representation of planar graphs and now I'm trying to obtain some datasets to test my results. I saw that Delaunay triangulations of elevation data can be a good source of ...
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1answer
138 views

Using USGS data in 3ds max/ps/vue etc

I'd like to use USGS data in other software to produce 3d terrains. Ideally I would use IMG format as its most common from what I see. But how can I convert it to a 32 bit exr format for usage as ...
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0answers
175 views

USGS Raster Conversion with GDAL Returns Blank .TIF File

I am new to GIS systems. I installed GDAL to convert .ADF files to .TIF files to obtain image heightmaps. It outputs a GeoTIFF .TFW file that I can't open, and a .TIF file that is blank (all white). ...
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1answer
46 views

Where can I get seamless 500dpi DRGs for Oahu (Honolulu County)?

USGS makes 500dpi DRGs but doesn't seem to offer them for download anywhere. There are several vendors that I can find offering seamless DRGs but only in 250dpi. Where can I find 500dpi seamless DRGs ...
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1answer
939 views

Displaying data from two UTM zones on one map?

With at least some USGS quad maps, maps that overlap into adjacent UTM zones continue to use the same false easting (rather than start at zero in the middle of the map). Is this a required standard ...
2
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2answers
292 views

What CRS is the USGS Global Land Cover Characteristics Data Base?

I have trouble bringing land cover data from the USGS into a "decent" coordinate system. I obtained an .img file of the "Global Land Cover Characteristics Data Base Version 2.0" from http://edc2.usgs....
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1answer
108 views

Calculating ground cover along a path

I'm trying to figure out an efficient way of pulling data about ground cover along a specific path, where I know the starting lat/long and the end lat/long. I've found that the USGS has ground cover ...