Questions tagged [worldview-2]
WorldView-2 is the commercial Earth observation Satellite owned by DigitalGlobe. It provides commercially available panchromatic imagery of .46 m resolution, and eight-band multispectral imagery with 1.84 m resolution.
13
questions
0
votes
1answer
20 views
Georeferencing a raster image in a Mosaic Dataset greyed out in ArcGIS Pro
I have a Worldview 2 product from Digital Globe. To add it to ArcGIS I am first creating a Mosaic Dataset and selecting the Worldview 2 product definition and setting the coordinate system to be the ...
0
votes
0answers
47 views
uint16 to float
I have a WorldView-2 satellite image in uint16 and the (for example) RED band histogram is
ranging from 1 to 3458.
As you can see, most of the values are within ~(130-500) with very few values ...
0
votes
0answers
52 views
Is panchromatic usable for supervised classification schemes in R or QGIS?
I am using Worldview-2 and Worldview-3 panchromatic images from 2019. I am looking at discrete topographical features which are easily delineated as polygon ROIs. However, I only have this ...
0
votes
0answers
66 views
What are the appropriate input/output ranges for WorldView 2 in GRASS i.atcorr module?
Can anyone speak to the appropriate range/datatype of WorldView2 rasters when using the i.atcorr module in GRASS GIS?
I.atcorr requires the input raster be in at-sensor-radiance first, which I have ...
0
votes
0answers
24 views
Worldview-2 imagery coverage
I am attempting to acquire imagery from the Worldview-2 satellite, and finding limited coverage for many areas within the United States. Sometimes, coverage is temporally deep for a time period (say ...
0
votes
1answer
131 views
Pansharpening ALL(8) worldview 3 and worldview 2 bands
Trying to pansharpen all the bands instead of just the R,G,B,NIR bands in worldview-2 and -3 imagery.
ArcGIS Pro only has inputs for those previously mentioned bands in the pansharpening tool. Is ...
0
votes
1answer
178 views
Cloud mask for worldview
I'm using worldview imagery downloaded from gbdx and I want to apply cloud mask for it. It's preferable to use ready-made layer or some python module/tool to create it. The demand for the method ...
0
votes
1answer
135 views
Turn off Radiometric Enhancement ("DRA") when downloading Worldview-2 imagery
I am trying to calculate the TOA reflectance for worldview-2 images, but every time I download the WV-2 8 band imagery from DigitalGlobe, the metadata states that the image has been radiometrically ...
0
votes
1answer
84 views
How do I mosaic several WorldView-2 images into single image in ArcGIS Pro?
I have downloaded multiple WorldView-2 images that were outlined by an AOI, but it is unclear to me if it is possible to combine two overlapping images into a single image for downstream data analysis....
1
vote
1answer
687 views
Wrong extent when importing geotiff into R
I am trying to import a geotiff of 8-band satellite imagery into R using raster.
g <- raster('16SEP22191919-M1BS-057310833010_01_P001.tif' )
When I call the object it displays the extent as the ...
2
votes
0answers
373 views
Download Worldview imagery
Where do I find WorldView satelite imagery that can I download that are hard to find around ?
There are few that I know of are:
EarthExplorer
GLCF
Glovis
6
votes
1answer
898 views
Pan sharpening of SPOT and Landsat images
Is there a way I can pansharpen SPOT and Landsat images? I have Panchromatic bands from QuickBird and WordlView-2 images and would want to pansharpen Landsat and SPOT, while still retaining features ...
3
votes
1answer
1k views
Converting Worldview 2 imagery to TOA reflectance for Vegetation Change detection in ArcGIS?
I am working on a change detection study to look at effects of herbicides on vegetation growth. Therefore I have Worldview 2 (4 band +pan band) imagery for two subsequent years that I would like to ...
