Questions tagged [digitalglobe]

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Gdalwarp orthorectification WorldView-3 not using RPC projection properly

I have a high-resolution WorldView-3 image that I am trying to orthorectify using gdalwarp -rpc -to "RPC_DEM=dem.tif" input.tif output.tif However the output is not aligned with Bing or Google maps ...
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40 views

Understanding Digital Globe imagery? [closed]

How can we programmatically find GeoTiffs that correspond to same geographical area in pre event and post event capture in Digital Globe or is there meta information available about the images which ...
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22 views

How to open G.L.O.B.E. DEM files from NOAA

I need to open a free GLOBE DEM. I have downloaded some tiles from: https://www.ngdc.noaa.gov/mgg/topo/gltiles.html, but I don't know which software should I use in order to open those files. Is ...
2
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0answers
261 views

Dealing with Very Large Satellite Imagery

I'm curious if anyone has suggestions for viewing and processing really large imagery. I'm pretty experienced with desktop apps like ENVI and am comfortable with python and GDAL but I'm analyzing ...
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0answers
213 views

Digital Globe WMTS won't work in MapInfo 12.0

Digital Globe recently provide API and WMTS service to the public. I follow the instruction in the https://mapsapi.digitalglobe.com/ and get the token here https://mapsapi.digitalglobe.com/account ...
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0answers
25 views

Ingest 8-band satellite imagery into an array in C?

I’ve been unable to locate a lightweight library implemented in C to ingest 8-band geotiff files. GDAL can do this easily in python, though I’ve been unable to get the GDAL C libraries working; I’ve ...
3
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2answers
634 views

Google Earth historical imagery overlayed

Over the weekend something appears to have changed with the way Google Earth's historical imagery is displayed. Previously if I set the slider to e.g. 1970 then most of the map would be blurry brown ...
5
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1answer
2k views

Viewing Google Earth imagery dates?

I am trying to get an idea of the average most recent imagery dates of Madagascar in Google Earth. Rather than zooming in and looking at the lower corner for the imagery date, what is the best way to ...
2
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1answer
487 views

WorldView 3 level OR2a processing - do I have data as DNs?

I have a World View 3 image which is level Ortho Ready Standard Imagery (OR2A) processed and I wish to ascertain what this processing level means. I need to work on surface reflectance and am aware ...
1
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1answer
643 views

Aquisition date of digital globe imagery, Image Metadata File

It might sound strange but I can't seem to find the acquisition date of images I acquired from digital globe. In the metadata file I only find the date the images were sent to me. I am using QGIS. ...
3
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1answer
575 views

Is there a way to check and repair a GeoPackage GPkg file?

I have downloaded imagery in GeoPackage format from My DigitalGlobe EV which is used offline on a non-internet connected system. However the GPkg seems to be non-standard. I'm trying to load the GPkg ...
3
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3answers
1k views

Atmospheric correction for pansharpened imagery? [closed]

In converting DN values to radiance as well as reflectance, do we use the same equations in raw satellite imagery for pansharpened products? I saw this DigitalGlobe technical note for DN to radiance ...
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0answers
243 views

Hosting DigitalGlobe stereo imagery on GeoServer? [closed]

I have a pretty fresh install of the latest Boundless OpenGeo stack (v4.5). I have a requirement to host some stereo satellite imagery. I'm using the sample imagery over China provided by ...
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0answers
363 views

How can I create a GeoServer store from DigitalGlobe Global Basemap tiles?

I have been given data from a DigitalGlobe product called Global Basemap. I've been tasked with getting this data into a form usable by our map server, which is running GeoServer 2.4. The data did ...
1
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1answer
153 views

Band Issues in Quickbird Satellite data

I procure data from DigitalGlobe (Quickbird Satellite data) for different periods hence data having some different band combination. I have attached an example image to show the problem. I am looking ...