Questions tagged [imagery]
Imagery refers to raster based datasets acquired from sensors on satellites or aircraft.
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Comparing COG and other rasters, Do fast 'gets' mean display benefits? only when serving from cloud? or also when on network and local drives too? [closed]
The same image raster in 3 formats, TIF, COG, JP2.
COG have fast GET.
Is the fast 'get' represented in fast display when panning?
Am I supposed to see COG out perform the others when:
if all 3 are on ...
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Histogram matching high-res tiles to satellite image tiles
I have a 3-trillion pixel mosaic TIFF image made from 1-meter NAIP imagery. The NAIP imagery has significantly different values from area to area so seams are quite evident.
I have a sentinel-2 TIFF ...
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Convert .tif to imagery layer
I'm trying to run this notebook in ArcGIS Pro: https://developers.arcgis.com/python/samples/count-cars-in-aerial-imagery-using-deep-learning/#:~:text=imagery%20%3D%20gis.content.search(%22aerial*%22)
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ArcGIS JS API RasterShaderReliefRenderer does not color full range of DEM elevation values
I have a DEM of the state of florida as an ImageService, here. I want to render this DEM using nicer colors than black and white using the ArcGIS JS API. Following the example ImageryTileLayer - ...
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How can I mask values for black outline around imagery using ArcGIS Pro?
I pulled some NAIP imagery off the web. There is a black outline that I am trying to get rid of around each image. I tried to change the symbology to not include the zero values for each band but it ...
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How to download 5000 Cropped Images From GEE with Dynamic Names?
I have a CSV dataset where 5000 sat image data has been given lat, long, path, row, Date, and Landsat Name. I want to filter out images using date, path, row. Cropped out a 27*27 patch centered around ...
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Compressing the 2023 NAIP MrSID file?
Is there a way to losslessly compress a MrSID file? I know that technically this file format is already compressed, but the 2023 NAIP imagery county files are huge because of improved resolution and I'...
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New Zealand satellite imagery Google Earth Engine
I want to create a satellite image for all of New Zealand using 2020 Landsat 8 satellite imagery to then calculate NDVI to export into QGIS. I am wanting to compare to 1990 satellite imagery so want ...
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Using gdal_translate to convert 32-bit raster to byte is black
I have a 32-bit float raster in GRASS. It is a single channel Sentinel 2 raster. I can export to geotiff with r.out.gdal:
g.region rast=orthoimage_red
r.out.gdal input=orthoimage_red output=...
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Equivalent to ArcMap 'viewpoint' in ArcGIS Pro
In ArcMap, there is a 'viewpoint' window which allows the user to choose an overlapping image in a mosaic in order to view ground objects at a different angle. ArcGIS Pro does not appear to have this ...
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CesiumJS: bad imagery quality (resolution) in very close views
My TMS-Layer displayed in my Cesium-App is very unsharp rendered in a close view.
When I zoom out the resolution is perfect.
The resolution in the PNG tiles (Zoom-Level 21) is much higher than ...
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36
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Mosaic dataset offers sensors unavailable in ortho mapping workspace
I am trying to build an orthomosaic with PlanetScope data in ArcGIS Pro. Strangely, it appears that some sensors available under the mosaic workflow are not available for the Ortho Mapping Workspace. ...
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Imagery horizontal accuracy
I am trying to determine if the following meets ASPRS Positional accuracy standards.
3 inch [7.5 cm] GSD = 0.87 foot (27 cm) RMSE x / RMSE y Horizontal Accuracy Class
+/- 2.1 feet [65 cm] at a ...
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Creating polygons of Esri World Imagery Basemap that shows collection date
I'm working with the Esri World Imagery Basemap, and I need to determine the imagery collection date for every portion of my area of interest.
I'm aware that the identify tool displays the collection ...
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WMS satellite imagery: how to set up bbox
I'm trying to retrieve satellite imagery in high resolution of a full country with a WMS API. I need them in HR since I want to perform a segmentation task on them. This is my code:
REQUEST_URL = &...
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