Questions tagged [geotiff-tiff]
Use this tag when referring to georeferenced or ungeoreferenced TIFF (Tagged Image File Format) files.
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3 of 6 1m_DEMs not loading; CRS issue [closed]
I downloaded six adjacent 1m Grayscale DEM from The National Map.
When I load them into QGIS only 3 of the 6 appear as expected, the other three are just gray (no data)
I started a new project in QGIS ...
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How to generate an orthomosaic image from multi-spectral drone captured images [closed]
I have a set of multi-spectral images captured by a drone stored in folder, using file_name we can derive its band and index, for example:
- ('IMG_0298_1.tif', 'Red', 1)
- ('IMG_0298_2.tif', 'Green', ...
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Brightness Differences in DEM TIFF File
I created a DEM file with QGIS. File type TIFF. The files I use as sources are also TIFF. The file, which looks normal in QGIS, looks different when I look at it in other programs. When I open the DEM ...
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How to maintain single band in raster export in QGIS
I'm working with a LiDAR DEM hosted on a server and I want to generate contour lines from it. I'm trying to 'Export -> Save As' to create a GeoTIFF, but the output that's created is a 4 band (RGBA) ...
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Color Bands Not Running From 0 to 255 as Expected in RGB Tiff
There is a Colour Tiff in ArcGIS Pro. This is produced by an extract from a WMS Service of the Ordnance Survey 1:25k Explorer Map: https://ukmapcentre.com/explorer-maps-25000-scale/.
The extract is ...
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Python output GeoTIFF in arcseconds
I have been utilizing code that looks like the following to output GeoTIFFs for some time (rudimentary, but gets the job done):
def output_geotiff(data, outfile):
# Get our dimensions
cols = ...
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130 TIF DEM file (total size 3 GB) become 7.4 GB TIF file after merging. Why?
I combined (Merge) 130 DEM maps via QGIS, taking up 3 GB in total. However, the total size of the combined file was 7.4 GB. I'm new to QGIS. It's only been a few weeks. I don't understand why the file ...
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Working with COG in GDAL
I have worked with GDAL previously and USGS 1/9th arc second data many years ago before I became severely ill and had to give it up. I am now looking at resurrecting what I was doing.
The problem is ...
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Importing GeoTIFFs in GeoServer with Float32 type bands
I have a system where users can import GeoTiff files with float32 type. When importing these files into QGIS, the application automatically applies color enhancements using cumulative count cut with a ...
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How to merge multiple GeoTIFFs into one single GeoTIFF and change the resolution
I'm working on my Bachelor Thesis right now and I have a about 300gb of digital elevation database. This database has a 1m resolution and every single 1x1km square is stored into a single GeoTIFF. Now ...
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Exporting TIFFs in GEE results in skinny vertical line of pixels
I have to do a task that involves exporting TIFFs, but unfortunately no matter what I've tried I just get these tiny files that look like a single, thin strand of black pixels when I put it into QGIS.
...
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TypeError when using QgsRasterFileWriter.writeRaster in PyQGIS
In the QGIS 3.36.1 Python Console, I'm trying to create an output raster so I can write pixel values sampled from another raster.
output_raster_path = r'D:\Output Raster.tif'
output_raster = ...
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Adjust GeoTIFF in QGIS Georeferencer
I have 600 GeoTIFFs, old maps, that are roughly rectified by the map corners. I want to improve them with more GCPs so that the internal scale that differs a bit gets more correct.
Is there a way to ...
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Finding a .mbtiles to bitmap (BMP) converter
I was trying to create this project : https://github.com/middelbh/GPSnavigator/tree/master
and it needs .bmp files of a map to read it by arduino. So which is the best converter to convert .mbtiles to ...
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Creating a single, large mosaic file in S3 from tiles that cannot fit into memory?
I'm trying to form a (very) large mosaic raster from constituent files in S3, and the amount of data is extremely large; I'm not sure on the actual size, but let's say it's really huge, say over a TB. ...