Skip to main content

Questions tagged [geotiff-tiff]

Use this tag when referring to georeferenced or ungeoreferenced TIFF (Tagged Image File Format) files.

0 votes
1 answer
33 views

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 ...
Jacer's user avatar
  • 11
0 votes
0 answers
41 views

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', ...
M. D. P's user avatar
  • 101
1 vote
0 answers
52 views

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 ...
William24's user avatar
0 votes
0 answers
28 views

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) ...
oucil's user avatar
  • 103
0 votes
0 answers
28 views

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 ...
acolls_badger's user avatar
0 votes
1 answer
25 views

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 = ...
Miss_Orchid's user avatar
1 vote
1 answer
442 views

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 ...
William24's user avatar
0 votes
1 answer
51 views

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 ...
FalloutBoy's user avatar
0 votes
0 answers
18 views

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 ...
Vahe Karamyan's user avatar
1 vote
3 answers
94 views

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 ...
Robin's user avatar
  • 21
0 votes
2 answers
20 views

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. ...
justaguywhoneedshelp's user avatar
2 votes
1 answer
81 views

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 = ...
GlenS's user avatar
  • 566
0 votes
0 answers
34 views

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 ...
Mårten Swärd's user avatar
0 votes
0 answers
21 views

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 ...
user243955's user avatar
0 votes
0 answers
46 views

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. ...
Doug MacArthur's user avatar

15 30 50 per page
1
2 3 4 5
151