Questions tagged [file-size]
The amount of storage, either logical or physical, required for a file or dataset.
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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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How to see the size of individual layers in a geopackage
How can we see the disk size of individual layers that are packed together in a geopackage?
I am a big fan of keeping all layers (and their styles) of a QGIS project inside one geopackage only. Its ...
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Reducing DEM raster file sizes in QGIS
How do I reduce the size (or clip to a smaller area) a DEM raster in QGIS using existing tools?
I need smaller files for QGIS project transfer into QField.
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Increased raster file size after clipping and uploading to GCS
I have written a script that access cogs on GCS (google cloud storage), clip it with several vectors I have, and then uploading it back to GCS.
I thought that the clipped image size should be the same/...
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Newly created multipolygon layer fails to save due to large file size
I used the function "Join attributes by location" to join a number of polygon circles (a multipoylgon layer) with the values of the points (multipoint layer) that are "contained" ...
user204024
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Exported QGIS TIFF file is much bigger than inputed, even without edits
In using QGIS I have found that when I export a GeoTIFF it is 4x larger (in storage size) than the original TIFF file that I open in QGIS. What would cause this?
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Changing file size when exporting Layout as PDF using PyQGIS
I have a plugin that exports a pdf of a layout. Up to QGIS 3.18 the file size was typically about 2.7MB, since moving to 3.20.1 it has increased to about 17MB for exactly the same layout and data. I ...
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Divide polygon features to reduce feature size
I am attempting to load FCC Mobile Deployment Form 477 Data into Google BigQuery for analysis and combining with other data I am using. I converted the shapefiles into new-line delimited geojsons ...
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Problem with spatial join of large shapefiles
I want to combine the attributes of five shapefiles into one shapefile using QGIS. Therefore, I used several data processing steps including clipping the five shapefiles to the boundaries of my ...
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Why is an original ArcMap-project twice as big as its copies?
I'm currently working with ArcMap 10.7. Therein, I regularly do File > Save a Copy of an existing ArcMap-project to create a copy for another ArcMap version. However, the file size of the original ...
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Problematic file size after georeferencing in QGIS
I have to georeference a few hundred JPEG maps in QGIS. Each of these maps has an average size of 20 MB. After georeferencing, these maps must be loaded into ArcGIS on another computer, of course ...
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Reducing file size by not storing no-data points
I have to compute sea wave forecast for large period of time. Land information is of no use here.
Is there any file format that allows to not store no-data/fill values for land area to reduce file ...
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GDAL retile to create near-uniform file sizes?
I have a 60Gb raster vegetation dataset. I need to be able to access single pixels relatively quickly. At the moment, I am retiling at a fixed size, and saving those, indexing them in Python, and ...
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Why are Shapefiles limited to 2GB in size? [closed]
I'm hoping somebody can clarify for me why .shp are limited to a 2GB file size? Having read through the ESRI considerations and technical description, I cannot understand why it exists.
Since they ...
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How to prevent gpkg size increase when I delete attributes?
I have a file, polygons.gpkg that I am using in QGIS. Its original file size is 48MB.
When I do nothing except delete a handful of the attribute table's fields, I expect the file size to decrease. ...
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