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How to convert raster map to shapefile (raster map boundaries to vector center line shapefile)

How to Convert Raster Maps to Shapefiles A Step by Step Guide Converting raster maps into shapefiles allows for more flexibility in analyzing geographical data

2 min read 21-10-2024 24
How to convert raster map to shapefile (raster map boundaries to vector center line shapefile)
How to convert raster map to shapefile (raster map boundaries to vector center line shapefile)

GDAL: GDALSetRasterNoDataValue and SetNoDataValue give different results

Understanding the Difference Between GDAL Set Raster No Data Value and Set No Data Value Problem You re working with geospatial data using GDAL and are using th

2 min read 05-10-2024 32
GDAL: GDALSetRasterNoDataValue and SetNoDataValue give different results
GDAL: GDALSetRasterNoDataValue and SetNoDataValue give different results

Force gdal.warp to ignore source file no data-values

How to Force gdal warp to Ignore Source File No Data Values When using GDALs gdal warp function to reproject or resample a raster dataset you might encounter si

2 min read 04-10-2024 34
Force gdal.warp to ignore source file no data-values
Force gdal.warp to ignore source file no data-values

Can't fetch tiles from this WMTS service with GDAL WMTS Driver

Troubleshooting WMTS Tile Fetching with GDAL A Step by Step Guide Problem You re attempting to retrieve tiles from a WMTS service using the GDAL WMTS driver but

3 min read 03-10-2024 32
Can't fetch tiles from this WMTS service with GDAL WMTS Driver
Can't fetch tiles from this WMTS service with GDAL WMTS Driver

How to get decimals as values into the result of gdal.Polygonize() function using Python3?

Getting Decimal Values from gdal Polygonize in Python3 When working with geospatial data in Python the gdal Polygonize function is a powerful tool for convertin

3 min read 03-10-2024 29
How to get decimals as values into the result of gdal.Polygonize() function using Python3?
How to get decimals as values into the result of gdal.Polygonize() function using Python3?

Inconsistent Bounding Box and Array Shapes When Querying Tiled Raster Data from PostGIS Using GDAL

Inconsistent Bounding Box and Array Shapes When Querying Tiled Raster Data from Post GIS Using GDAL A Troubleshooting Guide When working with tiled raster data

3 min read 02-10-2024 29
Inconsistent Bounding Box and Array Shapes When Querying Tiled Raster Data from PostGIS Using GDAL
Inconsistent Bounding Box and Array Shapes When Querying Tiled Raster Data from PostGIS Using GDAL

Coordinates of dataframe in a clockwise direction

Navigating Data Frames Extracting Coordinates in a Clockwise Direction Lets say you have a Data Frame representing a grid and you want to access its elements in

2 min read 02-10-2024 30
Coordinates of dataframe in a clockwise direction
Coordinates of dataframe in a clockwise direction

Bulk insert rasters into GPKG

Streamlining Geospatial Data Management Bulk Inserting Rasters into Geopackage Geopackage GPKG has emerged as a popular open source format for storing geospatia

2 min read 01-10-2024 30
Bulk insert rasters into GPKG
Bulk insert rasters into GPKG

How can I save a "names" attribute into a GeoTIFF using `r.out.gdal` in GRASS GIS?

Saving a names Attribute into a Geo TIFF Using r out gdal in GRASS GIS When working with Geographic Information Systems GIS the ability to export raster data wh

3 min read 29-09-2024 36
How can I save a "names" attribute into a GeoTIFF using `r.out.gdal` in GRASS GIS?
How can I save a "names" attribute into a GeoTIFF using `r.out.gdal` in GRASS GIS?