Usage: gdal raster contour [OPTIONS] <INPUT> <OUTPUT>
Creates a vector contour from a raster elevation model (DEM).
Positional arguments:
  -i, --input <INPUT>                                  Input raster datasets [required] [not available in pipelines]
  -o, --output <OUTPUT>                                Output vector dataset [required] [not available in pipelines]
Common Options:
  -h, --help                                           Display help message and exit
  --json-usage                                         Display usage as JSON document and exit
  --config <KEY>=<VALUE>                               Configuration option [may be repeated]
  -q, --quiet                                          Quiet mode (no progress bar or warning message) [not available in pipelines]
Options:
  -f, --of, --format, --output-format <OUTPUT-FORMAT>  Output format ("GDALG" allowed) [not available in pipelines]
  --co, --creation-option <KEY>=<VALUE>                Creation option [may be repeated] [not available in pipelines]
  --lco, --layer-creation-option <KEY>=<VALUE>         Layer creation option [may be repeated] [not available in pipelines]
  --overwrite                                          Whether overwriting existing output dataset is allowed [not available in pipelines]
  --output-layer <OUTPUT-LAYER>                        Output layer name
  -b, --band <BAND>                                    Input band (1-based index) (default: 1)
  --elevation-name <ELEVATION-NAME>                    Name of the elevation field
  --min-name <MIN-NAME>                                Name of the minimum elevation field
  --max-name <MAX-NAME>                                Name of the maximum elevation field
  --3d                                                 Force production of 3D vectors instead of 2D
  --input-nodata <INPUT-NODATA>                        Input pixel value to treat as 'nodata'
  --interval <INTERVAL>                                Elevation interval between contours
                                                       Mutually exclusive with --levels, --exp-base
  --levels <LEVELS>                                    List of contour levels [may be repeated]
                                                       Mutually exclusive with --interval, --exp-base
  -e, --exp-base <EXP-BASE>                            Base for exponential contour level generation
                                                       Mutually exclusive with --interval, --levels
  --off, --offset <OFFSET>                             Offset to apply to contour levels
  -p, --polygonize                                     Create polygons instead of lines
  --group-transactions <GROUP-TRANSACTIONS>            Group n features per transaction (default 100 000)
Advanced Options:
  --if, --input-format <INPUT-FORMAT>                  Input formats [may be repeated] [not available in pipelines]
  --oo, --open-option <KEY>=<VALUE>                    Open options [may be repeated] [not available in pipelines]
  --output-oo, --output-open-option <KEY>=<VALUE>      Output open options [may be repeated] [not available in pipelines]

با این حال، این الگوریتم به صورت بومی با پردازش جریانی سازگار نیست. در نتیجه یک مجموعه‌داده موقت در حافظه ایجاد خواهد شد که ممکن است باعث صرف زمان پردازش قابل‌توجهی در هنگام باز کردن شود.