N Down

N-Down

Cut selected pages into n equally sized pages — symmetric tiling for print. The convenience version of Cut.

n	grid	example
2	1x2	A1 → 2×A2
3	1x3
4	2x2	A1 → 4×A3
8	2x4	A1 → 8×A4
9	3x3
12	3x4
16	4x4	A1 → 16×A5

Command line

pdfcpu2 ndown [-p pageSelection] [description] n inFile outDir [outFile]

<description> — optional margin:, bgcol:, border: (glue area for reassembly).

pdfcpu2 ndown 2 in.pdf outDir                 # halve every page
pdfcpu2 ndown 4 in.pdf outDir                 # quarter every page
pdfcpu2 ndown 'margin:1, bgcol:DarkGray, border:on' 4 in.pdf outDir -u cm
cat poster.pdf | pdfcpu2 ndown 4 - /work/tiles

Go API

package main

import (
	"context"

	"github.com/huzpsb/pdfcpu2/pkg/api"
	"github.com/huzpsb/pdfcpu2/pkg/pdfcpu/model"
)

func main() {
	ctx := context.Background()
	conf := model.NewDefaultConfiguration()

	cut := &model.Cut{} // defaults; see model.Cut for margin/color options

	err := api.NDownFile(ctx, "in.pdf", "./tiles", "", nil, 4, cut, conf)
	if err != nil {
		panic(err)
	}
}

Related: Cut (arbitrary cuts), Poster (the inverse — tile a page up).