slicearray

slicearray — Take a slice of a vector.

Description

Take a slice of a vector (one-dimensional k-rate array).

Syntax

karray slicearray kinarray, istart, iend

Initialization

istart -- index of the first part of the answer.

iend -- index of the first element of the answer.

Examples

Here is an example of the slicearray opcode. It uses the file slicearray.csd.

Example 887. Example of the slicearray opcode.

See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-n
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1

instr 1

;create and fill an array
kArr[] genarray_i 1, 9

;print the content
        printf  "%s", 1, "kArr = whole array\n"
kndx    =       0
  until kndx == lenarray(kArr) do
        printf  "kArr[%d] = %f\n", kndx+1, kndx, kArr[kndx]
kndx    +=      1
  od

;build new arrays for the slices
kArr1[] init    5
kArr2[] init    4

;put in first five and last four elements
kArr1   slicearray kArr, 0, 4
kArr2   slicearray kArr, 5, 8

;print the content
        printf  "%s", 1, "\nkArr1 = slice from index 0 to index 4\n"
kndx    =       0
  until kndx == lenarray(kArr1) do
        printf  "kArr1[%d] = %f\n", kndx+1, kndx, kArr1[kndx]
kndx    +=      1
  od
        printf  "%s", 1, "\nkArr2 = slice from index 5 to index 8\n"
kndx    =       0
  until kndx == lenarray(kArr2) do
        printf  "kArr2[%d] = %f\n", kndx+1, kndx, kArr2[kndx]
kndx    +=      1
  od

        turnoff
endin


</CsInstruments>
<CsScore>
i 1 0 1
</CsScore>
</CsoundSynthesizer>


See Also

Vectorial opcodes

Credits

Author: John ffitch
Codemist Ltd
2013

New in version 6.00