examples/csound_floss_manual/01-GS-10-c.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "bulgarian-ready",
   "metadata": {},
   "outputs": [],
   "source": [
    "import draw2Svg as dw"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "running-symposium",
   "metadata": {},
   "outputs": [
    {
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      "text/plain": [
       "<draw2Svg.drawing.Drawing at 0x7f2ab6b62dc0>"
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     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "w,h = 1000,400\n",
    "d = dw.Drawing(w,h)\n",
    "\n",
    "xnum = 48 # posts (= one more than divisions)\n",
    "ynum = 8\n",
    "mleft = 30\n",
    "mright = 30\n",
    "mtop = 30\n",
    "mbot = 25\n",
    "xsize = w-mleft-mright\n",
    "ysize = h-mtop-mbot\n",
    "xunit = xsize / (xnum-1)\n",
    "yunit = ysize / (ynum-1)\n",
    "\n",
    "exec(open('../../lib/draw2Svg_funs.py').read())\n",
    "\n",
    "def xgrid(inval):\n",
    "    \"\"\"for xnum=4, inval is from 0 (left) to 3 (right)\n",
    "    as range to write\"\"\"\n",
    "    return scale(inval,0,xnum-1,mleft,mleft+xsize)\n",
    "\n",
    "def ygrid(inval):\n",
    "    \"\"\"for num=11, inval is from 0 (top) to 10 (bottom)\n",
    "    as range to write\"\"\"\n",
    "    return scale(inval,0,ynum-1,mtop,mtop+ysize)\n",
    "\n",
    "def trishape(x,y,leng,height,c='black',f='none',**args):\n",
    "    \"\"\"triangular shape for a percussive tone.\n",
    "    x,y is the middle of the left vertical line\"\"\"\n",
    "    lines(x,y,x,y-height/2,x+leng,y,x,y+height/2,c=c,f=f,close=True,**args)\n",
    "\n",
    "# values from the csound performance \n",
    "starts = [0.00, 2.00, 4.41, 7.94, 13.07, 15.64, 19.05, 21.82, 24.54, 26.47, 28.00, 29.19, 30.89, 32.85, 34.45, 36.47, 38.06, 38.94, 39.42, 39.99, 40.54, 40.93, 41.44, 41.77, 42.21, 42.56, 42.82, 43.09, 43.33, 43.54, 43.69, 43.87, 44.07, 44.33, 44.54, 44.66, 44.73, 44.81, 44.87, 44.95, 45.02, 45.08, 45.12, 45.18, 45.24, 45.28, 45.32, 45.35, 45.38, 45.42]\n",
    "durs = [2.00, 2.41, 3.53, 5.13, 2.57, 3.41, 2.77, 2.71, 1.94, 1.53, 1.19, 1.71, 1.96, 1.59, 2.03, 1.59, 0.87, 0.48, 0.57, 0.55, 0.40, 0.50, 0.34, 0.44, 0.35, 0.26, 0.27, 0.24, 0.21, 0.15, 0.18, 0.19, 0.26, 0.21, 0.12, 0.07, 0.08, 0.06, 0.08, 0.07, 0.06, 0.05, 0.06, 0.06, 0.04, 0.03, 0.04, 0.03, 0.04, 0.02]\n",
    "pchs = [71.00, 71.36, 70.56, 69.87, 69.86, 69.47, 69.14, 68.50, 67.92, 67.61, 66.69, 67.05, 67.52, 67.87, 66.95, 67.26, 68.06, 68.97, 68.68, 68.95, 68.71, 68.07, 67.74, 67.19, 66.58, 67.24, 67.79, 68.10, 67.77, 67.93, 68.11, 68.98, 68.84, 68.92, 68.56, 67.88, 68.21, 68.21, 68.46, 67.65, 67.30, 67.74, 67.47, 66.98, 67.26, 66.68, 65.74, 66.51, 67.32, 67.21]\n",
    "dbs = [-20, -17, -15, -17, -14, -12, -12, -10, -12, -12, -12, -11, -11, -10, -9, -9, -10, -10, -11, -9, -6, -25, -23, -22, -21, -18, -18, -18, -18, -18, -21, -18, -18, -20, -17, -18, -16, -16, -16, -14, -12, -13, -12, -15, -14, -12, -15, -13, -13, -14]\n",
    "\n",
    "pchmin = 65 #yrange(7)\n",
    "pchmax = 72 #yrange(0)\n",
    "dbmin = -25\n",
    "dbmax = -6\n",
    "startmax = 46.5\n",
    "fontsiz = 12\n",
    "\n",
    "# axes and ticks\n",
    "lines(xgrid(0),20,xgrid(0),ygrid(7),xgrid(46.5),ygrid(7))\n",
    "ticklen = 7\n",
    "offset = 5\n",
    "for i in range(ynum):\n",
    "    tick(xgrid(0),ygrid(i),-ticklen)\n",
    "    text('%d'%(72-i),xgrid(0)-ticklen-offset,ygrid(i)-2,fontsiz,text_anchor='end',valign='middle')\n",
    "for i in range(xnum-1):\n",
    "    tick(xgrid(i),ygrid(7),ticklen)\n",
    "    if i%5==0: text('%d'%i,xgrid(i),ygrid(7)+ticklen,fontsiz,text_anchor='middle',valign='top')\n",
    "text('pitch (MIDI)',5,15,fontsiz)\n",
    "text('time (s)',xgrid(45.7),ygrid(7)+ticklen,fontsiz,valign='top')\n",
    "\n",
    "# events\n",
    "dbminleng = 5\n",
    "dbmaxleng = 20\n",
    "for i,start in enumerate(starts):\n",
    "    db = dbs[i]\n",
    "    dur = durs[i]\n",
    "    pch = pchs[i]\n",
    "    x = xgrid(start)\n",
    "    y = scale(pch,65,72,ygrid(7),ygrid(0))\n",
    "    leng = dur*xunit\n",
    "    h = scale(db,dbmin,dbmax,dbminleng,dbmaxleng)\n",
    "    trishape(x,y,leng,h)\n",
    "\n",
    "#d.setPixelScale(1.2)\n",
    "d.savePng('01-GS-10-c.png')\n",
    "d"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "criminal-natural",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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