GO_03.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import cv2\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
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    }
   ],
   "source": [
    "#list[i+1][0],list[i+1][1]\n",
    "def normalize(value,min,max):\n",
    "    normalized=(value-min)/(max-min)\n",
    "    return normalized\n",
    "\n",
    "def dist(a,b):\n",
    "    som=0\n",
    "    if(b):\n",
    "        xdiff=abs(a[0]-b[0])\n",
    "        ydiff=abs(a[1]-b[1])\n",
    "        som=abs(normalize((xdiff+ydiff),5,0))\n",
    "        if(som>100):\n",
    "            som=100\n",
    "    else:\n",
    "        som=0\n",
    "    \n",
    "    return som\n",
    "    \n",
    "def updateGraph():\n",
    "    cv2.rectangle(img,pt1=(0,0),pt2=(1024,768),color=(0,0,0),thickness=-1)\n",
    "    for i in range(len(list)-1): \n",
    "        val0=(255*dist(list[i],list[i+1]))/100\n",
    "        val=val0\n",
    "        val1=(255*dist(list[i],list[i-1]))/100\n",
    "        if(val0>val1):\n",
    "            val=val1\n",
    "        print(val)\n",
    "        cv2.circle(img,(list[i][0],list[i][1]),20,(0,val,val),-1)\n",
    "        cv2.circle(img,(list[i][0],list[i][1]),min_distance,(200,5,30),2)\n",
    "        color=(255,255,255)\n",
    "        drawNum(color,img,str(i) , vc=(list[i][0]-30,list[i][1]-30))\n",
    "        if(list[i+1][0]):\n",
    "            cv2.line(img,pt1=(list[i][0],list[i][1]),pt2=(list[i+1][0],list[i+1][1]),color=(255,255,0),thickness=5)\n",
    "        \n",
    "        \n",
    "def drawNum(chocolor,blank_img,x,vc):\n",
    "    font=cv2.FONT_HERSHEY_COMPLEX\n",
    "    cv2.putText(blank_img,text=x,org=vc,fontFace=font,fontScale=1,color=chocolor\n",
    "    ,thickness=3,lineType=cv2.LINE_AA)\n",
    "    \n",
    "prevpos=(0,0)\n",
    "min_distance=50\n",
    "list = []\n",
    "def draw_circle(event,x,y,flags,param):\n",
    "    global prevpos\n",
    "    if event==cv2.EVENT_LBUTTONDOWN:\n",
    "        #cv2.circle(img,(x,y),20,(0,255,255),-1)\n",
    "        if(prevpos!=(0,0)):\n",
    "            for vc in list:\n",
    "                if(abs(vc[0]-x)<min_distance and abs(vc[1]-y)<min_distance):\n",
    "                    #cv2.circle(img,(vc[0],vc[1]),20,(0,0,0),-1)\n",
    "                    #cv2.line(img,pt1=(vc[0],vc[1]),pt2=(x,y),color=(0,0,0),thickness=5)\n",
    "                    list.remove(vc)\n",
    "            \n",
    "        prevpos=(x,y)\n",
    "        list.append(prevpos)\n",
    "        updateGraph()\n",
    "        cv2.line(img,pt1=prevpos,pt2=(x,y),color=(255,255,0),thickness=5)\n",
    "        cv2.circle(img,prevpos,20,(0,0,255),-1)\n",
    "        cv2.circle(img,prevpos,min_distance,(200,5,30),2)\n",
    "        #print(list)\n",
    "    pass\n",
    "\n",
    "cv2.namedWindow(winname='my_drawing')\n",
    "cv2.setMouseCallback('my_drawing',draw_circle)\n",
    "\n",
    "img=np.zeros((768,1024,3),np.int8)\n",
    "while True:\n",
    "    cv2.imshow('my_drawing',img)\n",
    "    if cv2.waitKey(20) & 0xFF == 27:\n",
    "        break\n",
    "cv2.destroyAllWindows()"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
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   "source": []
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
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