Merge pull request #12 from karthikmurakonda/testing-kmeans
kmeans implmented for all PMUs
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commit
c3f46cb6a8
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@ -1,3 +1,3 @@
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int *getRandoms(int lower, int upper, int count);
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long double distance(struct Point* A, struct Point* B);
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void Kmeans2(struct data_frame *df);
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bool Kmeans2(struct data_frame *df);
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36268
iPDC/kmeans.txt
36268
iPDC/kmeans.txt
File diff suppressed because it is too large
Load Diff
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@ -13,10 +13,17 @@ struct Point
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long double minDist; // default infinite dist to nearest cluster
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};
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int count = 0;
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struct Point *P;
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struct Kmeans2
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{
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int idcode;
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int count;
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struct Point *P;
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struct Kmeans2 *next;
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};
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long double distance(struct Point* A, struct Point* B)
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struct Kmeans2 *head_of_kmeans2 = NULL;
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long double distance(struct Point *A, struct Point *B)
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{
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return (((A->x - B->x) * (A->x - B->x)) + ((A->y - B->y) * (A->y - B->y)));
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}
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@ -56,14 +63,31 @@ int *getRandoms(int lower, int upper, int count)
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}
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}
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void Kmeans2(struct data_frame *df)
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bool Kmeans2(struct data_frame *df)
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{
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printf("count: %d\n",count);
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if(count==0)
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if (head_of_kmeans2 == NULL)
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{
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P = (struct Point *)malloc(sizeof(struct Point) * 500);
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head_of_kmeans2 = (struct Kmeans2 *)malloc(sizeof(struct Kmeans2));
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head_of_kmeans2->idcode = to_intconvertor(df->idcode);
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head_of_kmeans2->count = 0;
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head_of_kmeans2->next = NULL;
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head_of_kmeans2->P = NULL;
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return true;
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}
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if (count != 500)
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else
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{
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struct Kmeans2 *temp = head_of_kmeans2;
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struct Kmeans2 *previous = NULL;
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while (temp != NULL)
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{
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if (temp->idcode == to_intconvertor(df->idcode))
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{
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printf("count: %d\n",temp->count);
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if (temp->count == 0)
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{
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temp->P = (struct Point *)malloc(sizeof(struct Point) * 500);
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}
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if (temp->count != 500)
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{
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float CURR_FREQ;
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if (df->dpmu[0]->fmt->freq == '0')
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@ -113,11 +137,11 @@ void Kmeans2(struct data_frame *df)
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CURR_vol = decode_ieee_single(s1);
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}
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}
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P[count].x = CURR_FREQ;
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P[count].y = CURR_vol;
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P[count].cluster = -1;
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P[count].minDist = __DBL_MAX__;
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count++;
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temp->P[temp->count].x = CURR_FREQ;
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temp->P[temp->count].y = CURR_vol;
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temp->P[temp->count].cluster = -1;
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temp->P[temp->count].minDist = __DBL_MAX__;
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temp->count++;
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}
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else
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{
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@ -127,8 +151,8 @@ void Kmeans2(struct data_frame *df)
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struct Point *Centroids = (struct Point *)malloc(sizeof(struct Point) * no_of_clusters);
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for (int i = 0; i < no_of_clusters; i++)
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{
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Centroids[i].x = P[c[i]].x;
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Centroids[i].y = P[c[i]].y;
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Centroids[i].x = temp->P[c[i]].x;
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Centroids[i].y = temp->P[c[i]].y;
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Centroids[i].minDist = __DBL_MAX__;
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Centroids[i].cluster = -1;
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}
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@ -141,11 +165,11 @@ void Kmeans2(struct data_frame *df)
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{
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for (int j = 0; j < 500; j++)
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{
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long double dist = distance(&Centroids[i], &P[j]);
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if (P[j].minDist > dist)
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long double dist = distance(&Centroids[i], &temp->P[j]);
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if (temp->P[j].minDist > dist)
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{
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P[j].minDist = dist;
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P[j].cluster = i;
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temp->P[j].minDist = dist;
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temp->P[j].cluster = i;
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}
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}
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}
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@ -163,10 +187,10 @@ void Kmeans2(struct data_frame *df)
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for (int i = 0; i < 500; i++)
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{
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nPoints[P[i].cluster]++;
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Sumx[P[i].cluster] += P[i].x;
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Sumy[P[i].cluster] += P[i].y;
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P[i].minDist = __DBL_MAX__;
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nPoints[temp->P[i].cluster]++;
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Sumx[temp->P[i].cluster] += temp->P[i].x;
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Sumy[temp->P[i].cluster] += temp->P[i].y;
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temp->P[i].minDist = __DBL_MAX__;
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}
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for (int i = 0; i < no_of_clusters; i++)
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@ -179,26 +203,43 @@ void Kmeans2(struct data_frame *df)
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free(Sumx);
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free(Sumy);
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}
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count = 0;
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temp->count = 0;
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FILE *fp;
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fp = fopen("kmeans.txt","a");
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fp = fopen("kmeans.txt", "a");
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for(int i=0;i<500;i++)
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for (int i = 0; i < 500; i++)
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{
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fprintf(fp,"%Lf, %Lf, %d\n",P[i].x,P[i].y,P[i].cluster);
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fprintf(fp, "%Lf, %Lf, %d\n", temp->P[i].x, temp->P[i].y, temp->P[i].cluster);
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}
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fprintf(fp,"\n\n");
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fprintf(fp, "\n\n");
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for(int i=0;i<no_of_clusters;i++)
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for (int i = 0; i < no_of_clusters; i++)
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{
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fprintf(fp,"%d : %Lf, %Lf\n",i,Centroids[i].x,Centroids[i].y);
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fprintf(fp, "%d : %Lf, %Lf\n", i, Centroids[i].x, Centroids[i].y);
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}
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fprintf(fp,"\n\n");
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fprintf(fp, "\n\n");
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fclose(fp);
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free(Centroids);
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free(P);
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free(temp->P);
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}
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return true;
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break;
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}
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previous = temp;
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temp = temp->next;
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}
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if (temp == NULL)
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{
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struct Kmeans2 *bring = (struct Kmeans2 *)malloc(sizeof(struct Kmeans2));
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bring->idcode = to_intconvertor(df->idcode);
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bring->count = 0;
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bring->next = NULL;
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bring->P = NULL;
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previous->next = bring;
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return true;
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}
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}
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}
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@ -1,5 +1,6 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <gtk/gtk.h>
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#include <pthread.h>
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#include "global.h"
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@ -154,7 +155,11 @@ gboolean update_images(gpointer* pars){
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}else if (algorithm==1 && dimmension == 1){
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}else if (algorithm==1 && dimmension == 2){
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Kmeans2(df);
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if(!Kmeans2(df)){
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vis_ptr->last_image = osm_gps_map_image_add(parameters->util_map,lat, lon, parameters->g_red_image);
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}else{
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vis_ptr->last_image = osm_gps_map_image_add(parameters->util_map,lat, lon, parameters->g_green_image);
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}
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}else if (algorithm==2 && dimmension == 0){
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if(!DTWvolDistance(df)){
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vis_ptr->last_image = osm_gps_map_image_add(parameters->util_map,lat, lon, parameters->g_red_image);
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