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min=data[0][0];
max=data[0][0];
k=0;
//on recupere le min et le max de data
for (i=0;i<nblig;i++)
{
for (j=0;j<nbcol;j++)
{
if (data[i][j]<min) min=data[i][j];
if (data[i][j]>max) max=data[i][j];
}
}
printf("min : %g - max : %g\n",min,max);
//indexation
for (i=0;i<nblig;i++)
{
for (j=0;j<nbcol;j++)
{
data[i][j]=data[i][j]-min;
data[i][j]=floor((255*data[i][j])/max);
data_ind[i][j]=(unsigned char)(data[i][j]);
}
}
//controle du min et max de l'index
min_ind=data_ind[0][0];
max_ind=data_ind[0][0];
for (i=0;i<nblig;i++)
{
for (j=0;j<nbcol;j++)
{
if (data_ind[i][j]<min_ind) min_ind=data_ind[i][j];
if (data_ind[i][j]>max_ind) max_ind=data_ind[i][j];
}
}
printf("min_ind : %g - max_ind : %g\n",min_ind,max_ind); |
