public void heat_map_button_click(int index_selected_heat_map,DateTime from1,DateTime to1)
{
//-- resetting chart series and plotting again..
//plot_new_graph();
//Series series1_heat_map = new Series("My_Series_heat_map");//changed form "My Series"
//chart1.Series.Add(series1_heat_map);
if (chart1.Series.IndexOf(series1_heat_map)!= -1)
{
//chart1.Series.Remove(series1_heat_map);//--Removing the series that already exist...
//chart1.Series.Add(series1_heat_map);
// series1_heat_map.Points.Clear();//--This is for resetting the values ...
// index_series_heat_map = 0;//--Resetting the index...
//series1.Points.Clear();
//chart1.Series.RemoveAt(chart1.Series.IndexOf(series1));
series1_heat_map.Points.Clear();//--We can clear all the poingt over here and add new one later..
index_series_heat_map = 0;//--Resetting the values of the series...
}
//SeriesCount = 1;
//--lest reset soem values..
hist_temp_hum_list.Clear();
//this is going to plot the heat map...
/*Steps:
1.Get the database values..
2.filter those values ..
3.plot those values in the map..
*/
DateTime from = from1;//dtp_From.Value;
DateTime to = to1;/// dtp_To.Value;
//2.database connection ..
if (to > from)
{
// string dir = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
// string connString1 = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + dir + @"\T3000.mdb;Persist Security Info=True";
//sql connection string is this..
// string connString1 = @"Data Source=GREENBIRD;Initial Catalog=db_psychrometric_project;Integrated Security=True";
//--changing all the database to the sqlite database...
string databasePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string databaseFile = databasePath + @"\db_psychrometric_project.s3db";
string connString1 = @"Data Source=" + databaseFile + ";Version=3;";
using (SQLiteConnection connection1 = new SQLiteConnection(connString1))
{
connection1.Open();
//string sql_query = "Select * from tbl_data_stored_temp_hum_one_year WHERE date_current = " + day_list[i] + " , hour_current = " + hour_al[h] + " AND station_name = "+ station_name +" ; ";
//lets pass this string to a query which does the pulling part.
SQLiteDataReader reader1 = null;
SQLiteCommand command1 = new SQLiteCommand("Select * from tbl_historical_data WHERE date_current BETWEEN @date_first AND @date_second AND ID=@id_value", connection1);
command1.Parameters.AddWithValue("@date_first", from);
command1.Parameters.AddWithValue("@date_second", to);
command1.Parameters.AddWithValue("@id_value", index_selected_heat_map);//--This index selected is required to see which location is seleccted
//command1.Parameters.AddWithValue("@station_name", station_name);
reader1 = command1.ExecuteReader();
while (reader1.Read())
{
hist_temp_hum_list.Add(
new data_type_hum_temp
{
temp = double.Parse(reader1["temperature"].ToString()),
hum = double.Parse(reader1["humidity"].ToString())
});
}//close of while loop
// connection1.Close();
}//close of database using statement
}//closing of if statement
else
{
MessageBox.Show(Properties.Resources.Please_select_correct_date_for);
}
//this will only be done when the data is returned
if (hist_temp_hum_list.Count > 0)
{
//MessageBox.Show("value counted " + hist_temp_hum_list.Count);
//after we have the data we do the actual part of heat map plotting...
//setting up maximum and minimum value to use in color value calculation..
ArrayList temporary_val_temp = new ArrayList();
max_value = hist_temp_hum_list[0].temp;
min_value = hist_temp_hum_list[0].temp;
for (int i = 1; i < hist_temp_hum_list.Count; i++)//this is done because we are counting from 1 index no error
{ //as we are comparing the first index value with all the vlues in the index
if (max_value < hist_temp_hum_list[i].temp)
{
max_value = hist_temp_hum_list[i].temp;
}
if (min_value > hist_temp_hum_list[i].temp)
{
min_value = hist_temp_hum_list[i].temp;
}
}
//min_value = hist_temp_hum_list.Min<data_type_hum_temp>().temp;
//MessageBox.Show("max = " + max_value + " ,min = " + min_value);//--printng of min value
//callin gthe method.
//lets increase th performance first... this below code if from plot_by_dbt_hr
//--Lets reset the values first and then re-add the values
//temperature_value.Clear();
//pg_value_from_txtfile.Clear();//--Clearing the part of the series
//string line1;
//string dir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
//string file = dir + @"\t_pg.txt";
//string path1 = file;
//using (StreamReader st = new StreamReader(path1))
//{
// while ((line1 = st.ReadLine()) != null)
// {
// string[] value = line1.Split(',');
// try
// {
// double temp1 = Double.Parse(value[0]);
// double temp2 = Double.Parse(value[1]);
// //now lets add to temperature and pg array..
// temperature_value.Add(temp1);
// pg_value_from_txtfile.Add(temp2);
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.ToString());
// }
// }//close of while
//}//close of using
temperature_value = t;
pg_value_from_txtfile = pg;
//this series is used to add to the
// chart1.Series.Add(series1_heat_map);
for (int i = 0; i < hist_temp_hum_list.Count; i++)
{
plot_by_DBT_HR_heat_map(hist_temp_hum_list[i].temp, hist_temp_hum_list[i].hum / 100);
}
// MessageBox.Show(Properties.Resources.Success_final);
}//close of if
else
{
MessageBox.Show(Properties.Resources.No_data_found_in_database);
}
if (max_value != min_value)
{
marker();
}
else
{
//make indicator for same color
marker_for_same_min_max_value();
}
}
