uint8_t DataMap::add_map(char *source_name, char* target_name, char* scale_string) {
int8_t source_index = get_source_index(source_name);
int8_t target_index = get_target_index(target_name);
int8_t scale_power = get_scale_power(scale_string);
if(source_index < 0 || target_index < 0) {
return 0;
} else {
source_for_target[target_index] = source_index;
EEPROM.write(EEPROM_ADDR_MAP_BEGIN + target_index*2, source_index);
scale_for_target[target_index] = powf(10.0, scale_power);
EEPROM.write(EEPROM_ADDR_MAP_BEGIN + target_index*2 + 1, scale_power);
return 1;
}
}
/*=============================================================================
Function Name : get_cell_index
Description : Calculates index for accessing one-dimensional target arrays
from a float-value point in space, if in the target region.
Inputs : float x, float y, float z
Outputs : int cell_i
Notes : no.
=============================================================================*/
int get_cell_index (double x, double y, double z, int *cell_i) {
int ix, iy, iz;
if (x >= 0.0 && x < target_size_x && y >= 0.0 && y < target_size_y && z >= 0.0 &&
z < target_size_z) {
ix = x / cell_size_x;
iy = y / cell_size_y;
iz = z / cell_size_z;
*cell_i = get_target_index (ix, iy, iz); /* Determine initial cell */
return 1;
}
else {
return 0;
}
}
/**
* Given an index in the columns array, figure out the edge that is
* the exact reverse of this edge --- ONLY WORKS FOR SYMMETRIC GRAPHS!
* @param[in] target_index Index of the target that we want to reverse.
* @return The reverse edge index if it exits.
*/
int get_reverse_target_index (const int& target_index) const {
VertexPairType edge_pair = get_edge (target_index);
return get_target_index (edge_pair.second, edge_pair.first);
}
/**
* Get the value at which this current edge is found. SORTING COMPULSORY.
*/
double get_weight (int source, int target) const {
const int index = get_target_index(source,target);
return (0>index) ? 0.0 : weights [index];
}