diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-02 08:25:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Handle aggregated attributes with no base attribute in the feature

Browse Source
This commit is contained in:
Erica Fischer
2024-09-16 17:03:05 -07:00
parent a2adb60638
commit 27a4f4ecef
2 changed files with 72 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
attribute.cpp
+70 -8
View File
@@ -95,12 +95,12 @@ void preserve_attribute(attribute_op const &op, std::string const &key, serial_v
case op_sum:
full_values[i].s = milo::dtoa_milo(atof(full_values[i].s.c_str()) + atof(val.s.c_str()));
full_values[i].type = mvt_double;
break;
return;
case op_product:
full_values[i].s = milo::dtoa_milo(atof(full_values[i].s.c_str()) * atof(val.s.c_str()));
full_values[i].type = mvt_double;
break;
return;
case op_max: {
double existing = atof(full_values[i].s.c_str());
@@ -109,7 +109,7 @@ void preserve_attribute(attribute_op const &op, std::string const &key, serial_v
full_values[i].s = val.s.c_str();
full_values[i].type = mvt_double;
}
break;
return;
}
case op_min: {
@@ -119,7 +119,7 @@ void preserve_attribute(attribute_op const &op, std::string const &key, serial_v
full_values[i].s = val.s.c_str();
full_values[i].type = mvt_double;
}
break;
return;
}
case op_mean: {
@@ -131,24 +131,26 @@ void preserve_attribute(attribute_op const &op, std::string const &key, serial_v
attribute_accum_state.insert(std::pair<std::string, accum_state>(key, s));
full_values[i].s = milo::dtoa_milo(s.sum / s.count);
full_values[i].type = mvt_double;
} else {
state->second.sum += atof(val.s.c_str());
state->second.count += 1;
full_values[i].s = milo::dtoa_milo(state->second.sum / state->second.count);
full_values[i].type = mvt_double;
}
break;
return;
}
case op_concat:
full_values[i].s += val.s;
full_values[i].type = mvt_string;
break;
return;
case op_comma:
full_values[i].s += std::string(",") + val.s;
full_values[i].type = mvt_string;
break;
return;
case op_count: {
auto state = attribute_accum_state.find(key);
@@ -162,9 +164,69 @@ void preserve_attribute(attribute_op const &op, std::string const &key, serial_v
state->second.count += 1;
full_values[i].s = std::to_string(state->second.count);
}
break;
return;
}
}
}
}
// not found, so we are making a new value
serial_val sv;
switch (op) {
case op_sum:
case op_product:
case op_max:
case op_min:
sv.s = val.s;
sv.type = mvt_double;
break;
case op_mean: {
auto state = attribute_accum_state.find(key);
if (state == attribute_accum_state.end()) {
accum_state s;
s.sum = atof(val.s.c_str());
s.count = 1;
attribute_accum_state.insert(std::pair<std::string, accum_state>(key, s));
sv.s = milo::dtoa_milo(s.sum / s.count);
} else {
state->second.sum += atof(val.s.c_str());
state->second.count += 1;
sv.s = milo::dtoa_milo(state->second.sum / state->second.count);
}
break;
}
case op_concat:
sv.s = val.s;
sv.type = mvt_string;
break;
case op_comma:
sv.s = val.s;
sv.type = mvt_string;
break;
case op_count: {
auto state = attribute_accum_state.find(key);
if (state == attribute_accum_state.end()) { // not already present
accum_state s;
s.count = 1;
attribute_accum_state.insert(std::pair<std::string, accum_state>(key, s));
sv.s = std::to_string(s.count);
} else { // already present, incrementing
state->second.count += 1;
sv.s = std::to_string(state->second.count);
}
sv.type = mvt_double;
break;
}
}
full_keys.push_back(key);
full_values.push_back(sv);
}
tile.cpp
+2
View File
@@ -1454,6 +1454,8 @@ void promote_attribute_prefix(std::string const &key, std::string const &prefixe
return;
}
// it does not exist, so preserve_attribute() will create it
}
// accumulate attribute values from sf onto p