/* setting the aggregated attributes */
static void InitShapeAttributes(layerObj* layer, clusterInfo* base)
{
int i;
int* itemindexes = layer->iteminfo;
for (i = 0; i < layer->numitems; i++) {
if (base->shape.numvalues <= i)
break;
if (itemindexes[i] == MSCLUSTER_FEATURECOUNTINDEX) {
if (base->shape.values[i])
msFree(base->shape.values[i]);
base->shape.values[i] = msIntToString(base->numsiblings + 1);
} else if (itemindexes[i] == MSCLUSTER_GROUPINDEX) {
if (base->shape.values[i])
msFree(base->shape.values[i]);
if (base->group)
base->shape.values[i] = msStrdup(base->group);
else
base->shape.values[i] = msStrdup("");
} else if (itemindexes[i] == MSCLUSTER_BASEFIDINDEX) {
if (base->shape.values[i])
msFree(base->shape.values[i]);
base->shape.values[i] = msIntToString(base->shape.index);
} else if (EQUALN(layer->items[i], "Count:", 6)) {
if (base->shape.values[i])
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup("1"); /* initial count */
}
}
}
/* update the shape attributes (aggregate) */
static void UpdateShapeAttributes(layerObj* layer, clusterInfo* base, clusterInfo* current)
{
int i;
int* itemindexes = layer->iteminfo;
for (i = 0; i < layer->numitems; i++) {
if (base->shape.numvalues <= i)
break;
if (itemindexes[i] == MSCLUSTER_FEATURECOUNTINDEX ||
itemindexes[i] == MSCLUSTER_GROUPINDEX)
continue;
if (current->shape.numvalues <= i)
break;
/* setting the base feature index for each cluster member */
if (itemindexes[i] == MSCLUSTER_BASEFIDINDEX) {
msFree(current->shape.values[i]);
current->shape.values[i] = msIntToString(base->shape.index);
}
if (current->shape.values[i]) {
if (EQUALN(layer->items[i], "Min:", 4)) {
if (strcasecmp(base->shape.values[i], current->shape.values[i]) > 0) {
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup(current->shape.values[i]);
}
} else if (EQUALN(layer->items[i], "Max:", 4)) {
if (strcasecmp(base->shape.values[i], current->shape.values[i]) < 0) {
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup(current->shape.values[i]);
}
} else if (EQUALN(layer->items[i], "Sum:", 4)) {
double sum = atof(base->shape.values[i]) + atof(current->shape.values[i]);
msFree(base->shape.values[i]);
base->shape.values[i] = msDoubleToString(sum, MS_FALSE);
} else if (EQUALN(layer->items[i], "Count:", 6)) {
int count = atoi(base->shape.values[i]) + 1;
msFree(base->shape.values[i]);
base->shape.values[i] = msIntToString(count);
}
}
}
}
/* update the shape attributes (aggregate) */
static void UpdateShapeAttributes(layerObj* layer, clusterInfo* base, clusterInfo* current)
{
int i;
int* itemindexes = layer->iteminfo;
for (i = 0; i < layer->numitems; i++) {
if (base->shape.numvalues <= i)
break;
if (itemindexes[i] == MSCLUSTER_FEATURECOUNTINDEX ||
itemindexes[i] == MSCLUSTER_GROUPINDEX)
continue;
if (current->shape.numvalues <= i)
break;
if (current->shape.values[i]) {
if (EQUALN(layer->items[i], "Min:", 4)) {
if (strcasecmp(base->shape.values[i], current->shape.values[i]) > 0) {
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup(current->shape.values[i]);
}
} else if (EQUALN(layer->items[i], "Max:", 4)) {
if (strcasecmp(base->shape.values[i], current->shape.values[i]) < 0) {
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup(current->shape.values[i]);
}
} else if (EQUALN(layer->items[i], "Sum:", 4)) {
double sum = atof(base->shape.values[i]) + atof(current->shape.values[i]);
msFree(base->shape.values[i]);
base->shape.values[i] = msDoubleToString(sum, MS_FALSE);
} else if (EQUALN(layer->items[i], "Count:", 6)) {
int count = atoi(base->shape.values[i]) + 1;
msFree(base->shape.values[i]);
base->shape.values[i] = msIntToString(count);
} else if (!EQUAL(base->shape.values[i], current->shape.values[i])
&& !EQUAL(base->shape.values[i], "")) {
/* clear the value if that doesn't match */
msFree(base->shape.values[i]);
base->shape.values[i] = msStrdup("");
}
}
}
}
