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Merge remote-tracking branch 'origin/master' into multilayer

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This commit is contained in:
Eric Fischer
2015-03-25 13:54:29 -07:00
parent 86925eea4c 3d074653b5
commit a076c5619d
3 changed files with 29 additions and 27 deletions
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tile.cc
+27 -25
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@@ -508,11 +508,11 @@ long long write_tile(char **geoms, char *metabase, unsigned *file_bbox, int z, u
continue;
}
if (t == VT_POINT && z < feature_minzoom && gamma == 0) {
if (t == VT_POINT && z < feature_minzoom && gamma < 0) {
continue;
}
if (t == VT_POINT && gamma != 0) {
if (t == VT_POINT && gamma >= 0) {
seq++;
if (seq >= 0) {
seq -= interval;
@@ -520,32 +520,34 @@ long long write_tile(char **geoms, char *metabase, unsigned *file_bbox, int z, u
continue;
}
unsigned long long index = encode(bbox[0] / 2 + bbox[2] / 2, bbox[1] / 2 + bbox[3] / 2);
if (gap > 0) {
if (index == previndex) {
continue; // Exact duplicate: can't fulfil the gap requirement
if (gamma > 0) {
unsigned long long index = encode(bbox[0] / 2 + bbox[2] / 2, bbox[1] / 2 + bbox[3] / 2);
if (gap > 0) {
if (index == previndex) {
continue; // Exact duplicate: can't fulfil the gap requirement
}
if (exp(log((index - previndex) / scale) * gamma) >= gap) {
// Dot is further from the previous than the nth root of the gap,
// so produce it, and choose a new gap at the next point.
gap = 0;
} else {
continue;
}
} else {
gap = (index - previndex) / scale;
if (gap == 0) {
continue; // Exact duplicate: skip
} else if (gap < 1) {
continue; // Narrow dot spacing: need to stretch out
} else {
gap = 0; // Wider spacing than minimum: so pass through unchanged
}
}
if (exp(log((index - previndex) / scale) * gamma) >= gap) {
// Dot is further from the previous than the nth root of the gap,
// so produce it, and choose a new gap at the next point.
gap = 0;
} else {
continue;
}
} else {
gap = (index - previndex) / scale;
if (gap == 0) {
continue; // Exact duplicate: skip
} else if (gap < 1) {
continue; // Narrow dot spacing: need to stretch out
} else {
gap = 0; // Wider spacing than minimum: so pass through unchanged
}
previndex = index;
}
previndex = index;
}
bool reduced = false;