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adapt building height to ground resolution

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This commit is contained in:
Hannes Janetzek
2013-04-03 14:35:24 +02:00
parent 1d2fea48cc
commit d3c31199f1
2 changed files with 25 additions and 6 deletions
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17
src/org/oscim/renderer/layer/ExtrusionLayer.java
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@@ -58,11 +58,13 @@ public class ExtrusionLayer extends Layer {
private final static int IND_OUTLINE = 3;
public boolean compiled = false;
private final float mGroundResolution;
public ExtrusionLayer(int level) {
public ExtrusionLayer(int level, float groundResolution) {
this.type = Layer.EXTRUSION;
this.level = level;
mGroundResolution = groundResolution;
mVertices = mCurVertices = VertexPool.get();
mIndices = new VertexPoolItem[4];
@@ -89,11 +91,20 @@ public class ExtrusionLayer extends Layer {
if (height == 0)
height = 12 * 100;
// 5 cm steps
float sfactor = (400f / Tile.TILE_SIZE) / 5f;
// 10 cm steps
float sfactor = 1 / 10f;
height *= sfactor;
minHeight *= sfactor;
// match height with ground resultion
// (meter per pixel)
height /= mGroundResolution;
minHeight /= mGroundResolution;
// my preference
height *= 0.85;
minHeight *= 0.85;
int length = 0;
for (int ipos = 0, ppos = 0, n = way.geom.index.length; ipos < n; ipos++, ppos += length) {
length = way.geom.index[ipos];