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Carpenter
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Updating interpElevationAt() to utilize the lower points in the interpolation algorithm.
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src/openmap/com/bbn/openmap/dataAccess/dted/DTEDFrame.java

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -230,7 +230,7 @@ public int interpElevationAt(float lat, float lon) {
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int lflon_index = (int) Math.floor(lon_index);
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int lclon_index = (int) Math.ceil(lon_index);
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/* int lflat_index = (int) Math.floor(lat_index); */
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int lflat_index = (int) Math.floor(lat_index);
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int lclat_index = (int) Math.ceil(lat_index);
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if (elevations[lflon_index] == null)
@@ -256,8 +256,8 @@ public int interpElevationAt(float lat, float lon) {
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int ul = elevations[lflon_index][lclat_index];
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int ur = elevations[lclon_index][lclat_index];
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int ll = elevations[lflon_index][lclat_index];
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int lr = elevations[lclon_index][lclat_index];
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int ll = elevations[lflon_index][lflat_index];
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int lr = elevations[lclon_index][lflat_index];
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float answer = resolveFourPoints(ul, ur, lr, ll, lat_index, lon_index);
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return Math.round(answer);

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