| @@ -271,7 +271,8 @@ |
| public void computeKssValue(double totalcanopycover, double totalgroundcover) { |
| // Kss variables |
| double Kss_Seg_Bunch, Kss_Seg_Sod, Kss_Seg_Shrub, Kss_Seg_Shrub_0, Kss_Seg_Forbs; |
| - double Kss_Average, Kss_Final; |
| + double Kss_Average = 0.0; //If totalcanopycover is 0, then this value will never be changed, but also not used. |
| + double Kss_Final; |
| |
| // 1) |
| // a) CALCULATE KSS FOR EACH VEGETATION COMMUNITY USING TOTAL FOLIAR COVER |
| @@ -312,6 +313,7 @@ |
| Kss_Seg_Shrub_0 = 3.2773975 + 2.5535 * aoa.slopeSteepness - 0.4811 * totalgroundcover; |
| Kss_Seg_Shrub_0 = Math.pow(10, Kss_Seg_Shrub_0); |
| } |
| + |
| if (totalcanopycover > 0 && totalcanopycover < 0.02) { |
| Kss_Average = totalcanopycover / 0.02 * ((aoa.shrubsCanopyCover / totalcanopycover) * Kss_Seg_Shrub |
| + (aoa.sodGrassCanopyCover / totalcanopycover) * Kss_Seg_Sod |
| @@ -319,18 +321,12 @@ |
| + (aoa.forbsCanopyCover / totalcanopycover) * Kss_Seg_Forbs) |
| + (0.02 - totalcanopycover) / 0.02 * Kss_Seg_Shrub_0; |
| } else { |
| - //?? add this or....why is there a test for 0 below, which won't happen |
| - // if this section gets called, even without the new exception.... |
| - // Something is really amiss with the logic of this calculation!! |
| - //?? |
| - |
| - if (totalcanopycover == 0.0) { //Just added this because if totalcanopycover is 0, this section of code will be called before step 3) below and we will NEVER get there. |
| - throw new ArithmeticException("Divide by zero for totalcanopycover value. Cannot continue with Kss_average calculation."); |
| - } |
| - Kss_Average = (aoa.shrubsCanopyCover / totalcanopycover) * Kss_Seg_Shrub |
| - + (aoa.sodGrassCanopyCover / totalcanopycover) * Kss_Seg_Sod |
| - + (aoa.bunchGgrassCanopyCover / totalcanopycover) * Kss_Seg_Bunch |
| - + (aoa.forbsCanopyCover / totalcanopycover) * Kss_Seg_Forbs; |
| + if (totalcanopycover >= 0.02) { |
| + Kss_Average = (aoa.shrubsCanopyCover / totalcanopycover) * Kss_Seg_Shrub |
| + + (aoa.sodGrassCanopyCover / totalcanopycover) * Kss_Seg_Sod |
| + + (aoa.bunchGgrassCanopyCover / totalcanopycover) * Kss_Seg_Bunch |
| + + (aoa.forbsCanopyCover / totalcanopycover) * Kss_Seg_Forbs; |
| + } // Otherwise, see below, if statement in step 3, don't ever use Kss_Average in this case and won't divide anywhere else by totalcanopycover. |
| } |
| |
| // 3) CALCULATE KSS USED FOR RHEM |