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| 221 | /** calculates the lightResponse based on a value for LRI and the species lightResponseClass.
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221 | /** calculates the lightResponse based on a value for LRI and the species lightResponseClass.
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| 222 | LightResponse is classified from 1 (very shade inolerant) and 5 (very shade tolerant) and interpolated for values between 1 and 5.
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222 | LightResponse is classified from 1 (very shade inolerant) and 5 (very shade tolerant) and interpolated for values between 1 and 5.
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| 223 | Returns a value between 0..1
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223 | Returns a value between 0..1
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| 224 | @sa http://iland.boku.ac.at/allocation#reserve_and_allocation_to_stem_growth */
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224 | @sa http://iland.boku.ac.at/allocation#reserve_and_allocation_to_stem_growth */
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| 225 | double SpeciesSet::lightResponse(const double lightResourceIndex, const double lightResponseClass) |
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| - | 225 | double SpeciesSet::lightResponse(const double lightResourceIndex, const double lightResponseClass) const |
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| 226 | {
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226 | {
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| 227 | double low = mLightResponseIntolerant.calculate(lightResourceIndex); |
227 | double low = mLightResponseIntolerant.calculate(lightResourceIndex); |
| 228 | double high = mLightResponseTolerant.calculate(lightResourceIndex); |
228 | double high = mLightResponseTolerant.calculate(lightResourceIndex); |
| 229 | double result = low + 0.25*(lightResponseClass-1.)*(high-low); |
229 | double result = low + 0.25*(lightResponseClass-1.)*(high-low); |
| 230 | return limit(result, 0., 1.); |
230 | return limit(result, 0., 1.); |