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--- tutorials:radiation-model-in-crop_model [2025/05/27 15:45] – barley1965
+++ tutorials:radiation-model-in-crop_model [2025/06/03 08:42] (current) – barley1965
@@ Line 1: / Line 1: @@
 ====== Introducing light interception of leaves ======
+//Open the file {{ :tutorials:Light.gsz |Light.gsz}}.// This is a simple model of a plant that will grow (produce new leaves and internodes) and branch, while each leaf intercepts light from a lamp hanging over it.
+One of the first things that come to mind when thinking about plant functions is, of course, photosynthesis. In order for the plant to do photosynthesis, it needs energy, water and CO<sub>2</sub>. Thus, first, some plant parts (normally the leaves), need to intercept and absorb light and transfer part of the energy gained from this process onto specialized molecules. Let us first look at light capture: There are several ways to model this. The nice thing about a 3D model is that we have information about the position of each leaf. We further have information about the position of light sources. To model the light environment in our 3D scene, we first have to create a light source. The following code defines a new lamp:
-Open the file //Light.gsz//. This is a simple model of a plant that will grow (produce new leaves and internodes) and branch, while each leaf intercepts light from a lamp hanging over it.
-One of the first things that come to mind when thinking about plant functions is, of course, photosynthesis. In order for the plant to do photosynthesis, it needs energy, water and CO2. Thus, first, some plant parts (normally the leaves), need to intercept and absorb light and transfer part of the energy gained from this process onto specialized molecules. Let us first look at light capture: There are several ways to model this. The nice thing about a 3D model is that we have information about the position of each leaf. We further have information about the position of light sources. To model the light environment in our 3D scene, we first have to create a light source. The following code defines a new lamp:
 <code java>