Last Update: Oct 12 2006
SEIB-Viewer provides easy way to show and analyze simulation results of SEIB-DGVM (Station version). SEIB-Viewer is a strong tool for comprehensive understanding what happened in a simulation run.
SEIB-Viewer requires Windows-XP. Memory requirement depends on lengh of simulation years. The versions of SEIB-viewer and SEIB-DGVM code should be properly corresponded with each other.
After running the program, open a result file 'output.txt' from file menu. When reading and analysis of the specified file were completed, SEIB-Viewer displays simulation results. By changing time-slider and time-range rudio-button, users can change year and year range to show.
To display physiognomy, users have to prepare jpeg images using POV-RAY code (distributing with SEIB code) for each simuation year. These image files should be at the same folder of 'output.txt', and file name should be 'Viewer_animation???.jpg', where '???' is a successive year number starting from '001'.
This tab displays simulation settings. Latitude and londitude are written in decimal system after decimal point. For latitude, plus and minus values indicate north and south, respectively. For longitude, plus and minus values indicate east and west, respectively.
This tab displays climate data that was inputted for the simulation. When time range is '1yr', graphs show daily values except for precipitation (monthly sum). When time range is '5yrs', graphs show monthly means (monthly sum for precipitation). When time range is '50yrs', graphs show annual means (annual sum for precipitation).
This tab displays radiation properties in the simulation. 'Radiation at midday' and 'PAR at midday' are stacked graphs. 'Attenuation factor' indicates unabsorbed fraction of radiation after passing through woody and grass layers. When time range is '1yr', it shows daily values. When time range is '5yrs', graphs show monthly means. When time range is '50yrs', graphs show annual means.
This tab displays carbon and water balances, which are linked with plant dynamics in SEIB-DGVM. 'Water flux' is showen by stacked graph. In 'Water strage', soil water contents are indicated as a fraction of field capacity. Soil water above and below wilting point are colored by pale blue and pale pink, respectively. When time range is '1yr' and '5yrs', graphs show monthly sums (fluxes) or means (strages). When time range is '50yrs', graphs show annual sums (fluxes) or means (strages).
This tab displayes plant properties. 'Allocation' is showen by stacked graph. Size class distibution' shows histogram of tree-size-class, which is determined by trunk diameter. When time range is '1yr' and '5yrs', graphs show monthly means (except for 'Size class distribution'). When time range is '50yrs', graphs show annual means.
This tab displays physiognomy of each simulation year. Grass PFTs are not visualized.
Interval
Time interval for output data. This control also alter available data list on tab 1 and 2.
Span
Specify range of the year to write data.
Separater
Specify data separating character
Header Text
Specify head text that will be attached to the beginning of output file.
Tab 1 takes charge of properties of the virtual forest. By using 5 buttons between list boxes, edit "Items for output" list box. Push "GO" button, then selected items will be written in the data file.
Data file coordinate (Horizontal direction: Selected items in the same order in the right box, Vertical direction: Simulation time)
Tab 2 takes charge of PFT specific properties. Select PFTs to output by checking left box. Select a data item to output. Press "GO" button, then data file will be generated.
Data file coordinate (Horizontal direction: Selected PFTs in the numerical order, Vertical direction: Simulation time)
Tab 3 takes charge of histgram of DBH (Diameter at Breast Height) size class. Select a PFT to output. Specify histgram properties by changing maximum "max", minimum "min", and interval step "step" (all unit is cm). By pressing "Preview" button, you can preview the output file to generate. After cheking it, push "GO" button.
The minimum size class includes all individuals below Min DBH. (i.e., when Min=5.0, the minimum size class includes all individuals of which DBH is < 5.0). The maximum size class includes all individuals above Max DBH. (i.e., when Max=50.0 and Step=5.0, the maximum size class includes all individuals of which DBH is >= 45.0).
Data file coordinate (Horizontal direction: Size class , Vertical direction: Simulation time)
When 'Physiognomy' tab was selected, 'Play/Stop' button does not function.