| Summary: | During response and post-disaster recovery activities, technical agencies and institutions require information related to assesments on the negative impact caused by a disaster in the form of damages and lossess� calculations. To facilite the calculation of damages and losses caused by natural disasters in Indonesia, a calculation tool on damages and losses assesments (DALA) using QuantumGIS software was made.
The tool was made in the form of a plugin on QuantumGIS software that will calculate the values of the damages and losses of vector data. The plugin will also provide information concerning appropriate compensation costs based of the local government regulation and policy. The plugin was made by modifying the script that was resulted by QGIS�s plugin builder using Python language on Notepad++ software. User Interface functionality was added using QTCreator software. Conversion of *.ui files into a python file *.py was done to integrate the plugin into QuantumGIS.
From a DALA plugin programing activity, a plugin software that can be used to calculate the total amount of losses in an affected area was produced. The plugin�s display was made to be user friendly, which covers input layer menu including exposure layer, hazard layer and losses� estimation price unit, and calculate button to execute the calculation process. To test the produced plugin the dataset out of the affected village by lahar flood in post Merapi eruption namely Desa Sirahan was used. This plugin still has some limitations, including the current version only calculates the damages and losses for building units.
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