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2022 GeOnG - QGIS Workshop

Step 2: Manage date of data as input

A - Add two date input

  • Date from
  • Date To

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B - Add Extract by expression algorithm (rename it, “Extract by expression dates”)

  • Input layer: Fire point layer Expression: 
    "ACQ_DATE" > @date_from AND "ACQ_DATE" < @date_to

C - Manage dependencies and link “Extract by expression date” algorithm in the right place of the processing

  • Change input layer of “Field calculator conf_l” algorithm and put Matching features from algorithm “Extract by expression date” “Field calculator conf_l” depend “Extract by expression date”

D - Run the model to test results consistency

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E - Save as you model, in case further developments break its execution. It will help you to get back on a solid base, if you mess up the processing

Model output: Model_on_fire_v2.2.model3