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Int2GIS_Working_With_Tables

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Int2GIS_Working_With_Tables

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  1. WORKING WITH TABLESRight click on the Village_Population layer and open the attribute table. Arrange the size of the frame by clicking rigth_bottom corner until u see the Options button. Open the Options and select Add field. Select “Double” from type and give it name as an “Area”. In Arcmap, you can add more fields by using this method. The type of the field depends what kind of data or value u want to show. Text, Date or Numeric type of data can be added and calculated within tables.

  2. WORKING WITH TABLESAfter Area field appears, rigth-click on the top of Area field and select calculate geometry. From the Calculate geometry dialog select area as property and Square Kilometers from the Units options. Now Arcmap starts to calculating areas of each features (poligons) existing in Village_Popluation layer. The values can be seen from the Area field.

  3. WORKING WITH TABLESIn order to see which Village Boundary has the largest amount of land, rigth-clik on the top of Area field and select sort descending. Now table re-arranges values from the maximum to minumum. This also shows that, Dipkarkaz, Talısu and Güzelyurt administrative boundaries taking the first three places according to the Area values.

  4. WORKING WITH TABLESAttribute table of Village_Population layer has Area and Population fields. It is possible to develop Density field and calculate the values for each feature (poygon). Add Density field from the options by open atrribute table and select double type. Go Density coloumn from attribute table and select Field Calculator by rigth-clicking on it. Try the “Density=Population/Area” formula and click ok.

  5. WORKING WITH TABLESRe_shape the table attributes dialog as shown below and click “Selected” tab from the dialog. Make sure that the area should be blank. Go to Selection tab from main menu and click on it. Select the first opiton from the openning dialog. Select by Attributes frame opens.

  6. WORKING WITH TABLES Select by Attributes dialog includes different selection options from different layers and layer fields. First select the layer that u want to create a selection and field. For example, try Villages field and use “Villages=Dipkarpaz” formula to select Dipkarpaz polygon. (Hint: You can verify the formula from verify button)

  7. WORKING WITH TABLESAfter Applying the formula you should see that Dipkarpaz polygon and table row highlighted. Now u can zoom it and see the polygon from the selection menu by “Zoom to Selected Features” option. The Dipkarpaz Polygon is zoomed in map display menu. In order to develop report from the selected features go to options and click on Reports/ Create Reports.

  8. WORKING WITH TABLES(CREATING REPORTS FROM SELECTED FEATURES)In order to develop report from the selected features go to options and click on Reports/ Create Reports. Select Villages population Area and Density fields from the available fields and click on generate reports.

  9. WORKING WITH TABLES (CREATING REPORTS FROM SELECTED FEATURES)Small_QuestionA Company wants to find out the villages that, only has density below 10 person/kilometers within the northern cyprus. Moreover, they want to see also a report that includes population, density and names. Find out by using select by attributes method and create small report for a company as shown below.

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