I would like to calculate a field (short integer) using other fields (short integer) present in the table. In some cases these fields may have null values for one or more of the fields. For example, ...
In one Shape file I have created 1200 buffer zones Around coordinates. I created a field and calculated the buffer zones area in hectares. Then I clipped different landcover layers to the buffer ...
I have a layer in State Plane NAD83. When I use "Vector|Geometry Tools|Add/export geometry columns" or Field Calculator they both create the area in feet. What if I want acres or square miles? Thanks ...
Would this be ok to use them for the field calculator in ArcGIS 9.3 ? See here MS Excel VBA Functions Or should I fix them in MS Excel and save as a file and then use the join with the shapefile or ...