Help converting X, Y coordinates to Lat Long
Hiking & ActivitiesHow do you convert XY coordinates to latitude and longitude? Calculate latitude and longitude using the formula: latitude = asin (z/R) and longitude = atan2 (y,x). In this formula, we have the values of x, y, z and R from step 2. Asin is arc sin, which is a mathematical function, and atan2 is a
Comma separated text in attribute tables
Hiking & ActivitiesHow do you handle comma separated values in a CSV file? Since CSV files use the comma character “,” to separate columns, values that contain commas must be handled as a special case. These fields are wrapped within double quotation marks. The first double quote signifies the beginning of the column data, and the last
How to input a string (or any type) value to a field for multiple feature layers at once
Hiking & ActivitiesHow to replace the text in multiple fields in an attribute table using the field calculator tool? Procedure In the Calculate Field window, select the feature layer for Input Table, the field name for Field Name (Existing or New), and Python 3 for Expression Type. Double-click the field name under Fields, and . replace() under
How to select a raster file that is under a polygon in a vector file?
Hiking & ActivitiesHow do you extract a polygon from a raster? In the Clip section, under Clipping Geometry/Raster, browse to the desired polygon features, and check the Use Input Features for Clipping Geometry check box. Click OK > OK. Export the raster to save it permanently. How do you join a raster to a polygon? Convert the
Collecting Lat-Long in a Google Docs Form by adding script?
Hiking & ActivitiesHow do I capture a long lat in Google form? Add a location field to your form Open a form from Forms. Add a location field by dragging it from the fields menu into your form. Name your location field. Enter latitude and longitude coordinates to position the center of your map. Check or uncheck
Are two rasters the same, including null values, in ArcGIS desktop?
Hiking & ActivitiesWhat is a null value in a raster dataset? A null or a missing data number is usually assigned to cells where input data is lacking. This number acts as a flag, indicating there are no results. How do I remove no data values from raster in ArcGIS? You can also remove a value from