Geographic Information Systems

Questions tagged [double]

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A computer number format that occupies 8 bytes (64 bits) in computer memory and represents a wide, dynamic range of values by using a floating point.

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Converting double values into time in QGIS's Field calculator

How can I achieve the following result (in column "output", string) in QGIS attribute table? The values in "duration" were calculated with some other formulas and represent a ...
3
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38 views

Unable to join double type data into a label expression

I'm struggling to include the field data from a double type attribute in a label. I've managed fine to pull in the data from the "Code" and "Features & Remarks" columns... I ...
1
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1answer
42 views

Data (type double) mismatch between ArcMap and ArcGIS Server 10.6.1

When I identify a feature which is having a double value as 0.00001 in ArcMap, it is showing what is expected. I have the layer published as a map service using ArcGIS Server. If I search for the same ...
2
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159 views

Double precision error on user defined type

There is user defined type which consist of double precision type and integer. It looks like it CREATE TYPE ZOOM_LVL AS ( eps FLOAT8, minptrs INTEGER ); This function is used to set the value to user ...
2
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1answer
71 views

Convert decimal time to use in QGIS

I have a .shp file with includes a column of format Double that is the Arrival time. The time values entered are decimal time. For instance, 1 record has a decimal time of 7.11194, which converts to ...
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216 views

ValueError: could not convert string to float: 'x_degree'

I want to create a decimal degree (dd) field from degree minute seconds (DMS) as a script tool. The CSV looks like this. My code looks like this: import arcpy inTable = arcpy.GetParameterAsText(...
2
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1answer
33 views

Running IDW, but values are '<1' not 0.934 so they are Strings not Doubles

I am trying to use some interpolation tools for analytical data of concentrations of Benzene for monitoring wells. A decent amount of our values for Benzene are '<1' (not 0.943 or 0.345) because of ...
1
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0answers
171 views

Feature class - HEC-GeoRAS

I am currently working with HEC-GeoRAS I am trying to import data from a shapefile into the feature class River. I would like to insert a type of data DOUBLE in the attribute ARCLENGTH of the table ...
1
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1answer
173 views

Python toolbox field value precision - selection based on Double field

I have a python toolbox (.pyt) where the user selects a layer, a field from that layer and then values from that field. The tool uses this to make a selection based on the field values. It's working ...
1
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1answer
239 views

How to fix Excel/Arcmap “data type mismatch” error?

I've had a polygon shapefile joined to an XLS file with no issue until today. Although the category of the column category is designated as "Number" in Excel, ArcMap recognizes the column as "String" ...
2
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1answer
536 views

Convert double to string with Calculator

I would like to convert double to string using the calculator (or ArcObjects) and get the actual number. Calculator seems to truncate the number at ~15 decimal places but the actual value may be a ...