Questions tagged [attribute-index]

Attribute indexes can speed up attribute queries on table/GIS layer

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345 views

How to filter points in one go by setting extent area around line?

I have a large set of data points which are falling away from my study area(Which is not required)Pls see image attached. I need to filter points which are falling within a radius of say 2km from the ...
1
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1answer
93 views

Indexing long text fields failing using arcpy AddIndex?

Arcpy AddIndex_management won't index long text fields, is there a workaround? I tried: arcpy.AddIndex_management(r'C:\workspace\foo.dbf', "Text") and got the error: Runtime error Traceback (most ...
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1answer
29 views

Removing Indexes

Using ArcGIS , I'm trying to automate a process to remove indexes from a dataset using the ArcGIS Modelbuilder. Is it possible to use a dataset (not a feature class) as an input parameter? Or would I ...
3
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1answer
1k views

Index an attribute field of a shapefile in QGis

Is it possible to index an attribute value of a shapefile in QGis, and if so save this as part of the project (similair to a spatial index)? I have a large shapefile of land parcels (maybe about 1 ...
2
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0answers
258 views

ArcGIS PRO Memory Leak Caused By Single Feature Class [closed]

I use a combination of ArcMap and PRO on a daily basis. It doesn't appear that many people are using PRO yet based on the lack of documentation online. All of layers are feature classes stored in ...
1
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1answer
75 views

Using non-unique names for attribute indexes of file/ArcSDE geodatabases?

I am using ArcGIS 10.2.2 for Desktop. Within a file geodatabase does an attribute index name need to be unique? I thought that it did, but I have not been able to find any documentation to say ...
1
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1answer
68 views

Listing feature names as attribute within polygon using QGIS?

I have a number of polylines in QGIS that correspond to seismic SEGY files, and want to subset the dataset using a box/polygon that I make in QGIS. Is it possible to get the feature names that are ...
2
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1answer
759 views

Loading layer from ComboBox in QGIS?

I made a plugin what has multiple combobox but i have problem with the information load from the second combobox it depends on the combobox 1st. In the first combo box, i can choose layers from the ...
3
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1answer
164 views

Issue on Removing Index From Field by Arcpy

Using ArcGIS 10.2 Desktop, I am trying to remove an attribute index from my shapefile (marten.shp) as: import arcpy from arcpy import env env.workspace = "D:\\Map\\Data" arcpy....
2
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3answers
599 views

Creating Multiple Field Indexes Using Arcpy

I want to create a code that will take a feature class' fields and create indexes for each of them (because it is tedious to do it by hand). I'm trying to use arcpy.ListFields to get the fields and ...
2
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0answers
610 views

Create a non spatial index on an attribute in QGIS before joining two layers

I’m trying to join a .dbf which contains no spatial data to a shapefile containing spatial data. Ideally I’d like to create an attribute index on the join field in the .dbf before I join it to the ...
3
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0answers
851 views

Using Element Properties with ArcGIS Report Designer? [closed]

I've finally got a table generated that will work for a street index and I'm attempting to use the ‘Create Report’ tool with ArcGIS 10.1 to generate what I need for a map. Essentially, I have it setup ...
11
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1answer
209 views

Verifying that attribute indexes are being used in query from ArcObjects?

We have some software as part of a larger project written using ArcObjects via .NET. This software migrates and merges data from multiple file geodatabases in one schema to a single file geodatabase ...
29
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3answers
22k views

Filling column with consecutive numbers in QGIS?

I make a new column in my attribute table and it has a default value (for example 0). I want to (probably using the field calculator) have the result that row 1 has the value 1, row 2=2 and so on, ...
11
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3answers
1k views

Are personal geodatabases better suited for quickly querying indexed attributes than file geodatabases?

I'm preparing data for an ArcGIS Engine application that queries the data to search for an address. Sometimes we search just on the street name field, just on the house number field, or both. When ...