A set of data elements arranged in rows and columns.

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2
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0answers
45 views

Why is ArcMap deleting data from a field when I add a new one?

My copy of ArcMap 10 is acting pretty strangely. I have a shapefile and all I've done is added a new field as a FLOAT and for some reason all data in another one of my fields is being deleted! Does ...
2
votes
0answers
234 views

Loading postgresql tables in Arcgis for Desktop 10.1

I have postgresql version 9.0.5 installed and configured. Also in my ArcGIS for Desktop 10.1 in "Add Database connection" I have my postgresql connected and I can see all the tables in it (figure1). ...
2
votes
0answers
104 views

Connecting Access Table to ArcGIS (Replace Function!)

I have an Access Query where the Field names contain symbols like "-", ":" and spaces. When I was connecting my database to ArcCatalogue that specific Query-table was not visible. Then I used Replace ...
1
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1answer
440 views

PostGIS Create Table with Geometry

I have written a query that will create a table and perform a GROUP BY from an existing spatial table, but the table does have the geometry. I am wondering where, and what, in this query I put to ...
1
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3answers
62 views

Add value in Attributestable without reducing the attributetable

I am working with the modelbuilder to create a model which can be used by people who do not have a lot of experience with ArcMap. I have a Shapefile with a huge attributetable. I created a new column ...
1
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1answer
177 views

ArcGIS “Zoom to layer” scale

I'd like to quickly inspect the features in a feature class by double clicking the row in the table view and looking at the surrounding base layer. This works, but the feature fills the screen, so I ...
1
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2answers
408 views

How to Append to rather than overwrite single table using ArcPy?

The code thus far works to create multiple output files, but I'd like to set it up so that the data is all exported onto a single table across multiple rows. The issue is I believe with the part in ...
1
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3answers
61 views

How to return a unique value from table using Arcpy?

Using Arcpy in Python, I would like to return / print '0.15' from the following table: When I use the following code I get "(u'D', 0.20)" as my print statement in Python: import arcpy fc = ...
1
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1answer
30 views

Make feature class from table data

I would like to create a feature class using an attribute table of another feature class. However, it does not use XY coordinates, so I can't create it that way. I thought I could export the data and ...
1
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1answer
98 views

Copy tables from one server to another in PostgreSQL

I am trying to copy a number of tables from one server to another using PostgreSQL as part of reorganising our data structure. I am pretty new to PostgreSQL so haven't much experience with it. Is ...
1
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1answer
47 views

Keep column titles when exporting SQL query in MapInfo

Is there a way to keep column titles when exporting a query in MapInfo as a csv or a new tab. This is my result: And my export looks like this: It's not a major issue, I jus like saving myself ...
1
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1answer
76 views

MakeQueryTable_management

When I run this code, it says "An invalid SQL statement was used". Any idea what does it mean? import arcpy from arcpy import env env.workspace ="C:/RG/Projects/CriticalDataNetwork/CDEC.gdb" try: ...
1
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2answers
392 views

Counting Characters using Field Calculator - Arcmap

I am trying to use field calculator to populate a column based on the the number of characters in another column. I am using the Python Parser. I am not sure if the .count() function is appropriate in ...
1
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1answer
187 views

Join Tables related by a composite primary key in qgis

I have two tables, one has the geometry and other has attributes. The table with geometry has unique number primary key, and 4 columns admin1,admin2,admin3,featureid. Table two is a csv file has the ...
1
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1answer
2k views

How to avoid General function failure and delete table field in ArcGIS for Desktop?

I am trying to delete a table field: From ArcMap table view, I right click on the field heading and select Delete field. Unfortunately, I obtain the following message: Failed to delete the selected ...
1
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1answer
32 views

Order by column is sorting String like though it is an Integer column

The question is very easy. The usual sorting of an Integer column is really bad. I need it like 1,2,3...11,12 and so on. But currently it's more like 1,10,11...2,20... Here a picture Is there an ...
1
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1answer
34 views

Convert a lat, long, value table into a raster

I would like to to convert a table with latitude, long, and a value into a raster. My file looks like this: X Y Z 32.85138942 -6.643054718 0 32.85138942 -7.059721474 1004 32.85138942 ...
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1answer
39 views

How to use a feature class attribute to look up values in a table and pass them as parameters to a function?

My problem: I have a set of points inside a polygon. My goal is to figure out how long it takes (in days) for each point to move outside the polygon, based on a daily movement which affects all the ...
1
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1answer
41 views

I need to find the longest string of ALL cells in a table

I need to find the longest string of ALL cells in a table. Unfortunately, the table can have varying number of fields each time. This need to be a generic function. Any leads please?
1
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1answer
150 views

Join of two attribute tables with different amounts of rows

I have a hard time sorting the following out: I have two different Shapefiles. The attributetable of one, lets call it shapefile A looks the following: SHAPEFILE A ATTRIBUTETABLE Name Type ...
1
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2answers
105 views

cartodb runs out of space *after* shrinking the data in the tables?

I try to work in CartoDB with data I import from CSVs (or xlsx, see below). The data is 24.1 MB in ASCII CSV, 10 MB in xlsx. I spent quite some time shrinking my data's size, and I was happy to ...
1
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1answer
100 views

classify a table via field calculator

I have a dataset of several states and a table with many informations about them, they are already joined, what i want to do now is to create 5 classes about the average lifespan. they have to be ...
1
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1answer
133 views

QGIS 2.0 Table Join creates unwanted prefix in field names

I used to join shapefiles and CSV files via the "joins" tool in the layer properties just fine in QGIS 1.8 . Now i've updated to QGIS 2.0, and when i do the exact same thing, QGIS puts the name of ...
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1answer
264 views

PostgreSQL/GIS table relations in QGIS 1.8.0

I am building a database in PostgreSQL 9.2 with the PostGIS 2.0 extension. The database consists of a schema called Water which contains water related geographic features (as example, boreholes and ...
1
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1answer
147 views

Python: Grabbing X,Y coordinate from matching fields

Here is my table. What I am trying to do is write a python script to go over the Zip_Crid values. If there are matching values, I need to grab x1, y1, x2, y2 and put it in a new field. Haven't ...
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1answer
387 views

Automatically updating a table column with the name of table

Does anyone know a straightforward way in MapBasic to automatically update a table column with the name of the table the column exists in? Going from the MapBasic reference guide it seems the ...
1
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1answer
396 views

How to add a table into the TOC in a Python script?

I recently experienced some troubles in adding a table from a specific folder to the TOC using a Python script. Any idea on how can I solve? Thanks, Annalisa
1
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3answers
61 views

How do I normalize the values in a single Field (from a table) in ArcGIS?

First of all, this is my first post, and I would like to appreciate all the useful information I have found so far on this site. Second of all, I have encountered a problem, in Field Calculator. ...
1
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1answer
36 views

Deleting a standalone table from the TOC— C# ArcObjects

I'm looking to delete a standalone table that has been added to the arcmap document from an access database. I only want to delete it from the TOC, not from the file and I can't seem to get it to ...
1
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1answer
50 views

How to change the attribute length of an existing field afterwards

I already have about 100 values in a field in QGIS. I set it to 50 characters because I was thinking that would be enough. But that was wrong. I need more space in the column. But there is no way to ...
1
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2answers
42 views

converting csv to dbf

I have a python created CSV that I am looking to turn into a dbf but it is not getting read properly by the TABLE TO TABLE conversion tool. I select the csv, set the output to be XXX.dbf but the ...
1
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1answer
45 views

Attribute Table Missing Information

I'm taking a QGIS MOOC on Canvas, and in one of the labs we're to change layer style using an attribute table. However, the attribute table displays some very strange information on my system. ...
1
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1answer
90 views

MapInfo, SQL data from multiple tab files which have the same columns

New to the GIS forum so apologies in advance for any potential etiquette failures... I'm working in MapInfo. I have multiple tables with the same structure. One of my columns is pipe diameter. I ...
1
vote
1answer
55 views

NAD27 to NAD83, saving AFTER transformation?

I need to measure the distance (with the ruler) of points from two different layers. One layer is NAD83 and the other is NAD27. When importing the NAD27 csv file, I specified it was NAD27. Then I ...
1
vote
1answer
58 views

Create a New attribute table in ArcMap?

I am trying to create a new table of attributes for later purposes, in arcGIS but just an empty one, How can i do this? I also have it as an Excel format, but I don't know if there is any way to ...
1
vote
1answer
109 views

How to make reclassified raster layers automatically display break values in their attribute tables?

I am using ArcGIS 10.2. I have many raster layers which I need to reclassify (using the quantile method), I Also need to know the break values of these reclassifications. I know that the break ...
1
vote
1answer
137 views

Export “Zonal Statistics As Table” output in Modelbuilder

I have an extremely simple model that takes as input a shapefile for zones along with a value raster. All the model does is produce a table of my desired zonal statistic for each zone (the mean). ...
1
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1answer
122 views

Updating a feature class

I am working on ArcGIS 10.2.1. I have a feature class containing more than 4000 records and a table having approximately 1000 records. Both feature class and table have some common fields however, ...
1
vote
1answer
46 views

Attribute table in map composer is limited to 99 rows. How to change it?

I am using Qgis 2.2. I am about to create a cadastral index map, which are showing the parcels in specific gridcells, also there is an attribute table connected controlled by an atlas function. So by ...
1
vote
1answer
146 views

Why a severe performance difference using deleteSearchedRows

The issue I am having involves two versioned tables. A function deletes 48 rows from Table A and and 48 rows from Table B using deleteSearchedRows. However, the delete from Table A takes roughly 4 ...
1
vote
1answer
109 views

When I join a table to a shapefile and then export it the titles of the columns are transformed to data1, data2

I'm using QGIS 2.0.1 The table is in an excel format that i import through "add vector" and the shapefile is a polygone I join the attributes by right clicking the polygone-->properties-->join Then ...
1
vote
2answers
211 views

Perform “Add Join” on multiple tables ArcMap or R

The operation I want to perform is the Add join in ArcMap 10.0. It works perfectly when done with one file but I need to do it with a few hundreds tables. What I have is ONE shapefile with divisions, ...
1
vote
1answer
231 views

How to add Table View to Data Frame using ArcPy in ArcMap 10.0?

How does one add a table to the current map in ArcMap 10.0? 10.1 has the function arcpy.mapping.AddTableView, but this function does not exist in earlier versions. Must the table be made into a layer ...
1
vote
1answer
541 views

Make Table View with field_info Output

I am using Make Table View to copy data from one table to a table view object and in the process hide and/or rename some fields. When I output the data to a dbf it hides and/or renames the fields ...
1
vote
1answer
269 views

Tables within the Reclassify tool- what is it, where is it?

ArcMap 10.1 here. I have a raster set I'm looking to reclassify. The field I need to re-classify is currently a string of words like "Thing 1" and "Thing 2" and I'm going to set them to be 1 and 2. I ...
1
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3answers
39 views

Listing Attribute Table in order of Selected objects

Currently when I open my attribute table, I get the order or points by which they are added and I would like to get them in order in which I selected them. For example, I select points (in order): 6, ...
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1answer
28 views

Working with related table

I tried to dissolve smaller features into larger (from unit to district) with field in related table. I can easily see the related records of related (many) table but unable to dissolved the features ...
1
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0answers
52 views

Maintaining same number of digits in Excel file when converting to table in ArcGIS for Desktop?

I have two fields containing lat and long values which are precise up to 8 digits. When I use the excel to table tool, Arc removes the last two digits in both fields leaving me with lat and long ...
1
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0answers
13 views

Catalog table list into web browser

I'm looking to do some cataloging of both workspaces and table metadata - I want to cycle through a workspace and pick up the table names and associate those with the wrokspace name (I can then track ...
1
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1answer
31 views

Compare 2 tables of different lengths

I have a problem and am looking for some help with the following: 2 Layers: Not_Joined and Joined Not_Joined: Old digitized data that has X attribute in it. Joined: Spatially joined layer that has ...