A tabular set of data linked one-to-one to a set of spatial features.

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4
votes
1answer
37 views

Attribute data disappearing after converting points to line

I am currently working on a project strictly in Modelbuilder. I am trying to teach myself how to use it. I don't yet know how to use Python and am still in the early learning stage. My question has ...
4
votes
3answers
1k views

How to get a list of attributes in FME when there are no records in table?

How to get a list of attributes in FME when there are no records in the table? I try use a PythonCaller but when there are no records, FME passes over this table. In PythonCaller I write: import ...
4
votes
1answer
242 views

How can values in the attribute table be refreshed automatically when a geometry changes?

I can't find a solution for auto-refreshing attribute table data. For instance, how can the data related to features of a Shapefile (e.g., the area) be updated if the feature geometry is changed.
4
votes
1answer
190 views

Converting dbf into raster image using Python as way to add table to layout?

ArcPy does not have a function to add a table to a layout. I was thinking that maybe taking that table (e.g. a dbf), there may be some python script command to turn it into a raster (e.g. do ...
4
votes
1answer
1k views

How to write values from arcpy statistical output to table?

The attached script is my stalled attempt to perform the following workflow: Create a table and create fields Loop through a folder of point shapefiles and perform average nearest neighbor analysis ...
4
votes
2answers
1k views

ArcGIS Attribute Assistant method not working

I don't know how many of you are using Attribute Assistant for ArcGIS 10.1, hope many:) I have some difficulties with a couple of methods. Well, I got the INTERSECTING_EDGE, the GENERATE_ID, and a ...
4
votes
1answer
1k views

Build Raster Attribute Table with GDAL Utilities

Is there a way to build a raster attribute table using one of the GDAL utilities? I know you can view it using gdalinfo and I have successfully created one using Python, but it would be so much ...
4
votes
1answer
2k views

Feature Layer Attribute table to Datatable and make it editable

Hi Currently i'm using this to turn it into a data table featureCursor = layer.FeatureClass.Search(que, false); row = featureCursor.NextFeature(); if (row != ...
4
votes
2answers
60 views

Is there a way to get the current way a table is sorted in order to iterate over it?

I have a tool in ArcObjects that I'm working on where the OnClick() method finds the current row in the active attribute table (not the selection, but the row that has the carat to the left of the ...
4
votes
1answer
300 views

Updating attribute table from an Excel file using Python

I am kinda new to Python, please excuse for such a trivial questions. There is a shapefile (let's call it Materials.shp). I have an attribute table with different fields (for example, windows, doors, ...
4
votes
2answers
549 views

Export Raster Attribute Table using Open Source software

I've got 120 or so geotiff files that I'd like to build and export the raster attribute table to something a little more friendly (e.g. csv). I'm curious if there is an open source way to do this. ...
4
votes
1answer
121 views

Using QGIS to create a table of correspondence between two area layers

I have two area layers over a map of Australia, and I want to know if it's possible to use QGIS to create a table of correspondences between them. The Australian Bureau of Statistics provides ...
4
votes
1answer
335 views

Make table views in ModelBuilder with Iterator

I'm trying to use the model as shown in the image to get 300 tables for the 300 points in the input feature class. I can get 300 viewshed rasters but can only get the table of the last point. It ...
4
votes
1answer
465 views

Is there a way to modify an Excel sheet which is already open in ArcMap?

I have an excel sheet that is joined to a shapefile in ArcMap. I need to modify many elements of the table, but every time I need to close ArcMap in order to be able to do it. Is there any way to ...
4
votes
1answer
368 views

Join a table to a parcel layer and get duplicate parcels, reflecting individual leases

I have a table of 3,000+ lease files that I'm trying to join to our parcel layer. Each parcel has 4+ leases associated with it, and I need each to be represented by an actual polygon. When I do a ...
3
votes
4answers
2k views

How to create a new Shapefile with the same attributes as an existing one?

It is quite a frequent occurrence that I want the data I'm about to add to a new shapefile, to have all the same attribute fields as one I created in a previous project. For example, I might have ...
3
votes
3answers
5k views

How to get values of each cell in raster attribute table?

How do I get the values of each cell in the raster attribute table. Usually the attribute table gives you the value and number of counts. But, in my case I want each cell listed and corresponding cell ...
3
votes
2answers
96 views

Putting parentheses around label value in ArcGIS for Desktop?

How can I create a label expression to put parentheses around an attribute value I need labeled on a map? I'm using ArcGIS version 10.3.
3
votes
2answers
218 views

How to show the entire number of records in the attribute table?

How do I show the entire number of records in an attribute table? The number should be around 100k records, but it only loads 2k at a time.
3
votes
3answers
242 views

What FOSS GIS has the option to link attribute tables to rasters

In ArcGIS rasters can have attribute tables. What FOSS GIS offers a similar option?
3
votes
3answers
212 views

Converting SpatialLinesDataFrame to SpatialPointsDataFrame in R?

In R I have a SpatialLinesDataFrame (for example from a coastline shapefile) and I want to convert it to a SpatialPointsDataFrame. I want to keep all the vertices from the line shapefile to become ...
3
votes
2answers
45 views

Search for textbits in QGIS

Is there a way to search for only parts of text in QGIS. Imagine I have a field in my attributetable called myField and I have several entries there, something like This is awesome Even more awesome ...
3
votes
2answers
232 views

Export attribute table to Excel readable format

I want to save some attribute tables in a file format that Excel can read. Currently I'm using the tool Table to dBASE in Modelbuilder, but when I open the files in Excel it shows some errors in ...
3
votes
1answer
924 views

Joined tables and now field calulator is greyed out

In ArcMap (10.2), I accidentally calculated the wrong field outside of an edit session, so there was no way to reverse my action. I restored a previous version (shadow copy) and joined the tables ...
3
votes
1answer
5k views

Replacing all null values from attribute table with zeros using QGIS?

I have a new column in my attribute table with a lot of null values and I want to replace all them to zeros. How can I do that in field calculator? I'm using QGIS 1.8
3
votes
3answers
1k views

How to color-code geology maps with given CMYK colors?

I'm trying to understand whether it is possible to corectly display colours in British Geological Survey maps. Our client has a licence to use the shapefiles but unfortunately BGS don't provide SDL ...
3
votes
2answers
11k views

Auto fill column in attribute table

Is there a way to fill a column in the attribute table with the same value, similar to a paste . Is there something in the calculator that can be used to fill selected records/attributes.
3
votes
1answer
3k views

Creating a multiple bar graph in ArcMap

I would like to graph my data from a shapefile. The data I wish to display is the sum of the nominal data per each year that it occurred. I have enclosed a screenshot to illustrate my idea. There is ...
3
votes
4answers
3k views

Zoom to Feature hotkey in ArcMap Table View

In ArcMap 10 table view, is there a way to set up a hotkey that when a feature is selected, pressing say "z" is equivalent to right-click-->Zoom To? I would like to be able to highlight a record and ...
3
votes
3answers
217 views

Comparing Column Contents in QGIS

I am trying to compare the contents of two columns named C1 and C2, each of them having some 250 values. I want to create another field, named C3, with TRUE if a value from C1 is found anywhere in C2, ...
3
votes
2answers
138 views

Attribute table : How to select more then one feature?

I have a vector layer: ROADS that is composed of different types of roads: primary, secondary, tertiary, trunk, etc. When I right click on the layer ROADS and I go to Attribute table -> Select by ...
3
votes
1answer
73 views

displaying attribute table on top

I would like to pin (fix) the opened attribute table to the QGIS window or display the table on top. The attribute table is opening as another window (and it is possible to open the same attribute ...
3
votes
1answer
104 views

Automated count for attribute table elements

I need to extrapolate from an attribute table the number of elements divided for categories in an automated way (it's not possible to count them manually cause the number is quite huge, about 10000). ...
3
votes
3answers
85 views

Can't replace attribute with field calculator

I have an attribute table where one of the columns (laeskaerm) has been edited/created by checkboxes on 2 different machines. Result: it contains both 1, 0, true, false and NULL I'd like to replace ...
3
votes
2answers
89 views

Averaging XY data for locations in QGIS

I wanted to find out mean of the selected point using QGIS. I tried out selecting using attribute table but could not find an option for mean in field calculator. I have attached a screenshot with ...
3
votes
1answer
709 views

Not able to save edits to vector layer in QGIS

I have a vector layer with about 200 features. So far I have been able to add polygons to this layer just fine, now it is giving me trouble. When I draw the polygon and try to save edits, the polygon ...
3
votes
1answer
223 views

QGIS - Is it possible to increase Output Field Name?

When creating a new Column, the default value for the length of the name is 10. Using the Field Calculator via the Model Builder, I want to include the names of regional areas into the columns which ...
3
votes
1answer
1k views

How to provide meanings (metadata) of attributes/fields with shapefiles?

Usually when doing GIS projects, especially when working as a freelancer, you're just provided with a bunch of shapefiles and you have to figure out yourself what all the table attributes mean. ...
3
votes
2answers
792 views

How to Select by Attributes on features sharing common value?

I am attempting to 'select by attributes' a point feature with the lowest numeric value which shares a common value with other point features in another field. For example: I may have 3 point features ...
3
votes
1answer
68 views

How to Add Name of Different Category in Attribute Table

I'm stuck in a problem when I started calculating area in arcmap 10.1. In the picture, I categorize my polygon into four unique labels - i.e. vegetation, sand fill, water body, built-up area. Now I ...
3
votes
1answer
133 views

Adding date field to attribute table using QGIS processing modeler?

I want to add a date field to my output layers attribute table, using processing modeler. I want the Date field to be a parameter in my model, because I want to manually input the Date everytime I ...
3
votes
2answers
362 views

Efficient ways to read table data from a large feature layer?

I have a feature layer that contains about 460,000 records and it currently takes about 20 minutes to read that table using the arcpy.da.TableToNumPyArray() tool. Is there a more efficient way to read ...
3
votes
2answers
86 views

ArcGIS Removing values from a shapefile with Python

I've got a monster shapefile with lots of duplicate records, however each duplicate record has an accuracy rating. I want to remove all duplicate records with a lower accuracy rating. This would be ...
3
votes
1answer
2k views

How to Calculate Cumulative Field Values in Arcmap

My problem is conceptually quite simple; In Arcmap 10.2, I wish to create a field which contains the cumulative values of another field in the same attribute table. For example, if the first three ...
3
votes
3answers
50 views

Is there a way to shift data in an attribute table so that all attributes are moved to a different coordinate?

I have several shapefiles where the attribute table is composed of timestamped data that is appended to the coordinates. Because of the nature of my data, I need to apply a time lag so that the data ...
3
votes
1answer
144 views

Calculating distances from points to the centre of cells

I am using QGIS 1.8.0 (using older version because I need the Qmarxan plugin which is not available for 2.4.0). I have a study area that has a vector laying of "planning units", or cells over the top ...
3
votes
2answers
269 views

loss of attribute data when copying between layers

I am trying to copy points from one layer to another in QGIS 2.2 The problem I get is that all the attribute data from the copied points is missing when copied onto the new layer, the columns show ...
3
votes
1answer
780 views

How to adjust QGIS attribute table view column width using Python?

I'm programmatically opening the Attribute table via Python through a plugin. All of the columns have a default width, but some of the data that I'm using do not fit. It's not enough to be able to ...
3
votes
1answer
4k views

find polygon corner coordinates

I am trying to get the coordinates of each node of the polygon I create. I would like the attribute table to display the name of the polygon (ex. address) and then the coordinates of the nodes (ex. ...
3
votes
1answer
684 views

Using python to access the attributes of features within the current extent?

The script I'm writing requires a specific attribute of the building polygon that the data frame extent is currently focused on. Is there a way to grab this data?