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

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12 views

Arcpy - Change single character in attribute table with python [on hold]

I was trying to speed up my data processing, and I was wondering, which would be the python code, that could browse through my shapefiles, and find special single characters (which I define) in ...
0
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0answers
8 views

Beginning a spatial analysis with own data

I am beginning a spatial analysis for artifacts (individual attributes) distributed across an archaeological site. I have the arbitrary location of all the points within the set area. I am not ...
1
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1answer
36 views

How to find cumulative length at points on a line?

I am working on a Modelbuilder project to teach myself how to use it. I do not yet have much knowledge in Python. I am currently a little stuck on the project I am working on. I have a line made from ...
4
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1answer
27 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 ...
2
votes
0answers
19 views

How do I merge a point attribute table to a polygon attribute table in QGIS or GRASS?

I have a point layer containing the following data: I want the following polygon areas to be added to the point attribute table as all the points occur inside the various features of the polygon ...
2
votes
0answers
24 views

Get the full list of commons

In QGIS I've loaded the shape file "province" in which attribute table contains 242 fields (the municipalities of this province) and also two other files downloaded from openstreetmap about hotels ...
3
votes
1answer
31 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 ...
2
votes
3answers
122 views

How to count classified points in polygons?

is there a way to merge the attribute table of a csv file into a the attribute table of a vector? Join is not the answer for me because in this way the plugin GroupStats that you suggested me to use ...
9
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3answers
139 views

How to refresh the attribute table of a layer after editing the table in the DB-Manager?

Is there any way to refresh the attribute table of a layer after editing the table (e.g. add a column) in the DB-Manager?
3
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1answer
100 views

Automated count for attribute table elements

I need your help for 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, ...
2
votes
1answer
27 views

How to maintain data in attribute table when importing ASCII file to ArcMap

I am very new to using ArcGIS. I have an Excel sheet with data in it where each cell represents a grid from a model output and contains a value (eg. amount of precipitation in that grid cell from the ...
0
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0answers
32 views

Updating attribute data based on another layer and key field?

I currently have two polygon layers (one building layer and one property layer). The information for the property layer is updated and supplied by an external source. In the building layer, I use a ...
3
votes
1answer
29 views

Positional join with multiple overlaying geometries, each containing a different attribute

I can't find any documentation on how a spatial join in QGIS is working on the following situation: An area layer is being spatially joined with a polyline layer in order to compare attributes of ...
1
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1answer
33 views

How to display a table from a polygon on Google Earth

I have a polygon that I am working on in ArcMap 10.3. It has an attribute table with about 300 some columns. I am having trouble displaying the whole attribute table on Google Earth when I export the ...
3
votes
1answer
29 views

Setting Data Driven Pages rotation when index has extra page polygons edited into it?

I have created an index to use with data drive pages. I used strip map index and then altered the geometry of the index polygons to better fit my project area. I also added additional index polygons. ...
1
vote
1answer
19 views

Export data from “Identify Results” table to Attribute Table

I am working on a street network in QGIS. I needed to increase the resolution of the street segmentation in an area of my network, so I copied and paste this area from another layer. I selected all ...
2
votes
1answer
25 views

How to filter in the attribute table within an attribute name?

I have to create a map with the corridor information in it (in German: Flurstücke). For that, I have one shapefile with the lines and another shapefile (points) with the information about the corridor ...
1
vote
1answer
26 views

Adding information from one polygon to the attribute table of another

I would like for the watershed (blue) attribute table of this map to have a column that indicates what protected area (red) it overlaps with. (As you can see, multiple watersheds touch each protected ...
3
votes
1answer
33 views

How do I export data points from topology checker into an attribute table?

I used topology checker in QGIS to find all dangles in my roads polyline shapefile. The topology checker returned about 528 dangling ends, also called errors. How do I save these points into an ...
2
votes
1answer
31 views

ModelBuilder Select Table?

I'm working on a project where I am building a tool to use. I have a large data set in a standalone table that has data for multiple years and multiple species. The first step in my tool is to make a ...
2
votes
1answer
45 views

What is the most efficient way to get a table or attribute table of a float raster?

I'm starting with a stretch point raster. Ultimately I want to get a mean value of values with larger zones and then rate the zonal mean stretching from 0-1 and output rank/zone to a table or layer ...
2
votes
2answers
26 views

fill shapefile with data when the attribute tables do not have the same number of rows

I have an "empty" polygon shape file. It only has one row in its attribute table. I have one attribute table called "owf" I would like to join to the polygon. Unfortunately, when I join the two ...
1
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1answer
21 views

ArcGIS 10 Split string from OSM data

maybe you can help I have a string: "width"=>"6","name:be"=>"Калінавы завулак","name:ru"=>"Калиновый переулок","surface"=>"asphalt","int_name"=>"Kalinavy zavulak","maxspeed"=>"40" necessary as a ...
1
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1answer
17 views

Joining attribute data from one layer to another layer in QGIS 2.12.2-Lyon

I have a polygon vector layer that I am trying to join its attributes to a point vector layer. The problem is that the polygon layer consists of grids that are numbered 1-150 (ID) and I am trying to ...
4
votes
2answers
65 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.
1
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1answer
29 views

Autofilling a form field using a spatial query

I am trying to autofill values of fields in a form when adding features to a database. When the point is added there are several fields that relate to polygons that the point sit within, such as ...
0
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0answers
17 views

Attribute table for tracking layer is showing up empty

I added a .csv file to arcmap. I went through the motions of adding XY data, exporting the data, saving it as a shapefile. I concatenated by date and time fields to be in one entry. Now I am ...
1
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2answers
71 views

Advanced forms with QT designer

I have a QGIS project where a SHP-layer contains the IDs of plots besides vector data. I want to create a form with QTDesigner which enables me to enter the contact information of the landowner(s) ...
1
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1answer
33 views

How to change the default field Input Value Raster for Zonal Statistics as Table?

I have a raster in ArcGIS 10 with the following attribute table: When I try to use the tool Zonal Statistics as Table over some polygons, it calculates the statistics of the fields 'Value' and ...
2
votes
4answers
102 views

CSV points not showing up when importing them in QGIS [duplicate]

I know this question has been asked before in one form or another, but those answers didn't solve my issue. I'm using QGIS 2.14.0 and trying to upload lat/lon coordinates from a csv file. When I ...
2
votes
2answers
64 views

Can the formula used to calculate a field in a QGIS attribute table be viewed after it was run?

I have a .shp which had undergone some edits to the attribute table a while back. A formula was used to recalculate some of the field values. I now don't have access to the knowledge of how these ...
1
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1answer
18 views

Representing directional data from an attribute field

I have a table in ArcMap 10.2 containing strike measurements, in degrees, for ~100 sample sites. Each measurement has a UTM tied to it, and the map has already been populated with points, but I would ...
-2
votes
1answer
37 views

change font of any particular column in arcgis

I have shapefile with table having 10 columns. How to change font of only 1 particular column in arcgis 10.1 or any other software. For example if the table is having Calibri font for all 10 columns, ...
2
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1answer
43 views

Attribute Table numbering

is there a way to reset the numbering in an attribute table in ARC 10.4? as in if features are deleted can the numbers be reordered in the new sequence left after deleting selections?
3
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3answers
90 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 ...
2
votes
2answers
35 views

Assigning column names dynamically

I have an interesting problem: I need to batchprocess a few files. I do that in a for-loop, where some operations are performed. Later on I want to write the outcome into an existing shapefile which ...
2
votes
0answers
12 views

Attribute table empty with custom driver in newer versions

I've written a custom ogr driver for one of our own formats. When loading the data I get to see vector data nicely displayed in Brighton/Essen/Pisa. However, when opening the 'Attribute Table' only ...
1
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0answers
27 views

having a standard value when filling in attribute table

I am using QGIS to collect field data and I wonder if it is possible to have a standard value apply to some of my attributes unless I say otherwise. I fill my attribute table with several drop down ...
1
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1answer
50 views

How to update new column in attribute table with same values but different field type?

I am struggling a bit with debugging my code, over something that seems very simple. I am using an update cursor to copy and convert existing string data into a new float column of my shapefile's ...
0
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0answers
15 views

Add field, if not alredy exist. Else do nothing [duplicate]

I want to develop a python code that: Enters a shapefile. Determines all its fields and, if among these fields there are some missing from a certain list, it add them. An example may be easier to ...
0
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1answer
18 views

How to remove XML tags within a field of attribute table?

I have this dataset I got it from Wikimapia ,containing bunch of fields . One of fields named "PopupInfo" contains xml tags : and looks like this when in editing mode : I want to remove these ...
0
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0answers
15 views

Number of markers depending on attribute

Is it possible to have a line vector layer where the number of markers is dependent on a particular attribute? e.g. I have the attribute "number of X" which depends on $length (number of X = ...
2
votes
1answer
67 views

How to use the field calculator in QGIS to determine the total of differents fields

I have an attribute table with 7 fields. I want my attribute " A1 " to be the total of " IP1 to IP5 ". I am not familiar with the request in the field calculator. How can I calculate the value of ...
2
votes
2answers
41 views

Expressions, Attribute Table

I'm new on QGIS, I have shapefile for the whole country and also have for Province down to City/Municipalities, is there any way on attribute table where I can filter using an expression for example: ...
1
vote
2answers
45 views

How to calculate X and Y coordinate of a surfacic layer in QGIS

I have a surfacic layer in QGIS 2.12.3. I need to calculate the X and Y coordinates for the centroid of my polygons. I created a new field in my attribute table. When I try to use the field ...
5
votes
7answers
259 views

How to join data from excel to an attribute table in QGIS without creating duplicates

I have an attribute table with two empty fields in QGIS. I want to import an excel database to fill my empty fields in QGIS. My excel file matches the columns in my QGIS attribute table. I am ...
3
votes
1answer
53 views

How to merge attribute table properties from one layer to another in QGIS?

I am using QGIS 2.2.3 (Lyon). I have a vector layer with a linked attribute table. In order to do multiple tests on the layer, i created a copy in a new layer. The attribute table on this new layer is ...
1
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0answers
27 views

QGIS QT .ui not displaying attribute table value

Following tutorial 6.3.6, Creating a New Form (the first introduction of Qt designer). Seems very basic. Create a point layer with two attributes: name (text 80) and age (text 80). Then in QT ...
1
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1answer
43 views

How to row differents column with QGIS?

I am working on a long riperian buffer that crosses the boundaries of 20 cities. My buffer is subdivided in the same layer, in 20 sections that correspond to the limits of the cities. Each section is ...
2
votes
0answers
38 views

How do I get Actual Truck Driving time to the Network Analyst?

I am new in working with the Network Analyst tool in ArcGIS. I am trying to find the closest facility to some assigned incidents. The result that I am taking after I solve the paths is in minutes. ...