The selection of data from a database based on some criteria.

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4
votes
2answers
54 views

QGIS 2.4.0 How to display only selected features on map?

Not sure if this option ever existed, but the new QGIS version hides a lot of things somewhere else and this seems so simple that I'm kind of convinced it was possible to do this before. I have quite ...
2
votes
2answers
395 views

onSelect sometimes firing before onUnselect

I have a map that displays satellite coverage zones. Some of these coverages overlap. I am using the SelectFeature functionality to fire off onSelect and onUnselect events. However, when moving ...
1
vote
1answer
156 views

ArcGIS wmslayer select feature android

I am using ArcGIS Runtime SDK for Android and it supports wmslayer but there is no sample or code for selection feature with using wmslayer. My app shows the map getting data from my wms server. Do ...
1
vote
1answer
86 views

Select polygons by attribute belonging to another layer

I'm a recent QGIS user. I have a shapefile A with a series of polygons indicating land use of an urban region (urbanised areas). Now I want to select them in relation to a second shapefile B with the ...
0
votes
1answer
781 views

Having trouble selecting polygon from existing layer (using OpenLayers.Control.SelectFeature)

I am hoping someone can point me in the right direction. I am not a programmer, so that is my first roadblock. ha The problem: I have an existing polygon layer and I am trying to select one of the ...
0
votes
2answers
200 views

javascript function to search all OpenLayers vector features covering a pixel

I have an OpenLayers map that draws features in a vector layer. The features are selectable and have a popup on select. Unfortunately in a lot of cases the features overlap so it can be impossible to ...
2
votes
1answer
53 views

vb.net ArcObjects is there a function the same as “Select Features by Polygon” of ArcMap's tool

I want to know whether there is a function provided by ArcObjects (vb.net) to realize the "Select Features by Polygon" on ArcMap (shown below). I am using VS 2012 (vb.net) and ArcObjects 10.2.2, ...
2
votes
1answer
44 views

Select same / select similar in ArcGIS

Can a "select similar" right click (two clicks total) like in AutoCad be created in ArcGIS as an addin or something python-related? It is listed on their "ideas" page here: arcgis ideasSelect ...
1
vote
0answers
12 views

Making point selection tool using ArcObjects with VBA? [duplicate]

I want to make a selection tool that I can use to select a feature point in ArcGIS for Desktop so I can combine it with a form that I just made to display the form after the feature selected. I use ...
3
votes
1answer
729 views

How to highlight on mouseover without wiping out select control

I am trying to highlight features of a vector layer as the mouse moves over them. I can make this work. I'm also trying to make the features selectable and have a popup box when they're clicked. this ...
1
vote
5answers
174 views

Deleting features (rows) from shapefile (attribute table) using ModelBuilder?

I run into a problem and can't figure out how to solve this one. I use the ModelBuilder and have a shapefile with loads of information. This information needs to be reduced. Therefore I want to ...
1
vote
1answer
69 views

How to transpose reclassified field values from one polygon shapefile to identical polygons of another shapefile?

I used vector output from modeling software as clip features for ecoregion input. I reclassified and dissolved the clipped layers into 3 subunits, and now would like to transpose those simplified ...
1
vote
1answer
45 views

How to show a selected polygon feature, using a single marker in its center

I've been asked to replicate a map where the selected polygon is shown with a red tick/check mark: I need to tell ArcMap to use this symbol when a polygon is selected, so that un-selecting the ...
1
vote
0answers
58 views

How to combine three data extraction functions into one button?

I am looking to simplify my code. As of right now I have some code that allows users to extract GIS data in three different ways: Extract by drawn extent Extract by extent of the a county Extract by ...
0
votes
2answers
47 views

How to set Merge output as Select Input in ModelBuilder?

I'm using ModelBuilder. I tried to take the Output from the Merge tool as Input to the Select tool. But it doesn't work. I'm trying to Merge 90 Shapefile lines into one. Then "Select" some features ...
1
vote
1answer
49 views

Finding Code in QGIS Select Features Toolset

Can anyone tell me in what directory the pre-installed Python scripts for the QGIS selection tools (i.e., Select by Point, Select by Polygon) are found? I am using on a Windows 7 installation of QGIS ...
1
vote
0answers
37 views

How to determine distances of points from closest line? (Mapinfo or QGIS) [duplicate]

I have a set of points and a set of lines. I'd like to know distances of the points from the closest line... answering the question "how many points are within 500m to 1000m of one of the lines, how ...
-1
votes
1answer
43 views

Esri ArcGIS 10 - using ArcPy to select buffer line by length

I created a buffer, then converted polygon to line (around a city block). I want to select the internal line. I'm thinking since there is no uniform way that ArcGIS labels the interior or exterior ...
1
vote
0answers
49 views

Programmatically selecting features by polygon

Expanding upon this post how could you use QGis to programmatically draw a selection polygon and select features within the polygon? I have been using QgsMapToolEmitPoint(self.canvas), to find and ...
1
vote
1answer
28 views

Openlayers active select control on layer prevents drag and zoom

I've build this web-map http://gimoya.bplaced.net/Openlayers/Trails/map.html with bike-trails (retrieved from a KML on my webserver), where several trails from a region are covered by a selectable ...
2
votes
2answers
118 views

How to populate fields for line segment with value from polygon to left and right of it?

I have a countywide roads dataset that is used by an emergency dispatch system. There are two fields, "Comm_RT" and "Comm_LT", that need to be populated by the name of the community polygon they ...
0
votes
1answer
23 views

Trouble Using Selection Expression in QGIS

I am trying to use the selection expression box to highlight counties by state FIPS. When I use the OR conditional all counties across the US get highlighted. So for example, STATEFIPS = 1 will ...
1
vote
2answers
92 views

How to select island polygons witin the same polygon layer?

i have a dataset containing many polygons. In this dataset some polygons have other polygons (as a donut) inside of them. So those island polgons are contained by only one polygon but it originated ...
0
votes
1answer
81 views

Clip and ship by a queried layer extent and by user defined extent

I am trying add a functionality to the clip and ship script. I would also like the users to extract data by the extent of a queried feature layer. For instance, if County = "Alameda" then extract data ...
0
votes
1answer
437 views

JavaScript API - Query and Edit point from Feature Layer

I am attempting to recreate the ESRI example for attribute inspections (https://developers.arcgis.com/javascript/jssamples/ed_attribute_inspector.html). I am having an issue when I create my feature ...
1
vote
2answers
359 views

OpenLayers: WMS layer above select-controlled vector layer?

Is it possible to display an image layer (WMS or Image) above a vector layer with activated SelectFeature control in OpenLayers? The image layer (radar returns) contains only sparse, semi-transparent ...
2
votes
3answers
134 views

Select layer by attribute: return top 3 records

I have a feature class in a file geodatabase using ArcGIS 10.1. I want to create a model that selects the three features with the highest values in one field (Average Price). Basically I want my ...
0
votes
1answer
68 views

Copy selected features to another feature class

I had two polyline feture classes representing the same objects that I spatially joined together to reconsile/consolidate data about. At the time I was directed to remove some features from the ...
1
vote
1answer
74 views

Select point with highest value within a buffer

I work with ArcMap 10.2.1 and I created buffers around points. Some buffers contain many points and others just one. I would like to select one point for each buffer, but the points can represent ...
0
votes
0answers
28 views

Select feature or graphics for editing geometry

i research about selecting feature or graphics for editing geometry and i found geometry editor sample but in this sample only you can add new feature after adding, you can not select and edit. Now i ...
0
votes
1answer
79 views

Best Way to Get a List of Selected Rows for a Specific Layer using Layer Object in ArcGIS

What is the fastest/cleanest way to get a collection of rows that are selected in a certain layer? For some background, I am trying to hide selected features in a specified layer. The solution ...
0
votes
0answers
20 views

Assign feature actions in QGIS--too many actions run at the same time

Using QGIS, I'm assigning actions to a polygon layer whose features are based on extents of hundreds of maps of a variety of files (including DWG, DGN, PDF, jpg, etc). However, since some of the ...
0
votes
1answer
43 views

Selecting few biggest polygons within class

I have polygon shapefile with objects that have 'class' and 'area' values in attribute table. I want to select five biggest polygons in each class. I can't do it manually because of large number of ...
0
votes
1answer
54 views

How to select landlocked countries in Africa using Select By Location?

I wish to select the landlocked countries in Africa using just Select by Location. I have already dissolved the boarders to get one big polygon and I thought I might combine these two telling ArcGIS ...
1
vote
1answer
44 views

Python script to select a point within a cell?

I have two features: points and grid cells (vector). I want to select a point within a grid cell (some cell do not have point) using python script and create a new feature layer with below conditions: ...
0
votes
0answers
94 views

Selecting WMS Layer on hover - Error Openlayers.REQUEST.GET params

I have wms baselayer and wms shapefile. I want to select the wms shapefile feature while hovering and change its color. I tried SLD Select and adding Selecting and Hover Vectors separately, but ...
1
vote
2answers
100 views

How can one select only displayed features using the select by rectangle tool? [closed]

I have a shapefile with many features, only some of which are displayed. I'm using the "Select Features by Rectangle" tool (the one where you click and drag a box over the features you want to ...
8
votes
2answers
320 views

Simple way to detect/select border polygons of a shapefile

I am looking for a simple way to detect/select border polygons of a shapefile. Border polygons are here polygons that are not completely surrounded by other polygons i.e. polygons located at the ...
0
votes
1answer
586 views

replacing dijit.ComboBox with dijit.Select results in error (ArcGIS Javascript API)

I am currently populating a Dojo ItemFileReadStore with the results of an ArcGIS query (Javascript 3.4 API), which is then passed to a Dijit COmboBox. I am now having problems with the ComboBox in iOS ...
2
votes
2answers
1k views

How to select features in ArcGIS based on their relation to other features within same layer?

I want to select all the features in my Waterlines layer that share a line segment with other features in the same layer. I've done a complicated search cursor iteration in python that takes a couple ...
3
votes
1answer
61 views

How to select an limited TOP n from a specific column in arcgis query builder

I'd like to know what is the best way to select a limited top 'n' of rows from a specific column of a geodatabase file. Currently I use a function in the query builder of the select tool (arcgis10) in ...
5
votes
1answer
302 views

How to select specific row in attribute table using ArcPy (without iterating through whole table)?

I am using ArcGIS 10.2 and have assumed until now that it is possible to select a specific row in an attribute table. However, I can't seem to find a way to do this. The only available methods seem to ...
0
votes
0answers
26 views

Selecting features through a many-to-one relationship

I want to select multiple counties based on the occurrence of a species present within them. I have a County polygon layer with CountyName as an attribute, a flat table called tblSpCnty with the ...
0
votes
1answer
57 views

Call Identify Click Function on Dropdown Change

I am a web programmer with no GIS experience and I am working with a GIS specialist with no web service experience. I am using the JavaScript API 3.7 but I am not very familiar with the API. I have ...
1
vote
0answers
61 views

select remove layers not working second time

http://www.youtube.com/watch?v=qxVO0tFdiuA&feature i captured video. You can watch. Now i explain my problem. Firstly, when i create popup and in popup menu when i call function and select ...
0
votes
2answers
3k views

OpenLayers Select a feature from attribute or id

Using Openlayers.....Is it possible to select a feature on a map by an attribute? eg: Select a feature from a dropdown menu populated with the feature "id" or a table field attribute values.
1
vote
0answers
93 views

How to select and highlight feature by attribute

I have the below code which does a select by shape on my arc map how do I achieve this with attributes 1.The map has only one layer 2.There is a filter for the attributes on features Below is the ...
4
votes
1answer
2k views

How to Export Selected Feature to New Shapefile Using ArcPy?

I currently have a search cursor iterating through a shapefile in ArcGIS 10.1 that selects a feature and runs a viewshed analysis on that feature (and only that feature). What's the easiest way to ...
0
votes
1answer
23 views

QGIS 1.8 or 2.01 select entries in .shp file that match a field entry [duplicate]

I've got a .shp file with 40k points (trees) in it. One field is the species name. Is there a way to select those entries that match a desired field name e.g. 'black walnut' so I can move them to a ...
0
votes
2answers
406 views

How to Select By Location with matching attribute?

I have a whole bunch of overlapping polygons (buffers), I want to select with points only those poly's which: the point falls within; and the poly attribute matches the point attribute What would ...