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

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3
votes
3answers
2k views

Missing tools (icons) QGIS

I lost selection and navigation tools from the GGIS 1.8 toolbar when I tried drag then to different place. I can't get them back anymore. Where they disappear? All these tools are checked but are ...
3
votes
2answers
353 views

Listing features in the order they were selected

This is an ArcObjects-specific version of this question: Create Array From Selected Features Based on the Order in Which They Were Selected Is there a way to get the selected FIDs of a feature layer, ...
3
votes
2answers
520 views

Unable to select Vector Layer

I am using the following example, to select a vector layer feature on click. The example demonstrates Highlighting and selecting the layer. I was able to successfully implement the Highlighting of the ...
2
votes
2answers
519 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 ...
2
votes
2answers
2k views

How to select multiple polygons or points from WFS or WMS and getFeatureInfo

Is there a way to select multiple polygons and/or points from a WFS or WMS service and then get the feature information for each selected item? There are numerous examples on the OpenLayers website ...
2
votes
0answers
283 views

Select only features within the layout view

I want to create a tool layer in ArcGIS10 that will select only features within the current layout view so that I can add the attribute table to the layout and only show attributes for the selected ...
1
vote
1answer
147 views

Button that allows project search and zooms to site once executed

I am trying to create a button that will execute a Python script. I have limited Python experience. What we are trying to accomplish is to recreate these steps: Query on project Site and Radius ...
2
votes
2answers
718 views

Zoom to Selected feature, without using 'current' in python

I am wondering if it is possible to build a zoom to geoprocessing service without using 'current' for the mxd variable in pyhton. Using 'current' my tool works in arcmap, but not in my gp service. ...
1
vote
2answers
1k views

How to modifiy how selection highlights are displayed? [closed]

I have got a layer of points that are showed with a litlle symbol. When I select one, a red square comes around it. The problem is that this points are inside other layers (polygons) and some of them ...
3
votes
4answers
2k views

How do I create a mask where the masked area can be changed by selection?

I'm working on making a mask in QGIS to have one area(county A) outlined while the other areas(counties) are under a semipermeable layer. I already know how to do this for one selected area. But my ...
0
votes
1answer
156 views

Selection not displaying all results in QGIS

I have a point layer. Of which I have just selected 15 points from the attribute table manually and say show selected attributes. Of these 15 one point does not get highlighted the rest do fine. When ...
0
votes
2answers
539 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 ...
3
votes
1answer
949 views

How do I fire a function after all features have been selected by a box in OpenLayers?

I have a map rendering with Polygons on a Vector layer set up as features. I set up the features so they fire off a function when the feature is selected and this works fine. The issue I'm having is ...
28
votes
2answers
2k views

Is there a “Select by Attributes” plugin/widget for ArcGIS Server JS API?

I'm hoping to find some existing code which emulates the "Select by Attributes" dialog in ArcMap, within the ArcGIS Server JavaScript API. Writing a hard-coded QueryTask is easy - I'm looking for ...
2
votes
3answers
655 views

Select “interior” lines of a polygon-to-line layer

I have a polygon featureclass that has adjacent features. Using Arc10, I am turning those polygons into lines using the "Featureclass to Lines" tool. Now I would like to select ONLY THE INTERIOR ...
4
votes
1answer
3k views

How to select and copy a group of polygons in QGIS?

I'm new to QGIS. I opened a few shapefiles that cover Europe. Now I want to select a smaller area and if possible copy the polygons in this area so I can work with a smaller set. How should I do this ...
4
votes
4answers
5k views

Automate Select by Location

I have 2 shape files (A and B) each with thousands of polygons. I want to select polygons from A which intersect a specific polygon from B, and save the selected polygons from A as a new shapefile. I ...
2
votes
1answer
375 views

OpenLayers deploy: what libs does selectFeature rely on?

I am trying to minimize my code by modifying OpenLayers deploy configuration file in order to reduce its load time. However, It seems that I can't include all necessary libs that ...
6
votes
1answer
3k views

How to select multiple Features from multiple Layers in OpenLayers?

Is there a way to select multiple features from multiple vector layers by using clickTolerance in click? I checked the documents of getFeature control and selectFeature control, seems not work in ...
7
votes
1answer
5k views

Setting which layers are selectable in ArcMap?

I cannot figure out how to toggle selectable layers in ArcMap 10. In 9.3, I remember being able to choose from a list which layers I wanted to be able to select features from in the map. Let's say ...
14
votes
4answers
4k views

Quickest way to select polygon by point in ArcGIS Desktop using ArcPy?

I keep thinking that I must be missing something, but there does not seem to be a tool in ArcGIS 10 to select features (in particular polygons) from a layer at a point (X,Y) location via ArcPy. The ...