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

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1answer
677 views

Is there a Select Feature by Attribute tool for Feature Classes when performing selection ModelBuilder?

I want to perform a Select by Attribute selection on a Feature Class in ModelBuilder, but I know the Select by Attribute tool does not work in this situation. I need to perform this function as I ...
9
votes
1answer
2k views

When iterating over a vector layer with pyqgis, how do I check whether a feature is selected?

While iterating over a vector layer using the following code (summerized from the example in the pyqgis cookbook), is there a way to check whether a feature is selected? provider = ...
3
votes
2answers
139 views

How can I select “ultimate perimeter” from a group of connected lines?

I have a number of drawings which I converted into geodatabase feature classes. Most drawings are composed or connected 3D polylines from which I want to construct TIN surfaces and multipatch ...
2
votes
2answers
2k views

How to split single shapefile into many, and use them as geoprocessing extents in ModelBuilder

I am trying to do the following things using ArcGIS model builder. select by expression to output feature class. use output feature class as spatial extent raster to point The main goal is to ...
3
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2answers
538 views

Problem with multiple feature selection

In an attempt to retrieve all features (point geometry) that fall in a selected polygon, I get the error this.layer.addFeatures is not a function. My code is as shown below: function ...
2
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2answers
472 views

Selecting Part of a Polygon

I have a dataset, in shapefile format, for agricultural land grades in England. It is divided into 7 categories in its attribute table. As the file is a large file and I only want a small section I ...
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
326 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
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2answers
448 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
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2answers
414 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
1k 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
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0answers
240 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
142 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
585 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. ...
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vote
2answers
705 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
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1answer
150 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
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2answers
421 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
765 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
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2answers
1k 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
579 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
2k 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
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4answers
4k 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
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1answer
342 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
4k views

How to choose selectable layers in ArcMap 10?

Maybe I'm missing something, but 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 ...
12
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4answers
4k views

What is quickest way to select polygon by point in ArcGIS 10 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 ...