The extraction of data from a database based on some criteria.
2
votes
2answers
222 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 ...
0
votes
1answer
12 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
1answer
70 views
How can i select many rows from a table?
I want to create an action that select many rows from PostGIS table to show many lines in QGIS.
How can i select many rows from table with python to add these rows in a layer?
Thank you
0
votes
1answer
108 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 ...
3
votes
0answers
43 views
Select by location not working properly after using Multipart to Singlepart
I'm having issues using Arcgis 9.3 and the multipart to singlepart feature and then selecting by location.
Basically I'm able to run the multipart to single part feature to split up some of my ...
2
votes
0answers
55 views
How do I select all polygons in a layer that border 2+ polygons in the same layer?
My data consists of equal-sized polygons. I need to identify and select all the polygons that border two or more polygons.
2
votes
0answers
67 views
GeoTools, add column in query with CQL
I'm trying to query the database (DataStore) and want to let the datastore calculate a value for me.
In SQL I would do it like this:
SELECT name, ST_Area(ST_Intersection(the_geom, ....) AS myValue ...
2
votes
0answers
165 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 ...
0
votes
0answers
27 views
Refresh WMS Select Control
I use WMS layer in my application and I need to refresh it with new parameters.
I did refresh the WMS layer correctly but I couldn't find a way to refresh its select control. So I got the new layer ...
0
votes
0answers
38 views
Selecting a Polygon based on the location of a point
Currently I have a polygon layer made up of three shapes. All the shapes are listed in the attribute table. One of these three shapes intersects a point. I would like to select just the shape that has ...
0
votes
0answers
92 views
Looking for select by location and select by attribute plugin/widget for ArcGIS silverlight API
Silverlight is very powerful development tool for webGIS . i'm new in using ArcGIS silverlight API and try to learn it from ArcGIS API for Silverlight . it's very interesting and helpful website but ...