Questions tagged [spatial-filter]

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Adding and filtering layer with map canvas extent using PyQGIS

I'm creating a small QGIS3.16 plugin with PyQGIS. I'd want to add a vector (PostGIS) layer to QGIS, and immediately filter it with the QGIS canvas extent. I found the QgsFeatureRequest(rectangle:...
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  • 369
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Filter collection of images with selected geometry

I am developing an application to analyze the images of the districts of a region. I select the districts this way and it works fine (see image) var selectd = ui.Select ({ items: Object.keys (...
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1 answer
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Mode Spatial Filter

I want to run a Mode filter (for example: 3*3 pixel) on the classification result in Google Earth Engine. But I can not find the command of this filter.
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2 votes
0 answers
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Fill gaps in a categorical image with neighbors values in GEE

I'm reclassifying a DEM asset into 6 categories. However, there are some pixels that don't meet my criteria and are null. I would like to find a way to fill these gaps depending on its area and its ...
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1 vote
1 answer
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Spatial Overlapping - Filter by % of Coverage

I am working with 2 Polygon Shapefiles: parcels & wetlands Essentially what I want to accomplish is to filter the parcels dataset, where I only keep parcels that contain less than 50% Wetlands. ...
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2 answers
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fes:DWithin throw parsing Error upon upgrade of geoserver from 2.13 to 2.18

We are using geoserver to do some wfs filtering. It was ok until we switched from version 2.13.0 to 2.17.2 first, then up to 2.18.2 (because we hoped the pb would be solved with newer version). ...
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  • 115
2 votes
1 answer
62 views

Designing a Low Pass Filter

How can I design a similar Low Pass Filter as given below which takes into account only 4-connectivity and ignores the pixels that complete 8-connectivity?
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1 vote
1 answer
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Create feature collection of polygons' centroids in GEE

I am trying to determine the distance between province centroids and a polygon. Based on this past post, I was able to store the geographic coordinates of the province centroids into their feature ...
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1 answer
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Is there a way to filter results in the attribute table of a point shapefile by the extent of a second polygon shapefile in QGIS?

I am currently trying to temporarly filter data with in the attribute table to a confined area defined by a second polygon shapefile. The data set to be filtered consists of 100s of points that extent ...
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  • 117
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0 answers
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Stitch together images taken at similar times from different satellites

I assume this is a very common problem, but I don't know where to start. Given two Google Earth Engine image collections (both containing a timeseries of images and multiple scenes), how can I ...
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  • 121
2 votes
2 answers
373 views

Does ArcPy (Standalone) have option like Spatial filter?

I want to get the polyline features intersecting with a polygon geometry and having a particular field values in ArcPy standalone script. There is another link for similar subject but it is not for ...
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  • 69
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2 answers
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Applying low pass/median filter over DEM in GeoTIFF format using ArcGIS Desktop?

I want to apply a median/low pass filter (over a few hundred kilometers) over my DEM to reduce the noise. I tried ArcGIS focal statistics tool but no luck. I got a blank GeoTIFF file. How can I do it ...
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1 answer
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Select by Location (Between two layers) - ArcObjects C#

I have two Point Feature Classes - Say FC1 and FC2 - added in the current map I want to Select Features from FC1 that intersect with Features of FC2 This can be easily done with ArcMap's Select By ...
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3 votes
0 answers
303 views

Framing of WFS GetFeature request using polygon intersect filter

I am trying to frame a Web Feature Service GET Request applying the INTERSECT filter but I am getting the following error. : <ows:ExceptionReport xmlns:ows="http://www.opengis.net/ows" version="1....
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1 vote
1 answer
2k views

Looking for documentation of OGR SetSpatialFilter

I need documentation on how to apply a spatial filter (using OGR's SetSpatialFilter). Setting the feature layer by which another layer should be filtered seems rather straightforward. But, how do ...
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2 votes
1 answer
798 views

What is the correct way to apply a SpatialFilter on a Layer using GDAL & Python?

I'm looking at Selecting those Polygons in One Shapefile which are contained inside the Polygon which is stored in another Shapefile. I have managed to make some progress, and I have modified the ...
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