Questions tagged [filter]

To show, hide, extract, or remove particular data from a larger set, narrowing it down, or the specific criteria used to do so.

Filter by
Sorted by
Tagged with
0
votes
0answers
27 views

Apply a date filter to the vector layer

I am new to developement in QGIS. I use a the 3.4.4 version of QGIS. My vector layer is like this: So I want to know how to filter this data by date and apply the changes in the GUI. Here is what I ...
0
votes
1answer
12 views

ArcGIS API for Python geometric filter of feature layer producing Runtime Error: 'geometry parameter invalid'

I am trying to select a handful of features from an Enterprise Portal feature layer using the ArcGIS API for Python. Specifically I am trying to do a spatial selection, where the selected features are ...
0
votes
1answer
31 views

Not working formula in Query Builder (Filter)

I have been trying to filter a big dataset based on multiple values. The idea is to extend the formula as put in the image below. But even the first part doesn't work. When I do: "...
0
votes
1answer
13 views

Selecting only CFSR images in Google Earth Engine with precipitation data

I am trying to create cumulative monthly composites of precipitation from CFSR data in Google Earth Engine (i.e. each image would be mm/month for each month) However, I realised that images ending ...
1
vote
1answer
59 views

Filter geometry based on map extent using OpenLayers

I need to summarize an attribute of a geojson based on the map extent. I want to sum values for all features intersecting bbox. I think that I must use the Bbox filter but isn't clear for me how I can ...
0
votes
1answer
51 views

Select points at the end of a line [closed]

I have two layers in QGIS: "line" layer which consists of lines and multi-lines "Point" with points with attribute 'Code' How to write a efficient script in PyQGIS to find out ...
0
votes
1answer
23 views

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 ...
0
votes
0answers
23 views

GeoServer WMS XML request with NamedLayer filter

I need to draw a map with some custom features I don't have in database. I found SLD query that allows me to do that (https://github.com/geoserver/geoserver/blob/master/data/release/demo/...
0
votes
1answer
29 views

How to mask PCA on Google Earth Engine

I am trying to perform PCA on MODIS imagery. I got my code to run using MODIS (it also worked for Landsat), but when I mask my MODIS collection the PCA fails. This had to do with missing values, as ...
0
votes
1answer
32 views

Filter same Value Map to show specific values in different columns in QGIS

I am using QGIS 3.12.2 on Windows 10. I have created one large table layer to use as a ValueMap for multiple columns in a project. I need each column to show only the relevant values. I have tried to ...
2
votes
1answer
43 views

Can I use Kalman or any other filter on my trajectory data

I have a number of vehicle trajectories(telematic data) stored in a relational database, (Long, Lat, speed) in each second, the points are already map-matched as I have also the road ID from OSM. I ...
4
votes
0answers
56 views

Filtering in QGIS similar to dropdown in Excel

I have a large amount of point data that has so far been managed in an Excel list. In the future, these should be shown in QGIS. To convince colleagues of this, I am looking for a way to make ...
1
vote
1answer
36 views

GEE: date list to filter an image collection in Google Earth Engine

I have a CSV with a column of dates. I already imported the CSV, but I would like to know If I could use that column to filter an Image Collection. Just now, I wrote all dates and used a filter to ...
0
votes
0answers
20 views

Filter on distance point field and choice field

I have model shop shop class Shop(models.Model): CATEGORY = ( ('BookShop', 'Bookshop'), ('Bakery', 'Bakery'), ('Dairy', 'Dairy'), Shop_category = models.CharField(max_length=200, null=...
0
votes
0answers
28 views

Why doesn't this expression filter in my Value Relation?

Why won't this filter expression work? I have followed all the examples I can find but it allows no items to pass through the filter.
1
vote
1answer
48 views

DWithin implementation in GeoServer

I have a question about GeoServer comportment when sending a GetFeature request with a DWithin filter. <wfs:GetFeature version="2.0.0" service="WFS" outputFormat="JSON" count="10" xmlns="http://...
0
votes
0answers
27 views

Filter multiple fields in QGIS Query Builder

How do you filter multiple fields in QGIS' Query Builder? I tried using the following: "COUNTRIES" IN ('Thailand','Singapore') AND "ROAD_CATEGORY" IN ('Gravel Rd.','Asphalt Rd.') ...but it returns ...
0
votes
0answers
32 views

Filtering features based on attributes using IS NOT NULL does not seem to work

Trying to filter features based on whether one field has value or not. After looking up a number of web pages (including the two from this forum), I believe the expression should be: "name" IS NOT ...
0
votes
1answer
29 views

GEE Filters some tiles out

I have code that creates rasters from polygons based on statistics of NDVI. My problem is that for some reason, when the polygons are wide spreaded, the raster creation occurs only for some plots, but ...
0
votes
1answer
29 views

Removing one image from ImageCollection in Google Earth Engine

One image in an ImageCollection is giving me problems (2019030509) so I'd like to remove it. I am trying to use .filter.not() to remove by ID: var dataset = ee.ImageCollection('HYCOM/...
0
votes
0answers
14 views

How to filter multiples features on QGIS Atlas?

I trying to create an atlas with two different features, but want to show were both have with the same field "ROTA". I'm trying to use @atlas_featureid = $id on layer 'SetasRotas_dissolve'(line ...
0
votes
0answers
14 views

Google Earth Engine code editor - filtering images out of collection if they do not cover between 90% and 100% of specified geometry [duplicate]

I'm using the Google Earth Engine for a project, but when I try and process the data, spikes appear on plots for the dates where Sentinel-2 did not cover the entire geometry and thus says water levels ...
1
vote
1answer
59 views

Using map() to filter image collection iteratively in Google Earth Engine

I have an image collection which I want to filter iteratively using a list of tile id's to get the images corresponding to each tile id. So, I basically want to find an alternative for this code using ...
1
vote
1answer
45 views

Mask out pixels smaller than 1ha in Google Earth Engine

I am new here so please forgive any mistakes in this post: I have a simple script to classify cultivated area vs none cultivated areas using Sentinel-2 in GEE. I want to mask out all objects that are ...
0
votes
1answer
16 views

NAIP image convolution

I am new to image processing and coding and I am having trouble applying a lowpass and highpass filter to a NAIP image. I have practiced with Landsat 8 images with a successful output but I am getting ...
0
votes
1answer
36 views

Property Is not like. GeoServer

Which function/condition should I use to get the opposite of "PropertyIsLike" in GeoServer?
0
votes
1answer
107 views

L.Control.Search for filtered marker with multiple layer

I have two geojson layer. tram.js and ubahn.js, both with just marker, I use them in a filter and want to search for these filtered marker. But it isn't working and I don't get any errors. I used ...
0
votes
1answer
59 views

Filtering Esri Leaflet feature layers using setWhere() method

I have Esri Leaflet feature layers representing traffic accidents in multiple cluster marker groups. The cluster marker groups are created based on attributes that specify the geographic areas to ...
0
votes
1answer
112 views

How to average daily data to create a weekly estimate in Google Earth Engine?

I need to get weekly averages of AOD for CA for 15 years. The filter.calenderRange does not have a "week" options. I have filtered the data to the day level but am unsure how to average for the week. ...
1
vote
1answer
54 views

Google Earth Engine: Filter collection by system:index

I am trying to filter a Sentinel-2 collection by the system:index property. I have selected three specific tiles identified by its respective id, then tried filtering them from a collection using ...
2
votes
1answer
49 views

QGIS: LIKE-comparison with wildcard between value from table and value from atlas_feature for filtering an attribute table

I am trying to filter an attribute table in QGIS Print Composer based on the current active atlas feature: I have a table with an "id" column with and some records that have these values in the "id" ...
2
votes
1answer
55 views

Usage of geometryFilter in Planet.com API?

Question: Where to put the GeoJSON filter AOI into the existing Python script I wrote to constrain (or clip) the image download? Setup: I was recently tasked with writing a Python script to download ...
2
votes
0answers
22 views

Randomly filtering points in unevenly distributed point dataset?

I have a vegetation plots dataset which has unduly high concentrations of plots in certain parts of the dataset. I want to even out the concentrations of points so that there is a more even ...
0
votes
0answers
42 views

package RSAGA : rsaga.geoprocessor error INPUT with R

I'm a french student, in advance I'm sorry for my english. I'm using RSAGA package to apply Gaussian Filter in my Canopy Height Model (CHM = DMS-DMS). I try this with RSAGA package, see below... ...
2
votes
2answers
97 views

Complex filter expressions in QGIS

I want to filter a OSM file by several criterias by combining several AND and OR operators via Layer Properties -> Source -> Query Builder. My filter looks like: "highway" in ('secondary','tertiary','...
2
votes
2answers
185 views

Filter image collection to one specific date (Earth Engine)

I'm using GEE and I have many codes were I filter my imagecollection by using filterdate (and then I have date range) and then I work with the first image in the imagecollection, when I know from the ...
0
votes
0answers
14 views

Same filter on different GeoJSON, works on Firefox but not Chrome

I built a webmap with Leaflet and I'm almost done but I'm seeing a strange behaviour with Chrome. My filter is working fine on Firefox/IE but with Chrome, it works only on one layer (while my filter ...
1
vote
1answer
47 views

Grabbing the portal sign-on Username in WebAppBuilder and filtering records based on the user logged in

We have Arcgis Portal 10.7.1 set up with WebAppbuilder 2.51 Users sign in using their Enterprise logins. We also have a large Feature Service dataset (over 1 million records) with multiple account ...
1
vote
1answer
35 views

Median filter_invalid syntax

I would like to apply a median filter to an image (.tif). I looked for solutions in QGIS, and found a lot of possibilities to apply a mean filter, but none for a median filter. So I decided to try ...
0
votes
0answers
30 views

QGIS: Adding authors to print composer automatically

I have a problem that I can't get my head around and would appreciate even just a nudge in the right direction. My use case is a polygon layer 'All' that has two values, 'ID' and 'Author'. The ...
1
vote
1answer
61 views

QGIS - Aggregating in virtual field

I'm using Qgis 3.10. I have two layers, let's say A and B. In layer A, there is informations about construction work (one row by construction). Each construction has an ID (ID-A). In layer B, there ...
1
vote
0answers
66 views

Powerlines query in overpass turbo

Kindly advise or assist, I want to achieve following in overpass turbo: Map/display transmission lines (power=line) and distribution lines (power=minor_line) of a specific area in map. I used below ...
1
vote
1answer
82 views

Clip image collection to imported shapefile (region of interest)?

I am working in Google Earth Engine. Is it possible to clip the Landsat scenes to the boundary of my area of interest rather than just filtering down the number of scenes to those that touch the area ...
5
votes
1answer
55 views

Count values from another layer based on value of current feature

I have two layers. One is a shapefile of U.S. states where each state is labeled with the attribute STATE_NAME, and the other is a CSV data layer named rid with many points that are labeled with a ...
4
votes
1answer
42 views

Create centroids from point layer based on unique field names

I have a point layer in QGIS, which I want to filter by attribute values of a specific attribute column. For each unique attribute value, a centroid should be calculated from the respective features. ...
0
votes
1answer
36 views

Filter by day and reducing region by polygon using image collection in GEE

My overall program is here. I have an aerosol index that I already reduced for daily means: var countries = ee.FeatureCollection("USDOS/LSIB_SIMPLE/2017"); var Iraq = countries.filter(ee.Filter.eq('...
3
votes
2answers
80 views

Filtering layers in QGIS atlas while displaying them in the canvas

I would like to create and atlas that instead of displaying all the features within a layer, it only displayed those related to the atlas. Certainly, I could do as this excellent answer suggests, ...
2
votes
1answer
162 views

GeoServer shows 404 error when CORS filter is added

I am trying to enable the CORS for GeoServer. I am using GeoServer 2.16 and the Tomcat version of 9.0.8. I already tried to add following code in geoserver/WEB-INF/web.xml file, <filter> &...
2
votes
0answers
34 views

Create a report with filter from different layer using Atlas

I have the following scenario: Layer ‘grid’, with a field called ‘number’ Layer ‘log’ with field called ‘number’ in common with ‘grid’ layer and another field called ‘date’ Layer ‘problem’ with field ...
1
vote
1answer
31 views

No output is being generated by ArcPy's MakeFeatureLayer method

I have a feature class that I would like to filter by an attribute and write the result to a new feature layer. I can achieve this with a simple one-liner in the R programming language, but I need to ...

1
2 3 4 5
9