Questions tagged [rule]
The rule tag has no usage guidance.
16
questions
1
vote
1answer
30 views
QGIS rule based styling - rule ordering
I’m experimenting with some rule based styling which is working really well to a point but I’m hoping it can do more. I work in school transport I’ve plotted all pupils in a certain school on the map. ...
1
vote
1answer
26 views
Problem with SLD Style definition - Filters in Rules
I created a style in QGIS, exported in SLD and imported in geoserver. However validating throws me errors. I tried a lot of variants according to geoserver documentation and stackexchange solutions ...
4
votes
1answer
42 views
Checking if value from one column is in multiple other columns
How do you write an expression for a style rule that will check if the value from column A exists in columns B, C, D & E?
I have a polygon layer that I would like to flag with a style depending ...
1
vote
2answers
50 views
Problem SLD LineSymbolizer
How can I solve this problem with my SLD code for styles. When I do two scale ranges for a one lineSymbolizer to use another color or another thickness they appear twice in the legend of my viewer ...
0
votes
2answers
65 views
Random behaviour with rule base labels (v3.4.1)
I have a layer with rule based labelling enabled. There are two label styles: a base style for all labels (no filter) and a highlight style which is intended to apply to features with a particular ...
3
votes
1answer
89 views
QGIS Put a label only on selected polygons
I'd like to labelling only some polygons of a layer which are inside another polygon from another layer. Have you an idea how to do this? May be with a label rule?
0
votes
1answer
29 views
Filtering stores location with login rules using GeoServer?
I want to filter the location/directory proposed by the stores, with the login rules.
More clearly, If my user "John" can only access/admin the "JohnWorkspace", I want he saw only one directory "...
0
votes
1answer
97 views
Based on what rule does Raster Calculator produce output when the input rasters are misaligned?
Taking into account the following assumptions:
we have 2 rasters (satellite images from different satellite platforms) of the same pixel size, same coordinate system, little bit misaligned, Snap to ...
1
vote
1answer
164 views
Connecting Add Feature Class to Topology to Add Rule to Topology in ModelBuilder?
I have a question regarding to how to connect the outputs of "Add Feature Class to Topology" to "Add Rule to Topology" in ModelBuilder.
As the picture shows, I want add a rule called Must Cover Each ...
1
vote
1answer
277 views
QGIS layer style rule copy+paste bug?
I want to create several rule based styles on a layer. The rules are very similar, therefore I copy the first one then paste it multiple times and make the slight modifications on the pasted ones. The ...
9
votes
1answer
243 views
cumulative atlas in QGIS 2.14 and above?
I have a question about something which I think is possible but just can't get my head round it, and haven't found any answers online. I'm using $id= @atlas_featureid in QGIS 2.14 to create an set of ...
5
votes
2answers
518 views
How can I apply a style rule to multiple categories? (2.14 and above)
I think this used to be more straightforward in earlier QGIS versions, but with more powerful rule-based styling (great development) I am now a little confused as to how to apply a rule to multiple ...
8
votes
4answers
583 views
Showing only point markers when labels are shown in QGIS?
Is there a chance to define a QGIS style rule to just show point markers when their label is shown?
My aim is to exclude all points which are not labeled because of collision between labels.
...
1
vote
1answer
293 views
Styling features based on a custom rule using GeoTools
I have a Java swing app which loads lines shapefiles which represents a road system. I want to show the congested roads on this map with a separate style.
My current approach
I have two attributes ...
3
votes
0answers
82 views
How to use a conditional logic on Impervious Mapping
I am trying to use a logic ( rule -based classification ) to extract built-up area, similar to as suggested by Xu (2007).He uses, three spectral indices, SAVI( Soil Adjusted Vegetation Index), NDBI ( ...
0
votes
1answer
317 views
Can I make a rule in Openlayers2.13 in which I will have multiple properties and values
Can I make a rule in Openlayers2.13 in which I will have multiple properties and values? This is what I have now:
new OpenLayers.Rule({
name: "NORTH",
filter: new OpenLayers.Filter....
