Questions tagged [rule]

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4
votes
1answer
39 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
26 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
55 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
58 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
72 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
128 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
249 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 ...
8
votes
1answer
213 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
476 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
504 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
271 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
80 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
287 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....