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Questions tagged [symbology]

The set of conventions, rules, or encoding systems that define how geographic features are represented with symbols on a map.

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5 views

Use of consistent symbology across multiple stretched rasters in ArcGIS Pro

I have multiple rasters that represent the same thing (NDVI) at different times. Each of the rasters has a different range of values. I want to symbolise them using the same range of values (e.g. from ...
3
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1answer
35 views

How to style a polygon layer with symbols that indicates the value of an attribute of the polygon?

I want the same thing, but the number of dollars shown should indicate the value of the attribute of the polygon. For example one polygon may have 2 dollar icons indicating 200 (value of an attribute, ...
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1answer
20 views

Ordnance Survey MasterMap Symbols not appearing properly styled on QGIS

Using plugin OS Translator II on the Exeter sample database. Ticked the boxes "Add OS Styling Fields" and "Apply Default OS style" Connected to PostGIS database. All worked apart from the Symbols for ...
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2answers
31 views

What is the simplest approach to symbolizing points from a PostGIS-sourced layer by age?

I have a view in PostGIS that has a bunch of points and I want to symbolize in QGIS (3.2.2) by the age of the points. I am trying to use this expression (or something like it): day(age(ts, now())) ...
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59 views
+50

Drawing viewpoint-symbols in QGIS

I made a viewpoint symbol in QGIS by styling a point to be be a circle and adding some lines that are rotated at different angles, and it ended up like so In a perfect world I would rather this ...
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0answers
17 views

How is it possible to transfer the symbology of the layers defined in ArcMap to ArcGIS Explorer?

I would like to create an offline map in ArcGIS Explorer as it is strong for such a reason but I have just started to get to know this application. I have added all the layers (.lyr) from ArcMap in ...
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0answers
13 views

Symbolizing housing unit percentage by census tract in ArcMap?

I am trying to symbolize housing unit percentage by census tract. A few tracts have no housing units, due to no population. I want to symbolize these tracts differently than the rest. In other words, ...
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1answer
40 views

Setting one class in raster symbology using QGIS?

Is it possible in QGIS to exclude some values from the symbology and define only 1 class with 1 color for all the other values? I have hard time to find how to do it with the Singleband pseudocolor ...
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18 views

Unable to load Symbol in Web Map

We just installed portal 10.6.1, completely new environment... almost everything appears to be functioning normally except point symbology configuration will not load within a webmap . We're ...
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0answers
13 views

ArcGIS Online Symbology from related Table

I have not found a method of accomplishing this: I have a layer (and related tables) in SQL server hosted on ArcGIS Server 10.6.1 being consumed in ArcGIS Online Web Map. All this works great but I ...
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2answers
38 views

Need black and white dotted line on Map

Currently I am getting only a white dotted line in my map using the code below: style: new ol.style.Style({ stroke: new ol.style.Stroke({ ...
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0answers
16 views

Extract histogram from Layer Properties > Symbology > Classified for a raster?

Given a raster, within Layer Properties >> Symbology >> Classified >> Classify, it is possible to view the histogram of the values of all cells belonging to the raster. I'm trying to extract the ...
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12 views

Rotation in Advance Symbology Settings not rotating symbols

I open Properties, select Symbology, select Advanced > Rotation, I choose the double type numeric field titled ROTATION in drop-down, which has 90 for each feature, using Geometric, and select Rotate >...
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1answer
53 views

Getting and setting the symbol sizes for a graduated layer in QGIS 3

I have a whole set of maps that have graduated colors based on a set ramp and I also like to change the symbol sizes as it makes anomalous areas stand out even more. Id like to change the symbol sizes ...
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1answer
47 views

Finding line style for ArcMap?

I am running ArcMap 10.6 and I need a line that I thought would be included in the standard styles. It is the line symbol used when a polygon feature crosses a line feature and you want to show that ...
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1answer
16 views

Apply symbology to raster based on maximum raster value - arcpy

How can I apply different symbologies to rasters in a python script based on the maximum raster value? The script loads one raster, applies symbology and outputs an MXD and PDF of the map, then moves ...
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21 views

ArcGIS crashes when running arcpy.ApplySymbologyFromLayer

I'm one of the developers working on pyBRAT. We're working on making the tool automatically generate symbolized layers for the inputs. Unfortunately, we've run into a rare, but the repeatable problem ...
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1answer
25 views

Remove Theme from MapInfo TAB file

I have been supplied with a MapInfo TAB file and when opened in MapInfo 15.2 (64bit) the layer is displayed along with a Thematic Theme Layer. The symbology generated by the Thematic Theme no longer ...
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2answers
41 views

Displaying multiple symbols/patches for the one layer in an ArcMap legend

I'm mapping incidents of an invasive species on a map, where the observations during surveying were recorded as points and also a line where there was a long continuous strip of the species along a ...
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1answer
159 views

Understanding raster symbology settings

I am trying to understand how to use the symbology options for raster layers in QGIS, particularly the Resampling options, but the official documentation only mentions the setting very briefly and ...
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0answers
48 views

Symbolize Rubberband Tracker as it tracks

I am trying to symbolize a rubberband tracker as it is drawing. The default symbol is a simple black line. When setting the symbol of the line in the ScreenDisplay method and and calling ...
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1answer
16 views

Creating 2 symbology in the same layer on Mapinfo [closed]

New to MapInfo, I would like to create a High voltage layer with two different attributes (11 and 6.6) representing by two different colours on MapInfo. How can I do that?
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1answer
33 views

QGIS: Combine proportionte Symbology with graduate fill based on two different attributes

I would like to style a layer where the fill of the symbols should be graduated e.g. based on an attribute showing the "proportion of the female population" and the size of the symbols based on ...
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1answer
40 views

Style OpenLayers 3 cursor when drawing shapes

I have a feature that allows a user to draw a square or rectangle on an OpenLayers map. I would like to change the style of the cursor. The cursor is, by default, a blue circle. I would like to change ...
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1answer
23 views

Grouping A Single Layer Into Multiple Groups

I have a single layer that is divided up into "sub-layers" (there is only 1 layer). The "sub-layers" are shown in the Layers Panel with different names and colors based on location. I would like to ...
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0answers
33 views

How to set depth of line symbol in ArcGIS Online

I am using ArcGIS Online for my web application. I have a line symbol/graphic. I can set the width of the line symbol. But I need to set the depth of the line symbol (need 2.5D symbol/graphic). How ...
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0answers
8 views

Add rasterlayer with defined symbology in ArcPy

I am trying to add a raster layer in ArcPy with arcpy.mapping.Layer(Raster). By default, the layer is added with "Stretched" symbology. However, for further use of the raster, I need "Unique Values" ...
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46 views

Vary symbology of points by proximity

I have 1,000 point locations that represent hospitals, and I want them to be symbolized as different colored points. Since a map reader isn't going to tell the difference between 30 shades of red or ...
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1answer
18 views

Raster Symbology Calculate Area Acres

Using ArcMap, I am trying to classify/consolidate the symbology of these agriculture classes into 3 categories: Hay, Pasture/Grass, and Cropland. I also need to find the sum of acres of each of these ...
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1answer
126 views

Shapefile to GeoJSON with simple style

Does anyone know if there are any applications can support exporting Shapefile to GeoJSON and keeping the style?
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2answers
31 views

Making colours proportional to value field, continuously and not discretely as with graduated colours classification in ArcGIS Desktop?

Under symbology in ArcGIS, there's the option to graduate colours given a value field, a colour ramp, and some classification. How do you make the colour graduation continuous (rather than discrete ...
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0answers
14 views

Symbology of Outlines are Overlapping Instead of Layers

I have three layers, three symbologies. If I create a group layer, the symbols are rendered differently than if I create a merged layer of all three layers. Group layer: Merged Layer: Is there a ...
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1answer
36 views

Does QGIS Cloud support offsets for symbology?

I used the offset settings for symbols in QGIS 2.18 but when uploaded to Cloud, the offsets don't seem to exist. Can this setting be used in QGIS Cloud or is there an alternative?
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1answer
48 views

Scaling layer symbols from ArcMap to QGIS

I am recreating the symbology of a cartography moving from ArcMAP to QGIS substituting some font symbols in arcmap and reproducing them with new .svg symbols. The problem is that setting the size of ...
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1answer
44 views

Removing lines on coast side using ArcGIS Desktop?

I have a shapefile of European countries (with regional subdivisions) as well as a shapefile of lines. How do I delete all the lines on the coast-side, using ArcGIS Desktop?
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29 views

arcpy.management.ApplySymbologyFromLayer not applying to layer

I'm working on exporting image files of city populations. To do this, I'm working on applying symbology from an existing layer to each city layer and printing. However, when I run the following code, ...
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1answer
71 views

leaflet - divicon - How to hide the default square shadow?

For example, I write this: L.marker([lat, long], {icon: L.divIcon({html:"China"})}).addTo(map); I checked the documentation: By default, it has a 'leaflet-div-icon' CSS class and is styled as a ...
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1answer
51 views

How to remove single class from ArcGIS legend for graduated polygons?

I have the following legend item: I would like to remove the class in the red circle from the legend. In QGIS you can simply delete or remove it. How can one do this in ArcGIS without affecting the ...
2
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1answer
47 views

Changing number of classes in Symbology for ArcMap?

The goal is to style a polygon layer using graduated colors, something like -9999 < value < 0 --> some color 0 =< value < 0.1 --> some other color 0.1 =< value 0.2 --> some ...
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2answers
338 views

Creating graduated point circles in ArcGIS Desktop?

I have not been giving any data, but I have been told that I could be expected to recreate maps In ArcGIS 10. Below is an sample portion of what I may have to recreate. I have no idea how to get ...
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0answers
55 views

Lost symbology when converting vector file (DGN) to geojson through QGIS

I have Bentley MicroStation design file (DGN), which is a vector file, with different colours, styles, etc. I need to convert it to geojson - and I use QGIS for this purpose. But when I import it (...
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1answer
40 views

Highlighting using distinct color where features overlap in QGIS?

I have two species on my map and right now they are different colors. However, what I want to happen is when they overlap in the same spot, the color is a distinct difference from the other two colors....
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0answers
45 views

Create New Custom Symbology with QGIS

I am using QGIS for GIS maps, and data visualization. There are very few symbols available for marker, line and polygons. I want to create my own symbols, that i can later import into QGIS and then ...
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0answers
12 views

Automatically add Points to Line Symbol

I've got a printed Map. The points marked with arrow in the picture only appear, when line feature crosses a coherently polygon feature. You can see an example in the picture. When the line feature is ...
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0answers
11 views

mosaic rasters retaining original symbology

I am trying to produce an animation of surface runoff flow in ArcGIS 10.4 showing buildings change their colors when runoff of certain depth hits them (e.g., when flow depth<=10 cm, building remain ...
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2answers
70 views

QGIS style in Google Earth

I've been using QGIS for sometime its a great software, it suits my needs in my project until I encounter this issue in Google Earth. Are there any plugins or any "work around" method to be able to ...
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1answer
45 views

Change color of top of interstate shield in ArcGIS Pro

I would like to know how to change the color of the top of an interstate shield text symbol in ArcGIS Pro. The default interstate shield symbol is a blue shield with a red top. In the text symbol ...
2
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1answer
39 views

Creating a symbology value for “all other values” in QGIS 3.0 - clarifying question

This question centers the Symbology tab in QGIS 3.0. I'm working with categorical data describing event venues in the Chicago area. This is a point dataset which will be overlayed on a street basemap....
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0answers
21 views

Exporting shapefiles with symbology using ArcGIS Pro for use in ArcGIS Runtime

I have a set of shapefiles with elevation values in its attribute. In ArcGIS Pro, I have placed these shapefiles into a Scene as a 3D layer. Then I have added extrusion, and the shapefiles are ...
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0answers
73 views

Displaying flow direction using arrow in ArcGIS Desktop?

I created a flow direction raster out of a DEM using ArcGIS Spatial Analyst Tools/ Hydrology, so the directions are coded in raster values as displayed below. [http://desktop.arcgis.com/de/arcmap/10....