Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [symbology]

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

0
votes
1answer
22 views

Find out the min and max symbology for each band at the command line

I would like to automate the process of getting the correct symbology min/max scale for each of the RGB bands via command line. My use case is I am converting multi-band GEOTIFFs to JPG using the ...
0
votes
0answers
18 views

Uploading USGS topo symbols in ArcMap? [closed]

This is a two part question... I have searched GeoNet and Esri help without success a) How do I restore the default symbols to my desktop version of ArcMap? I think I am missing some symbols b) I ...
0
votes
0answers
8 views

Update raster symbology when setting the source to another layer in ArcMap?

I have several raster layers for the same type of data, but for different areas. Is it possible to somehow use the symbology (like colors, breaks(standard deviation), 0 number of decimal places etc.) ...
0
votes
0answers
26 views

Defining ArcMap group layer colors automatically? [closed]

I am new to ArcMap. In a group of 12 layers polygon lines (12 months) I would like to define the color of each line automatically using rainbow colors, or better a color ramp. Is that possible and ...
1
vote
0answers
12 views

ArcMap Graduated symbols: Color and size

Is there a way to get graduated symbols with two quantities being shown? I am making a map with bus stops where I need to show two quantities both of which are continuous. - Symbol size: For ...
3
votes
1answer
23 views

ArcGIS 10.2.2: How to display attribute values using a representative number of symbols?

I am using ArcGIS 10.2.2 Advanced. I want to produce a map where the value of attributes in each polygon is shown by a representative number of symbols in each polygon. I have used Quantities > Dot ...
3
votes
1answer
84 views

Styles with parameters

I'm using QGIS 3.4 , and without going into python scripting, is there a way I can create some kind of rule based styles where I can add a parameter? I have a number of layers, each with between 1 ...
1
vote
1answer
41 views

Categorized symbols are not working in QGIS 3.4

I'm trying to generate categorized symbols for a polygon layer in QGIS 3.4. The code below should generate random colour polygons for each record of 'run' layer and I'm not getting any error message. ...
1
vote
0answers
14 views

Editing Symbology based off two qualitative attributes using ArcGIS Pro?

I have a map that shows the location of businesses. The underlying table also includes number of employees per company as well as industry. I know how to tweak the symbology to make my points use ...
1
vote
1answer
16 views

Show differenet SVG icons on one layer at runtime

I need to show several SVG icons (more than 388 icons) with different name on a single layer(if possible on memory layer). I am using QGis 2.8 and qt4.8.6 The icons represent different kind of ...
3
votes
3answers
154 views

Changing field types so graduated symbols are available

I can't seem to make graduated symbols work. When I try to click on my column it doesn't show any options. I think these is due to those columns being formatted as text and not number. Any ideas how ...
0
votes
0answers
17 views

QGIS: Move label with the associate Object concerning the label

I have create some layer with different method to add label to these layer. Now i have a shapefile that contains the data for labelling two different shapefile: the position from the label is ...
0
votes
2answers
35 views

Providing multiple shapefiles belonging together in single file with predefined symbology in ArcGIS Desktop?

There are multiple shapefiles which belong together and should be provided in a single file with predefined symbology (see figure). Is there an option to do so? Currently, the shapefiles are bundled ...
3
votes
0answers
22 views

How to render features that are just outside the map canvas extent in QGIS 3.4?

I am trying to generate a cloudy mask, following the recipe in "Qgis Map Design 2nd ed. Edition". For the most part, I have it working. But when panning around, the mask changes. And I think that ...
1
vote
0answers
18 views

How to make a QGIS 3 Layer refresh after a joined data source is updated

I have a layer of ZCTA features that is sourced from a SpatiaLite table that is joined to an Excel spreadsheet and rendered with categorized symbology. That all works fine. The join configuration is: ...
2
votes
1answer
45 views

How to create a symbol with directional arrows in QGIS 3?

This is the same as this question for ArcGIS: Creating Directional Flow Arrows for sewer lines? but for QGIS. I tried to follow the same approach as in ArcGIS, but I keep missing the mark. I think I ...
0
votes
1answer
22 views

Setting values for palette in Google Earth Engine

I am very new to GEE. I have been trying to figure out how to assign different colours to different NDVI values. Let's say, in following code, I want to assign 'red' for NDVI value of 0.2-0.4, 'orange'...
1
vote
1answer
29 views

Arcpy apply symbology from layer

I have some substances TPH, CO2, SO2, VOC, analyzed in a period of time 2001 - 2017. In the .mxd each year is a group layer, containing all the substances for that year: 2001: - TPH - CO2 ...
2
votes
3answers
77 views

Road lines overlaying where they meet

I have created a road style with a thinner line overlaying a wider line, with different road classifications on different layers. I've used the advice here to make segmented lines continuous. This ...
6
votes
1answer
88 views

Draw streets with bridges using “feature rendering order” instead of “symbol levels” (QGIS3)

To control rendering orders of symbols, you could use the "symbol levels"-feature to give every geometry a own Z-dimension. If you want it dynamically because of complex situation like bridges over ...
1
vote
1answer
16 views

Hiding border of dot density display in ArcGIS Pro?

I have a dot density symbology but I do not want to see the polygon borders. Using dot density layers makes it seem that ArcMap provided the ability to turn off the borders but I can't figure out how ...
1
vote
1answer
28 views

Using multiple colours in the same symbol in arcmap 10.4

I am working on a map of the Rainy-Lake of the Woods watershed on the U.S.-Canada border. I have created a shapefile of water quality monitoring stations in the basin using data from USGS and ...
1
vote
1answer
26 views

Get QGIS layer symbology as xml string using PyQGIS

Analogue to saving a layers symbology into a *.qml file I would like to have the xml content of a layers symbology in a python string (or QDomDocument). I think the method QgsVectorLayer()....
0
votes
0answers
18 views

Import raster style to ArcGIS Pro

I have a list of interpolated rasters in ArcMap each having its own defined Streched values color ramp. Previously in ArcMap i used to save that as rtf xml file and import and assign it to other ...
0
votes
1answer
18 views

Using Raster Quartiles in ArcMap?

I have two raster layers with a count and value in the attribute table but when I try to reclassify with count and equal interval quartiles the classification reverts back to "value" in the symbology. ...
4
votes
1answer
107 views

Symbolizing Isochrones in QGIS

I have generated isochrones for London based on my parameters. However, the isochrones by definition are overlapping polygons. I would like to show the different polygons of the isochrones using ...
1
vote
1answer
44 views

QGIS: Symbolize by date field based on current date

In QGIS 3.2.3: I have a layer/Shapefile with a date field (type DATE) that comes from a joined table. I would like to symbolize the points which are older than 10 days (based on the current date) in ...
0
votes
1answer
36 views

Feature access not support symbology based in multiple fields in sharing service (ArcGIS, ArcGIS Desktop, ERROR 00085)

Error 00085 : Layer uses an unsupported renderer In the service publication -> Capabilities -> feature access checked! : does not support symbology based in multiple fields! Is there an approach to ...
0
votes
0answers
26 views

How add sub rules to existing symbol legend ? Python Qgis

I want to combine rules for marker form and sub rules for filled color. I don't know how I can obtain the same thing that my picture show with a python script. Here is my code for each of them: from ...
1
vote
1answer
44 views

Representing dataset with long field name using graduated color?

I have some questions on symbology of dataset. I have 47 recordset ranging from -1 to 10. And some of value have zero. And I want to represent my dataset with graduated color. It usually works ...
1
vote
1answer
28 views

How do you symbolise a polygon to look like an AutoCAD revision cloud?

I work for an engineering firm and the standard for annotating areas which require review or areas of interest is to add AutoCAD revision clouds. There is a dedicated tool for this in AutoCAD but I ...
1
vote
1answer
43 views

Arcade expression to see if current date is within two dates?

I am new to building expressions in Arcade and I am having trouble writing an expression that can be used to check start and end times of different areas and evaluate if the current date is within the ...
4
votes
1answer
43 views

Display Multiple Symbols for a single point feature by field attribute vale

I want to create a point feature layer and add points. Around the point I'd like to add icons/symbols and labels based on data in fields of an attribute table.
0
votes
1answer
41 views

Is it possible to add symbols in QGIS?

Is there any way so i can add symbols like ( <, > ,- ) in QGIS polygons/vectors so I can define for a example in which way is "this pipe of drainage leaking water" Working in QGIS 3.2 Bonn
0
votes
1answer
23 views

Using .style imported into ArcMap?

I have been handed a .style file by a coworker so that we consistently use similar color schemes. After downloading it, I went into Customize >>> Style manager >>> Styles... >>> Add style to list. ...
1
vote
1answer
30 views

Saving all symbols to style using ArcPy? [closed]

Is it possible to loop over all feature layers (each feature layer has a unique value symbology) which are in Contents Pane and save each symbol to style? I got rich symbology which need to be ...
4
votes
0answers
72 views

Question marks (“?”) in QGIS layer panel when using svg markers defined with “Data defined override”

When using svg marker symbols and set the path to svg file via Data defined override the svgs display well in the map canvas, but not in the layers panel (applies for QGIS 2.x and 3.x). svg marker ...
0
votes
1answer
31 views

ArcGIS Symbology For OSM Street Flow Directions

I have downloaded OSM data in [.shp.zip] format from geofabrik.de now I need to apply Street map symbology to them. Can you please let me know how I can display the flow direction symbol in the street ...
1
vote
0answers
30 views

QGIS - Rule-based Symbology - Added Ranges do not carry over Legend entries [closed]

When I add ranges to a rule, under Rule-based Symbology, the auto-populated (or modified) legend values do not carry over. To fix this, I would have to manually change each line in the legend ...
2
votes
0answers
50 views

QGIS - Graduated Symbols - Only display defined range of values

How do I limit the displayed results of graduated symbology to a certain part of the data in a delimited text layer? I want the symbology to be graduated by size, but then I only want to show the ...
1
vote
0answers
13 views

ArcMap rendering NoData differently based on zoom level

The gist of the issue is that ArcMap is rendering most of my NoData values as the minimum stretch value color instead of the NoData color. My dataset is for global production of soybeans, so most of ...
0
votes
0answers
29 views

Updating min and max values with ArcPy on stretched raster symbology in ArcGIS Pro?

I have a map I am making where all I want to do is change the source layer for a raster to a new layer. I would then like to apply the same symbology as the original layer, but change the min and max ...
0
votes
1answer
17 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 ...
4
votes
1answer
83 views

Styling polygon layer with symbols that indicates value of attribute of 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, ...
1
vote
1answer
33 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 ...
0
votes
2answers
33 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())) ...
9
votes
2answers
177 views

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 ...
0
votes
0answers
19 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 ...
0
votes
0answers
15 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, ...
2
votes
1answer
44 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 ...