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

learn more… | top users | synonyms (1)

3
votes
1answer
382 views

Symbology for Open Street Map [OSM] Data in MapInfo [tab] format

I have shapefiles for the different SOM layers which I have translated into TABs but I am now trying to symbolise them in a similar style to OSM online. Is there a way to easily apply the OSM ...
0
votes
1answer
358 views

Add Point Symbol and Zoom to Address using Geocoder Widget

I'm following the tutorial here and it's not working: https://developers.arcgis.com/javascript/jstutorials/tutorial_geocoder.html Issue: I just want to add a point symbol and zoom in for the address ...
1
vote
0answers
14 views

Using .lyr symbology in ModelBuilder?

I'm trying to set the symbology of a raster output in ModelBuilder of ArcGIS 10.1. I've followed the guidelines by creating the .lyr file and the adding it to the Layer Symbology tab of the Output ...
4
votes
2answers
5k views

Change Symbology of layers from within ArcMap

In an active ArcMap session - I want to change the symbology of a layer which is repeated multiple times in the mxd. Can I do this? The basic code I have for getting the layers is below. This is ...
0
votes
1answer
12 views

How can I make a vertical symbol for a point which stands upright on the centroid?

Context: I need to display the location of wind turbines using a symbol from a True-type-font(ttf). The GIS software doesn´t allow me to define offsets, so I need to define a ttf which displays a ...
1
vote
1answer
16 views

Using Python Script to change Pie Chart Symbology

I am trying to change the symbology for Pie chart in ArcGIS. I have a feature class which is joined to a table and I will like to symbolized as a pie chart. I will be symbolizing it a lot thus I am ...
4
votes
2answers
8k views

How to change Symbology of Multiple Layers at once?

Is there a way to change symbology for multiple layers in ArcMap or ArcCatalog. I want to change the symbology of multiple layers at once.
0
votes
1answer
21 views

Accessing “valueField” property of layer's symbology using ArcPy?

This has been really hard to debug, as I had no idea where to look at first, but I have made an attempt to access the "valueField" property of a layer file. This layer file is of the UNIQUE_VALUES ...
1
vote
0answers
27 views

CartoDB: cluster circles aren't proportional

I'm trying to visualize thousands of records on a map on CartoDB using the cluster feature but circles with 100 or 1000+ records have the same dimensions. I'd like to have more discrimination in ...
5
votes
5answers
982 views

Manually classifying graduated data outside of range in ArcGIS for Desktop?

I have two shapefiles representing grids with values that are symbolized with graduated colors, shown below: You can see that the two shapefiles encompass similar ranges of data, but assign ...
1
vote
1answer
218 views

How to replace corrupt representations stored in geodatabase using symbology from layer file?

I have a lyr file with symbology that I want to store in the database. Symbolology is already stored in the geodatabase but the symbology levels has been corrupted migrating from 9.3 to 10. Thus, I ...
1
vote
0answers
17 views

Vector Layer Symbology Export?

When programmatically creating / saving a QgsVectorLayer - implementation of the ExportSymbology functionality does not seem to exhibit the implied effects. Does such a command not indicate that the ...
11
votes
1answer
646 views

Is there cartographic convention to ordering legend items (high-low or low-high)?

When you symbolise a layer in ArcMap, the symbols are ordered from low value to high value by default. Is that necessarily "correct"? I've never officially studied cartography - is there a convention ...
0
votes
0answers
4 views

Arcobjects Java event on featurelayer symbology change

I am working on an Java AddIn project for ArcMap. I need to find the event when user changes the symbology for a layer added in TOC. So far my best bet is to useIActiveViewEvents class on map, and ...
1
vote
1answer
24 views

How to display symbols on a Raster in QGIS?

I have a raster file in which each cell has a numeric code which indicates that the cell is directed towards one of its eight neighbours. I am using QGIS to display each of the eight possible codes ...
0
votes
1answer
177 views

How do I change graduated color class values with python?

I am trying to use python to adjust my graduated color symbols' class breaks and labels. The layer is a query layer tied to an SQL DB and I want to be able to execute my python (after the database has ...
0
votes
1answer
46 views

How to create symbol with size and color based on two variables in ArcMap?

In arcmap 10.2 i have a layer that has two attributes: depth and magnitude. Depth should be represented by color: deeper points being lighter and shallower being darker. Magnitude represented by ...
5
votes
2answers
5k views

How to use multiple attributes feature for symbology in ArcMap?

I am trying to make a map using US census data showing vacant housing to total housing on the same map. I came across the "multiple attributes" feature under the symbology tab and wondered if this ...
2
votes
2answers
37 views

showing symbols in a specific order

i'm trying to layout a map in ArcGIS09, showing samplings in a specific region: i have a layer with samplings on different sampling dates and sites. sometimes, there are several samples at one site, ...
0
votes
2answers
45 views

Proportional Symbols - Custom legend breaks

I mapping the number of Boko Haram victims in each state of Nigeria for several years. I chose to make a proportional symbol maps using the centroid of each state. For a given year, the area of the ...
1
vote
0answers
16 views

What can POLYCOLOR mean and is there a way to convert to RGB?

It is not for the first time I found in the tables of some data column called POLYCOLOR. Is there any way to figure out what that means and is it somehow convertible to RGB values? If I get it right ...
8
votes
4answers
1k views

How to use consistent symbology between multiple stretched rasters in ArcMap?

I have a series of continuous rasters representing the same phenomenon over time, so I need to use the same symbology across them all. So I set the stretched symbology of the first raster, with a ...
5
votes
2answers
257 views

Maps with charts of representative symbols

How would the type of map symbology illustrated here be typically described? Specifically where symbology is used to represent arbitrary quantities of phenomena, and these being charted together ...
17
votes
2answers
552 views

Hand drawn sketchy symbology styles for GIS software

Often times in planning projects, a hand drawn, sketchy look is desirable in order to convey the preliminary nature of a project. Is anyone aware of any utilities/plugins for desktop GIS software ...
1
vote
0answers
27 views

MOLE options after ArcGIS10.2?

Esri said goodbye to MOLE, so now I am not able to achieve the same results as before, with the layer package which is offered on 10.2 version. Mostly because before I could customize the symbols ...
1
vote
1answer
35 views

Accessing advanced symbol levels with python in ArcMap

Does anyone know if it is possible to access the symbolgy levels in ArcGIS10 with python? I have a layer "temp" that I print to a pdf. The symbology is printed correctly but is drawn in the wrong ...
1
vote
1answer
44 views

Apply Symbology Layer to a group layers

I have several mxds (located in C:\Project ) that have 250 layers each. All the layers as the same name- "plan" and they all in group layers like that (added picture for example): I try to change ...
0
votes
1answer
49 views

Error in python code for loop using SearchCursor, selectlayerbyattribute, and copyfeatures tools

I am fairly new to python scripting for ArcGIS. I am trying to create maps where each county is selected and then copied into a new layer with only that county's data. Then, I used ApplySymbologyFrom ...
3
votes
4answers
103 views

How can I transfer ArcGIS custom symbology to another machine?

I created custom symbols on my PC at home using: Layer Properties dialog box > Symbology tab > Advanced > Rotation Now I want to transfer the symbology settings to another machine on campus. I ...
0
votes
1answer
130 views

how to apply same color ramp to two line symbols?

Working in 10.2. I want to show two different line feature classes, one with just plain lines and the other with arrow-headed lines. The feature classes have the same categorical field I use to ...
1
vote
1answer
128 views

Copying representation symbology from one ArcSDE version to another?

We are having problems with our representations when copying from an ArcGIS 9.3 database to a 10.0. Representation symbologies with dash patterns (dots, dotted lines etc.) are reset to default ...
2
votes
2answers
136 views

SVG symbols for alphabet characters e.g. A, B, C, … etc

Can anyone tell me whether there is a SVG plugin or source (or how to do) of letters of the alphabet e.g. A, B, C, D etc. I want to create a symbology with colour e.g. gray but also with letters in ...
2
votes
1answer
34 views

Keeping symbology style in a polygon shapefile when converting to KML

I have a polygon shape with 23 classes and have created patterned symbology styles which I will like to have retained when I open in Google earth pro. Is there any how I can achieve this in either ...
2
votes
2answers
470 views

Does “size scale field” in QGIS actually work?

I'm having mixed results with the 'size scale field' aka graduated symbols in QGIS. Some forum posts out there say this feature is broken - others can get it to work.
1
vote
2answers
70 views

arcpy.mapping.ListLayers() without calling current mxd document

my question is how can I use the arcpy.mapping.ListLayers() function without calling the current mxd? I'm hoping to run the python script without having an ArcMap document open. My setsymbology code ...
2
votes
1answer
33 views

How to reverse color ramp in ArcMap?

I want to reverse the color ramp in ArcMap 10.2. In the example below, I want the red colour to be associated with lower values and the green color with the higher values. Any idea how to do this ...
0
votes
0answers
13 views

MapServer MapFile: How Do I Create This Symbol

I have a challenging visualization problem to solve. I am currently rendering a very simple point layer with MapServer - as indicated by the large large blue triangle in my attached image. And that ...
1
vote
0answers
22 views

“mapinfo qgis style converter” : error message

I would like convert a big point layer from .Tab toward .QML thanks to the plugin called "mapinfo qgis style converter" . The symbology of my layer is quite complexe (variables of coulours, shape, ...
1
vote
0answers
39 views

qgis-bin.exe has stopped working after changing symbol selector?

i am having troubles with QGIS 2.6.1. It crashes when i try to change the symbol selector within each vector layer. If it doesnt crash it seems that the changes i have made in symbol selector do not ...
1
vote
0answers
30 views

ArcMap Symbol levels get mixed up in multiscale representations

I have created several representations for a road network on different scales. As many of the roads are displayed as cased lines, I use symbol levels to control the drawing order. I then have saved ...
1
vote
0answers
52 views

Convert mapinfo styles toward qgis styles

Up to now, I has worked with mapinfo. I have a big vector layer (points) with a complex symbology. For several days, I gave up mainfo for qgis. Is there a way to converting my mapinfo files (.tab) ...
6
votes
1answer
496 views

How to offset points along a line in QGIS?

I used the "Profile from Line" plugin to create evenly spaced points along a line in QGIS, but I'd like to offset them to either side of the line. I suppose I could draw two lines parallel to the ...
2
votes
1answer
46 views

How does the QGIS construct class intervals?

I'm using graduated style of a point layer to assign a colour ramp to symbols (squares). I assigned manual values to class intervals specifying classes to be: 0.60 - 0.80 0.80 - 1.00 That is, in ...
1
vote
1answer
148 views

Mapserver WMS, features clipped and positioned

How can I prevent features being clipped at tile boundaries in an WMS layer as per the picture The arrow and line segments are being clipped when viewed in openlayers as a WMS layer. The map file ...
0
votes
1answer
154 views

Mapfile SYMBOLSCALEDENOM and SIZEUNITS (miles) 200: Keep SIZEUNITS while circles change size based on zoom

I've been trying to understand how to keep the SIZEUNITS at 200 while the circles appropriately adjust based on zoom level. Thought I had this working properly but turns out I did not. You can see ...
1
vote
1answer
26 views

QGIS Custom Symbols Group File Location

I am curious as to the location of the symbols group files. I have created numerous custom symbols, as well as symbol groups. I would like to share these with the people I work with. Thank you!
0
votes
1answer
47 views

How to use custom marker symbols in CartoDB?

I am new to CartoDB and haven't found a suitable answer to my search. I have a point layer uploaded to CartoDB and want to change the symbology to my own custom symbol - is this possible, and if so, ...
0
votes
1answer
30 views

How to indicate polygon vertices with small circles using OpenLayers?

I am using OpenLayers 3 and have more or less implemented everything in my requirements list, except one thing: I am asked to somehow make the polygon rendering indicate the polygon vertices with ...
1
vote
1answer
31 views

Layer Symbology Based on both Category and Quantity?

I am running ArcGIS 10.2.2 Version 10.2.2.3552, using ArcMap. Here's my situation/what I would like to do: I have a layer that has sewer lines. Some are main lines, some are laterals. I would like ...
1
vote
1answer
21 views

Adjust Fill style behavior QGIS

Does anyone know how one can change the Fill style option in QGIS? I need to use a diagonal pattern that does exist, but I need to adjust it. I have a cartography specification that defines the ...