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

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17 views

Importing SVG symbols into QGIS

I've downloaded the SVG icon pack here: https://www.mapbox.com/maki/ How do I import these symbols into QGIS? As far as I can tell I need an .XML defining each symbol. Also using the Import from ...
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29 views

Export graduated scale from polygon to point layer in QGIS

I'm stuck with a simple problem. I have a polygon layer (represented by cells) and a point layer. I've used the graduated symbology with the polygon layer. Now I'd like to export this graduated ...
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1answer
21 views

How To Use Ampersand (&) Symbol For a Label In Symbology 10.2?

I am using unique values to symbolize my data. I am changing the labels as needed so they are reflected in my table of contents. I want to label one category "Oil & Gas". However when I use the ...
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18 views

How to convert a layer with a symbology using multiple attributes to a KML file using ArcGIS Desktop?

I could use some advice to convert a point feature layer with a symbology that uses multiple attributes (a color-scheme attributed to the percentage of positive malaria cases and a symbol size ...
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43 views

How to use python in arcgis to create new layer from selection and export into individual maps

I am trying to create county level maps by looping through a master file for each county. However, I get an error message when I try to run the code. I'm not sure what is wrong with my code and I ...
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27 views

Saving Feature Class Symbology into a Layer or Object to apply to another Feature Class

I am creating a tool to automate a data standardization process. Part of this process is saving the feature class (variable "filename") as a layer file, projecting it into another coordinate system ...
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18 views

How do you symbolise a 32-bit raster in ArcObjects?

For rasters that are ABOVE 16-bit - you cannot apply a colormap - so what is happening when you symbolise in ArcMap a 32 bit raster, it's certainly possible. I'm trying to emulate this funcitonality ...
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21 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 ...
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15 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 ...
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1answer
22 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 ...
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24 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 ...
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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 ...
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29 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 ...
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1answer
48 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 ...
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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 ...
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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 ...
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2answers
46 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 ...
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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 ...
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1answer
38 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 ...
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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 ...
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5 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 ...
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1answer
54 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 ...
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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 ...
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2answers
94 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 ...
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1answer
35 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 ...
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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 ...
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23 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, ...
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45 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 ...
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31 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 ...
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1answer
47 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 ...
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53 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) ...
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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!
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49 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, ...
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1answer
33 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 ...
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1answer
23 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 ...
2
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1answer
70 views

Display bar charts in ArcMap

I am trying to symbolize data as bar charts in ArcMap. I have a feature class with two sets of data, and I want the bar charts next to each other on the map. The problem I am having is that the map ...
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1answer
36 views

How to update symbology without loading all symbols into TOC using ArcPy?

I am using ArcMap 10.0 Service pack 5. (government computer, no choice here). I am trying to automate a common mapping task... I have a clipped layer (SoilsClipped - which has maybe 4 or 5 ...
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4answers
106 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 ...
2
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1answer
73 views

Use 2 different symbologies on the same feature QGIS

I have data symbolized with different categories Each category has a field for different symbology style like the table below. Is it possible to visualize the same category of data with in ...
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1answer
34 views

ApplySymbologyFromLayer works in ArcMap but not in python script

So the ApplySymbologyFromLayer_management() tool doesn't seem to like me, at least when I try to use it in a script. I have a Field_Boundary2.lyr file that has a "hollow" fill color and a black ...
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1answer
32 views

Is it possible to use the symbology of an already published map service, so as to create a renderer in javascript api?

I have created a map service with fixed symbology. I want to create a graphics layer which will use the same symbology, through a renderer. In other words, I want to use the already existing ...
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1answer
34 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 ...
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0answers
19 views

Can you re number representations in arcmap?

I created a representation and added loaded rule or import symbols but had to delete some. Now the numbers in front of the name of the rule is out of order ( [2],[3],[5],[7]). I know you can change ...
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3answers
195 views

How to display two line traffic road map cartographically?

I have two line traffic map. I want to display this maps roads as image below. This images show that when I zoom out from map, roads are showing properly.. And two line road never disappear from map. ...
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1answer
18 views

How to prevent symbology reclassification from adding 0s to the Range?

How do I prevent symbology's "Natural Breaks" from automatically changing my range to include multiple 0s after my decimals? Example: Range was originally 1 - 249. I switched to Natural Breaks and the ...
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0answers
19 views

Graduated Symbol Classes Overlap in ArcGIS Online

Searching on GISSE under the arcgis-online tag has come up empty. Using the Aggregate Points analysis tool in ArcGIS Online, I produce a feature layer that I would like to represent with graduated ...
2
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1answer
65 views

Symbolising null features in graduated symbology

I have a polygon feature dataset, and an attribute from a different table that I join (one-to-one) within QGIS in order to symbolise the attributes as a choropleth map. However, not all polygon fields ...
2
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1answer
78 views

How to scale SVG symbol based on zoom level in QGIS?

I am wondering if there is a way to scale SVG files I have stored as blob in a Spatialite database according to the current zoom level in QGIS. My hope is to have the SVG icon resize itself when the ...
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1answer
56 views

Raster statistics - incorrect and apparently arbitrary minimum value

I have projected a raster with gdal as part of an R workflow: gdalwarp -s_srs EPSG:4283 -t_srs EPSG:3577 -r bilinear -multi -tr 1000 1000 -dstnodata -9999 in.tif out.tif When I add out.tif to ...
2
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2answers
98 views

Adding new fields to shapefile alters appearance of borders in QGIS?

I am using QGIS 2.6.0-Brighton and I am trying to add a custom field to my layer made from a shapefile of Italian provinces; everything seems fine when I create a categorized views using region codes, ...