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

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1answer
12 views

Will symbol size impact buffer size?

I'm using ArcMap 10.1. I want to create buffers that represent CO2 equivalent from landfills. I used graduated symbols to label each landfill site, based on amount on incoming waste per year. Will ...
4
votes
1answer
46 views

Symbolize a layer based on it's related table (1:M relationship class)

I have a layer of polygons joined by a relationship class to a table by Field = DistrictIDNumber The Table has multiple entries for each polygon so it is a one to many relationship. Is there any way ...
2
votes
1answer
52 views

QGIS: How to modify the appearence of selected attributes [duplicate]

I am using QGIS version 2.14.1 (Essen). When I open the attributes table of a layer, I select some data which is then highlighted in yellow on the map. I was wondering if it is possible to change the ...
1
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1answer
38 views

GeoServer - Multiple symbology on single layer

I'm trying to show multiple symbologies on a single GeoServer layer. I'm also using the CSS extension, but an SLD example would be fine. My GeoServer version is 2.8.2 For example: A yellow rectangle ...
1
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1answer
11 views

MapServer square symbol composed of 4 internal squares

I need to create simple square symbol composed of 4 internal squares. SYMBOL NAME 'SQUARE_TL' TYPE vector FILLED true POINTS 0 0 0 0.5 0.5 0.5 0.5 0 ...
3
votes
1answer
57 views

How to change color ramp interval size in QGIS 2.12?

I'm working on elevation data and I'm trying to change the interval size to 50 meters in the layer's style. I created a color ramp color interpolation on the elevation layer. The values are between 8-...
3
votes
1answer
37 views

Symbology for different years

I have an attribute field which contains Date data. The data is broken down like "3/14/2016". I would like to have different symbology for different years. When I go into the symbology tab within the ...
4
votes
1answer
45 views

Is it better to use a single layer with symbol classes or multiple layers with definition queries?

I use symbology classes to display my data most of the time. I think I have noticed a performance hit when using symbol classes on large datasets, although it might just be in my mind. That got me to ...
2
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0answers
31 views

Changing QGIS Symbology

I'm trying to change the symbol from 'marker' to 'fill' in layer properties. Is it possible to change that so I can fill the entire property instead of having points for each property?
4
votes
2answers
99 views

How to place only one symbol on the centroid of a multipart polygon?

I am using QGIS version 2.14.1 (Essen). I would like to place symbols on the centroids of my data. The problem is that some of my data has multi-part polygons, which means it places the symbol at the ...
3
votes
1answer
108 views

How to create custom line symbol with text in it using ArcGIS?

I have some layers for which I have to use special symbology. Most of these symbols are lines (continous, dashed, dotted, etc.) but they have different text in them for example: ----GAS----GAS----GAS-...
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0answers
13 views

Symbols not Rendering if more than 100 records

I have a link in the infowindow that displays all sale records in a particular area. The link work fine if there are less than 100 records. If there are more than 100 records then nothing happens (...
6
votes
0answers
75 views

Automatically style raster using unique values in QGIS?

In ArcMap, it is possible to automatically calculate the unique values for a raster and then apply a different style to each unique value (see 1st image). However, in QGIS, I have to manually add ...
4
votes
2answers
135 views

Double classification for symbols in QGIS

I am using QGIS version 2.14.1 (Essen). I have symbols that I have classified according to certain value from one of the columns in my shapefile. Furthermore, I was wondering if it is possible to do ...
1
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0answers
37 views

QGIS individual symbol rotation

I've digitised some symbols in QGIS (2.14.1) as a new Shapefile point layer. I want the symbols to be rotated to different angles. I've worked out that I can have a data defined rotation field in my ...
3
votes
0answers
56 views

Changing colours in SVG symbol using QGIS?

I am using QGIS version 2.14.1 (Essen), and I have imported a traffic cone symbol in SVG format to represent some of my data. I was wondering if it was possible to change the color of this symbol ...
3
votes
0answers
39 views

QGIS crashes when selecting symbols

I am using QGIS version 2.14.1 (Essen). I can open it no problem and load shapefiles correctly. However, when I go in the file properties and select "style"/ "unique symbols", the system crashes and ...
2
votes
0answers
29 views

How to set style for features within atlas feature

I have a vector layer with property parcels, and another vector layer separating them into regions. I have the regions layer controlling an atlas. I would like to have only the parcels within the ...
1
vote
1answer
123 views

Import PNG symbols in QGIS

I would like to upload some symbols into QGIS using version 2.14 (Essen). I would like to upload a PNG but it seems the only format available is XML. Do you know if its possible to upload PNG's ...
1
vote
2answers
36 views

Symbology/points not showing on ArcGIS Online web map but data is present

I have a layer that has been symbolized in an ArcDesktop project. The project was saved and Shared As --> Publish Service up to our ArcGIS Online account. All layers and their symbology have ...
3
votes
1answer
37 views

Automate map symbology using varying input data in ArcGIS/arcpy?

I'd like to generate a series of maps, where each map displays graduated colors based on a different variable in the feature's attribute table. The geographic area is the same in each map. I'm using ...
3
votes
2answers
130 views

Changing polygon boundary thickness/color

How can I make the polygon boundaries of admin 1 thicker than thous admin 2? I. e. I want to make the province boundaries thicker than its district boundaries.
3
votes
1answer
71 views

How to display different SVG icon in the same layer in QGIS based on attribute value

Based on this question: How to display different SVG icon in the same layer in QGIS is it possible to add multiple svg files in qgis to the same layer automatically based on attribute value? I have a ...
2
votes
0answers
54 views

How to show draw effects in legend in QGIS

I have edited the features on my map using the draw effects tool (colourize, glow etc). However, in Print Composer, the legend shows these feature symbols in their original form. How can I get them to ...
3
votes
1answer
56 views

Right angled triangle symbol ArcMap

Does anyone knows if there is a Right angled triangle symbol into ArcMap standard symbology? I've found only isosceles triangles.
1
vote
1answer
88 views

Symbolizing OSM rail lines in QGIS

I am struggling to come up with a proper layer style for a rail network extracted from OSM in QGIS. I just want active rail so I choose the "rail" tagged features (rule-based rendering). But since ...
1
vote
0answers
27 views

setting a PictureFillSymbol via ArcObjects not wanted/allowed?

Have a problem in setting a PictureFillSymbol in polygon-layer-properties via ArcObjects. I just create the Bitmap not from file, it is "painted" in runtime. After loading the layer and setting the ...
1
vote
1answer
45 views

ArcMap arrow symbol for point: how to make the arrow end starts from the point instead of sitting in the middle of point?

I am trying to use arrows to display points. The arcmap worked nicely to rotate arrow according to the angle field (layer property/symbology/advanced/rotation), however the middle of the arrow sit on ...
1
vote
1answer
55 views

How can I create a pie chart of species recorded so that the colours match the symbology of the GPS points displayed in my map?

I have created a map in ArcMap 10.3 showing the locations of bat sightings in a borough in London, the symbology set to show the different bat species recorded. I want to have a pie chart as an insert ...
0
votes
0answers
27 views

Importing Map Styles in ArcMap?

I recently found some information on exporting map styles in arcmap and I used this to save some specific symbology that I will need to reuse many times. However, I can't find any documentation or ...
1
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0answers
47 views

Creating/modifying arrowhead symbology to create a 'pie' style symbol around a point

I have a point dataset that has 18 (2 categories of 9) variables that need to be symbolized. We want to symbolize each variable using an arrowhead symbol or some kind of triangular symbol that, by ...
1
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0answers
21 views

Symbols changed in conversion from QGIS to Webmap

When I convert a map in QGIS to a webmap, the symbols are changed--the size is ok, but all the specific symbols-- stars, diamonds, etc.--are converted to circles. Does anyone have suggestions on how I ...
1
vote
1answer
21 views

Categorize on difference between max and min value for features with same attribute

I have a points layer. Some points have the same value in FIELD_1. I want to give different colors (value in FIELD_3) for different sizes of ranges of values in field FIELD_2 among points with same ...
3
votes
2answers
49 views

Label styles Formatting in ArcGIS for Desktop?

I'm currently making a map that uses custom colors for the layer symbology. It was requested that the labels for each class in the layer use the same color palette as the layer. Is there a way to ...
4
votes
1answer
80 views

How to match symbology between two layers

I have two point layers: one shows the number of people in a county, the other shows the number of people who receive a particular service in that county. I am symbolizing them both as "proportional ...
1
vote
0answers
11 views

Can I transfer catagorised symbol groupings to to an attribute?

I have a layer file in ArcGIS 10.2 that symbolizes some points by category. 100s of different values in the value field have been grouped down to about 20 symbols. Unfortunately the data I want is ...
0
votes
1answer
20 views

How to save symbology for raster and also its associated 'value' (using unique values)?

I have a raster in ArcMap (built using sum function in cell statistics), and only want to show the water parts of it (band 128). In doing so I only need to show multiples of 128, however there are ...
0
votes
0answers
41 views

PostScript files (.ps) in GIS? How to use those?

I am working on a USGS dataset. I have a geology map - but there is only linework, no symbology (no colors, no .lyr file). I was wondering if there is any way to assign colors automatically from .ps ...
1
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0answers
35 views

Why are my modifications to UniqueValuesSymbology classLabels not following through to PDF export? [closed]

I have a vector layer that I add to a data frame. I modify the unique values symbology class labels. I then export the map document as a PDF and the labels in the PDF do not reflect the modifications. ...
2
votes
1answer
84 views

Can you animate symbols in ArcMap?

How can you animate symbols in ArcMap? I am not looking for anything complex, just a simple symbol that flashes or changes a little. I know that you can perform animation in ArcMap but I am not ...
2
votes
1answer
57 views

How to symbolize multiple layers with different EMF's in ArcObjects C#

I'm trying to symbolize multiple layers with an emf logo. When debugging, it gets through the first layer then crashes. I'm thinking it might have something to do with the variable "emf1" not ...
-1
votes
1answer
66 views

Apply same symbology to many raster layers in ArcMap?

I have many TIFF files (100+) that need to have the same symbology using the unique value option. Is there a quick way in arc 10.3 to do this?
0
votes
1answer
51 views

Custom labels when matching to symbols in a style? (ArcGIS 10.3)

In ArcGIS 10.3 is there a way to automatically label symbols based on a field in my feature class table? I matched species observations with marker symbols in a style using species abbreviations. ...
2
votes
1answer
206 views

Slope tool gives wrong degree values

I am trying to create a slope map in ArcMap out of a DEM. I used the Slope Tool (Spatial Analyst), selected my DEM as input and degrees as an output result. There I got the message that "The Z units ...
3
votes
1answer
44 views

How to set the color of a feature depending on field attributes with PyQGIS?

from PyQt4.QtCore import * from PyQt4.QtGui import * def Symbology(): canvas = qgis.utils.iface.mapCanvas() layer = qgis.utils.iface.activeLayer() for feat in layer.getFeatures(): ...
5
votes
1answer
84 views

How to display different SVG icon in the same layer in QGIS

I am working with a ponctual layer in QGIS 2.12.3 (Lyon). I have a determine a few points in my layer. Each point represents a different activity (ex : climbing, hiking, etc). In order to have a ...
0
votes
1answer
113 views

ArcPy - Symbology Color Changes After Setting Class Break Values

I develop a python script tool to adapt the symbology of a set of shapefiles based on a given symbology template (layer file). These are the properties that should be changed: Number of classes and ...
3
votes
1answer
98 views

Color gradient to show direction in polygons (filling, color ramp, gradients)

My data is 2 point-layers: 1 layer origins and 1 layer destinations. I connected these pairs of origins and destinations: firts with lines. As I know that in qgis, there is still no gradient fill for ...
3
votes
3answers
88 views

How to set symbol diameter based on specific attribute parameter?

I am working with a shapefile of a forest, and I want the symbol of each of the trees to reflect their exact diameter. I have tried to sort this out through the Symbology tab in ArcGIS 10.3 ...
2
votes
2answers
55 views

Dynamic Symbols

Is there a dynamic symbol (preferably a numbered circle or square) in ArcMap that is symbolized uniquely to each feature? For example, I have 150 features that I would like to symbolize with a circle ...