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
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
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0answers
29 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
32 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
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1answer
64 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
52 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
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1answer
50 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
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1answer
35 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
136 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
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1answer
38 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(): ...
4
votes
1answer
67 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
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1answer
75 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
74 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 ...
3
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3answers
66 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
50 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 ...
1
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2answers
46 views

Use arcpy to Import Symbology instead of Apply Symbology?

I am using arcpy (ArcMap 10.1) to create a series of maps of the same extent that show increased count of disease in areas over time. For example, in the first map, the disease count will be low in ...
1
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2answers
90 views

Rotate symbols perpendicular to line angle (ArcGIS)

I have lines representing curving streams (blue line in the Picture) and want to angle symbols perpendicular to the angle in their particular Locations (point features symbolized as red lines in the ...
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0answers
41 views

How to get symbology (.lyr?) for USGS geologic maps?

I work a lot with USGS geologic maps and always have the same problem. I am able to download the files from the website (in .e00 format), and make a nice shapefiles out of them. My problem is that ...
0
votes
1answer
37 views

Render SVG symbols with MapServer on Windows

I am using MapServer in a windows machine in order to build a map with data from openstreetmap and OpenSeaMap. I want to style some elements in the map and I want to use SVG symbols for doing this. ...
1
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1answer
45 views

What is causing these strange results in the Layer Symbology?

I am using Arc 10.3.1 and I have a feature class with various INT fields that hold values for number of defect type found in this polygon. Here is an example of my table: Now when I go to the ...
2
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0answers
72 views

How to rotate symbols in QGIS

I have a vector symbol that I am using rule based style with. In the Rule properties tab I click on the SVG marker and change the "rotation" which is a field I have made to handle to the rotation ...
3
votes
1answer
59 views

QGIS: sewer system symbology

Is there any symbology set out there for sewer systems or other piped networks? The sort of elements I need to represent are: Conduits Junctions Pumps Weirs Outfalls Gates etc... There are few ...
2
votes
1answer
36 views

Why is ArcMap reverting 4-band raster settings?

ArcMap keeps redrawing my 4 band false colour image in standard 3 colour bands. As you can see below I have my 4 band data set to auto display as (4,1,2 - infrared, red, green). When I bring in an ...
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0answers
58 views

Tile server and postgis db with OpenSeaMap data, how to render icons?

I am trying to build a tile server in a windows machine with the OpenSeaMap data. I set up my postgresql database and populated with the world.osm data (OpenSeaMap data) and the water polygons. I ...
8
votes
1answer
161 views

What is the best way to show antenna symbols on the map: point symbols or features (polygons)

I want to show a cellular network on a map. Input data is a .csv file where each string is cellular sector. The attributes are: sector id, its coordinates, its azimuth and an angle of antenna beam ...
1
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2answers
57 views

Renaming layer with chart pie symbology in TOC of ArcMap?

I work with ArcGIS 10.3 and when i try rename layers point1 point2 in the TOC but i can't. I using chart pie symbology: This is the symbology tab:
7
votes
1answer
99 views

Why are heights given at various points on roads?

In the OS 1:25000 map below I have circled some numbers next to roads. The key says "Ground survey height" and there is another entry (in brown) for "Air survey height", but since all the data in the ...
0
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1answer
36 views

Applying display properties similar to using ApplySymbologyFromLayer tool in ModelBuilder?

I have created a layer file using ArcGIS 10.3 ModelBuilder. I have applied symbology to this layer using the ApplySymbologyFromLayer tool in ModelBuilder. The tool applied the symbology to my ...
2
votes
1answer
64 views

Transparency control in svg symbols

I am mapping animals and have to display their locations in QGIS (2.12.3, Win7 64) with gender symbols (♂/♀). The outline of the symbols should be rendered in different colors corresponding to the ...
3
votes
1answer
66 views

Where I can find ArcGIS online symbols to use in Desktop

I'd like to use this symbols: In desktop ArcGIS. Is this possible?
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0answers
42 views

Dynamic symbology or Attribute driven symbology: How is it done?

http://pro.arcgis.com/en/pro-app/help/mapping/symbols-and-styles/attribute-driven-symbology.htm Two dilemmas I have found myself trying to figure out. 1.Is there a way to configure ArcMap with an ...
5
votes
1answer
153 views

Representing data on thematic map in only two colors in qgis

I am very new to qgis, and i am doing a project on representing child immunization on thematic maps. I want to represent the data which is even number in one color and odd number data in another ...
4
votes
0answers
31 views

Create polygon symbology from attribute? [duplicate]

I have shape file with polygons and lines. There are attributes for: layer, lineweight, colour: Red, colour: Green, colour: Blue. (colour values are from 0-255) Is there a way to read values from ...
5
votes
1answer
58 views

Location/format of inserted pictures used for marker symbols in ArcGIS Desktop?

I have an old mxd that uses several hundred custom made picture marker symbols. We don't know where the image files that were inserted as pictures marker symbols are, or what format they were in. ...
0
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0answers
21 views

Advanced Cartography of a line feature [duplicate]

I'm attempting to duplicate the maroon boundary line. I've used offsets in the line symbol editing but can't seem to achieve the smooth blend you see the picture. I've tried using multiple layers of ...
1
vote
1answer
42 views

How to fix symbols of layers when I copy .mxd to another pc?

I've created a personal geodatabase with feature classes and I specified symbols for them in an mxd project. I activated "store relative pathnames to data sources" in the Map Document Properties. When ...
1
vote
3answers
154 views

How to create one shape file with categories?

In my QGIS 2.12.3 I want to create shape files of different lakes. I know how to do it one by one and this way, each lake gets a different color. But it should also be possible to create one ...
4
votes
1answer
61 views

Changing class breaks in ArcGIS without resetting whole symbology?

For the purposes of this map, I have a raster with very specific class breaks with custom colors for each class. Sometimes for various reasons the class breaks have to be adjusted slightly based on ...
0
votes
1answer
17 views

How to use attribute as image name with the SYMBOL keyword?

I have a set of PNG images contained in a server folder that I wish to use as point symbols. The symbol should be defined by the attribute symb_name. So in my MAP file, I'd like to do something like ...
1
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0answers
65 views

Create symbology for new layer using Python (arcpy.mapping)

I have some ArcMap addin that creates new layer and add it into table of content. I need to set up a symbology for the newly created layer based on the attribute table (three differnet values > three ...
2
votes
1answer
60 views

Set label font size for layer via Python

I have some ArcMap addin that creates new layer and add it into table of content. I need to set up labels for that layer. I have made some script for labeling layer: mxd = ...
1
vote
1answer
74 views

Hatching over simple fill in ArcGIS 10.3

I have a polygon layer that is symbolized into four categories. Two of these categories are above a threshold limit and two are below. I would like to further distinguish the two categories above the ...
1
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0answers
23 views

Can GML contain symbology?

I know that KML can contain symbology in it. I understand that GML is the open version of it. Can GML contain symbology too?
1
vote
1answer
43 views

QGIS symbology: where are simple markers located in the system?

I would like to know, where are simple svg-markers (for example the one that is defined as "regular_star" in .qml file) are physically located in the system? I searched the system and looked inside ...
1
vote
1answer
68 views

rotate point along line layer

I have two layers: point and line (postgis or shp) The line layer represent a hiking trail. The point layer the mountain passes. The points are exactly on the same position like the node of the line. ...
2
votes
1answer
46 views

Is it possible to change the default “symbol template” for layers added to QGIS?

Can QGIS be configured so that the fill symbols of layers added to the map automatically have a transparent border? I'm calling it a "symbol template" because I don't know what that's called in ...
1
vote
2answers
67 views

ApplySymbologyFromLayer_management Overwrites Graduated-Color Class Break

My goal is to generate any number of MXD files with custom class-break-values using a consistent, pre-defined style. For example, in ArcMap (10.2.2 and 10.3.1), I have an MXD with a graduated-color ...
1
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2answers
42 views

Proportional symbols for data with wide range

I have point shapefile with 15 points whose attribute for symbol ranges from 2000 to over a million. There are 3 points with over 1mil while the other 12 points are all in thousands. I want the size ...
0
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1answer
52 views

Changing default point symbol?

I am trying to change the default point layer symbol to a set one. For example I have a fire hydrant point layer that is represented by a default point symbol when I import it into my map. Is there ...
2
votes
1answer
23 views

Using pictures (JPEG) from web as symbol in MapServer 7 mapfile?

Is it possible to configure the mapfile so, that it shows for every point on the map a different picture from the web recognized by an id?
3
votes
1answer
140 views

Is there a point symbol for ArcMap that looks like the Google Maps Marker Symbol?

Is there a symbol available through ArcMap (I'm using 10.3.1) that looks somewhat like the Google Maps marker symbol? We have a webmap that was created using Google Maps Engine and apparently we have ...