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

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3
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5answers
4k views

How can I symbolize a layer with graduated colors by a date/time field?

I've got a layer of polygons where each has a date associated with it. I want to color the polygons with graduated colors, but I want the colors to start with the newest polygons and fade to the ...
1
vote
3answers
26 views

Symbolizing multiple polygons as one by dropping internal boundaries?

Using ArcMap (ArcGIS 10.2 for Desktop), is there a way to symbolize two features within the same feature class as one feature without editing the feature and merging them? For example, if I have a ...
0
votes
0answers
35 views

Creating symbology by category in python?

I'm trying to create a python script that creates color-coded symbology by county for multiple maps with different data. I've never created a layer file for the purposes of symbology before, but I ...
3
votes
1answer
33 views

Is there another way to acces the histogram in ArcGis 10

i need the histogram of the frequency to heights distribution like in the attached picture. Is there another toolkit to access this data? A screenshot is not suitable :) The attribute table is not ...
1
vote
0answers
16 views

Openlayers text symbology is not being shown

I have a Vector Layer in a .json file: { "type" : "FeatureCollection", "features": [ { "type": "Feature", "properties": { "Station_Id":107, "NAME":"ARDEBIL(F)","ELEVATION":"1314.3"}, ...
2
votes
1answer
29 views

Data defines symbology in QGIS

I have to make a symbology based on a unique color value so I add a plus column to the attribute table with the number of color values. I went to the layer properties - style - data defined properties ...
1
vote
0answers
41 views

Making Map with Color Ramp Using SQL Database Intergration?

This could be a trivial question, but I've been kind of stuck on it for awhile. I'm trying to construct multiple maps that reflect aggregated data showing overall risk by county in a SQL Database ...
0
votes
1answer
29 views

create symbology categories automatically

I am using ArcGIS 10.2.2 for Desktop. I'm creating a model that takes an Excel file with coordinates. input = Table input excel make XY event copy feature output = Shapefile Now I want to ...
1
vote
0answers
24 views

How to symbolize based on feature class and assign a unique value per point?

I am trying to produce a map in ArcGIS 10.1 that symbolizes by feature class but also assigns a unique number (as part of the symbol) to each location that will relate to a table embedded in the map ...
0
votes
0answers
30 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 ...
1
vote
0answers
23 views

How to create and export complex symbology?

I've got punctual geometries that I'd like to represent in a desktop and a web application, using complex symbology, like this : My idea is to use a symbology editor to create a SLD file that ...
3
votes
1answer
135 views

Using Engineering symbols (*.svg) in QGIS?

QGIS looks straight forward except for the symbols or icons. I have created SVG symbols and when I place my pointer to the obvious blank areas in the symbol library a pop-up says that my symbol is ...
4
votes
1answer
44 views

Changing value field when applying symbology from layer using Python Add-in?

I have a python addin button that creates a layer file from a polygon feature class in ArcMap. I want to take that layer file and, with user input from a combobox, apply it back to the feature class ...
10
votes
4answers
8k views

Is there a SVG symbol library for qgis?

Im currently using default simple symbol capabilities or dingbat fonts for point objects. Is there maybe a SVG symbol library for qgis that is a bit more extensive than that which is included? I've ...
1
vote
2answers
98 views

Making single polygons from a shapefile

I created a shape file a while ago with several (20+ polygons) in it. I was wondering if there is a way to symbolize these polygons with unique symbols. Basically all I actually want to do is color ...
1
vote
1answer
101 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 ...
3
votes
1answer
203 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 ...
4
votes
3answers
425 views

Examples of Creative Cartography

I am looking for some examples of creative cartographic output. I am planning for something like a mixture of cartography, graphic design and spatial information. The output will be initially in ...
3
votes
1answer
154 views

How to display label in symbol in ArcGIS?

As you see on the map below, there are labels in circle coloured symbols. How can I show them in this format in ArcGIS? If you look at the legend of this map it shows the different categories with ...
2
votes
0answers
44 views

Saving/Loading QGIS style .qml and avoid specified symbology

Is it possible to save QGIS styles without the symbology style? This may seem like a strange question, but I am trying to automatically set the ValueMap widget under layer properties via a plugin for ...
2
votes
1answer
84 views

Display a raster stack with several bands in ArcGIS?

I have already made a raster stack (5 bands in one TIFF) of my multitemporal Landsat images in R and have also clipped a smaller region of every raster stack for each image. Now I want to do some ...
0
votes
1answer
52 views

Point markers with icon/picture symbols showing white area around them on ArcMap?

I'm trying to use some icons (pictures) but i haven't been successful yet. This is where i got the icons: http://mapicons.nicolasmollet.com/category/markers/offices/ I want to build a 1 meter by 2 ...
1
vote
0answers
28 views

How to share styles between layers in QGIS

Is it possible to share one style between different layers in QGIS? Now if I apply the same style from *.qml or use the same style from Style Manager for different layers then in *.qgs project file ...
2
votes
2answers
40 views

How to color lat/lon points in given RGB data?

I am using QGIS on a Mac. I am working with hydroacoustic data for mapping and interpreting the seafloor. Data are collected, processed and interpreted. The result is a txt file with Lat and Lon in ...
0
votes
2answers
664 views

Issues with datasets when custom SLD loaded into geoserver

I have created my SLD's in QGIS and want to use them in Geoserver. I have imported and validated them without any problems but when I try to view the data using Layer Preview --> OpenLayers-->Go it ...
1
vote
1answer
60 views

ArcMap Symbology: Assign Color by one attribute, symbol by other attribute

I've got a question concerning the symbology in ArcMap. I want to use the Unique values/Many fields option to assign unique values based on three attribute fields. To symbolize the first attribute ...
2
votes
1answer
22 views

For multiple rows of values on singular route feature, how does ArcMap symbolize by quantities?

So here is my situation: I have a road segment that is one feature. Along this road I have data that is captured via GPS pings (which generally occur every 5 seconds), and are delineated by ...
0
votes
1answer
110 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 ...
2
votes
2answers
54 views

Changing point markers to letters

How do I change a symbol to a letter? I have points on a map denoting 'male' and 'female', and I want the points for the 'male' to be an 'M' and for 'female' to be an 'F'
1
vote
1answer
99 views

Convert shape file to kml without losing symbols

I am using QGIS 2.2 and want to convert a shape file containing point coordinates with userdefined svg-symbols to a kml file. Everything seems to work. The orginal file is in WGS 84 / UTM zone 32N ...
1
vote
1answer
143 views

Adding count of features in categories to legend using ArcGIS for Desktop?

I am using ArcGIS 10.1 for Desktop and I would like to know How to add the Count (which is visible on the Symbology tab of the Layer Properties dialog) to the legend?
2
votes
2answers
30 views

Setting background RGB value to invisible for multiple rasters in ArcGIS Desktop?

I'm using ArcGIS Desktop 10.0. I need to set my background rgb value of 255,255,255 to transparent. In the layer-Properties Windows > Symbology I can do it for one layer, but can I batch set this, or ...
4
votes
3answers
106 views

Manually classifying graduated data outside of range in ArcGIS

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
0answers
20 views

QGIS strongly offsetted symbols for categorized layers not visible on layer list (layer panel)

I am constructing a symbology for telecom analysis, which so far is mainly point and line features. So far it is working very well except that I have to offset the symbols to be able to avoid ...
1
vote
1answer
39 views

Create symbology from multiple layers

I have four different polygons of soil data that encompass overlapping geographical areas. There is also some overlap of soil series, but each has a few unique ones: Polygon A has Series A, B, C ...
2
votes
1answer
254 views

QGIS 2.0 - 2.4: Color Ramps Missing?

Since QGIS 2.0.1 the default color ramps and styling symbols seem to disappear for some users. For me, this started with QGIS 2.0.1 and still consists with 2.4. I can neither choose Smybols when ...
1
vote
2answers
50 views

python qgis 2.4 : display a view with symbology

I have managed to display a view created using postgresql from qgis using python code: uri = QgsDataSourceURI() uri.setConnection("localhost", "5432", "stat", "postgres", "admin") ...
3
votes
0answers
43 views

Mask Bridge with Road

Is there a tool to create mask between bridge line/point on road? The requirement to have gaps 0.2mm between road and bridge and the offset fill with white color. For now, I add a white line attach to ...
2
votes
3answers
101 views

How to highlight polygons within another polygon?

I want to symbolize public buildings in OSM data. For Example: There is a polygon and in column "amenity" it has the value "school". But i don't want to highlight this polygon, but the buildings ...
5
votes
1answer
2k views

Exporting map to jpg (multiple times with python)?

I set symbology and exported each raster in my mxd (one by one) to jpg file. My script is ok and it works (it is shown at the bottom). The question is: how can I customly set my legend? Now I have ...
8
votes
3answers
2k views

Changing symbology as per scale reference in ArcMap?

I am using ArcMap 10 and I want to display my village parcel as per given scalewise symbology. I have one idea that copy and paste same layer. But my question is that in a single layer, is it ...
0
votes
1answer
31 views

Is it possible to symbolise via a related table?

I´m using ArcGIS for Desktop with an Advanced license level. I´ve got a feature class with several points in it; each point contains information for location and Name. E.g. Location [Berlin] , Name ...
0
votes
1answer
36 views

Setting Layer Properties Using ArcPy

I am writing an ArcPy script that creates a Point Density Raster file, and then changes the following properties in the resulting layer: Symbology Classified Classes = 10 Classification Method = ...
0
votes
0answers
27 views

QGIS style save issues

I have a map that I want to do graduated chloropleth maps for each year over 10 years, and I would like to use the same graduations for each year. I know this was asked earlier and therefore I know ...
0
votes
1answer
32 views

Symbolizing Raster using single Unique Value?

I'm dealing with a raster in GRID format. Currently it is symbolized in Unique Values and contains 5 classes. I'm trying to consolidate these to one class. Is there a way to do this and keep a single ...
1
vote
0answers
23 views

Odd characters showing up in symbology view

I am trying to symbolize based on company name but there are weird Greek symbols showing up in my Symbology view of the actual field values. Has anyone ever had this problem? The weird symbols do not ...
0
votes
1answer
1k views

How to automatically export multiple maps with quantile symbology?

I am a relatively new ArcGIS user and I have a question about automating a tedious join/symbology classification/export operation. I have a very simple shapefile to which I join a bunch of fields. I ...
5
votes
0answers
43 views

How to switch off symbol when label is unplaced due to conflicts? [duplicate]

Using either the standard ArcMap labelling engine, or the Maplex engine, it is possible to automatically omit labels from the map when the area is too congested. Eg in the centre of this image, ...
5
votes
1answer
409 views

Copy and Paste symbology in Raster?

I am trying to figure it out how can I take a preserved color from a raster I already set up before and then apply the colormap to a new raster file? Here are the details of what occurred: Before ...
1
vote
1answer
31 views

How to change the symbology on many image files within a group?

I have a group of raster images from lidar data (so a DEM). When loaded in, they all have different symbology - so their color scheme and color ramp are all different. I would like to create a group ...