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

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6
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4answers
1k views

Can someone help me identify this part of the map?

I'm sure 1 is a road, but what are those bumps on the side? I'm guessing 2 is a footpath. I have no idea what 3 is, if you don't know what it is, fine, let's leave it at that. I searched for what ...
4
votes
1answer
42 views

cartographic line develop spikes when applied offset value

version: ArcGIS 10 I am using a number of lines in certain polygon. As I apply offset value to the outline, spikes/kinks are produced as shown in the picture. Any solutions to remove the spikes and ...
1
vote
1answer
29 views

getSymbol of FeatureLayer

I'm working with the arcgis javascript API on a webmap. I have a feature layer on some server which I'm consuming in my webmap and now I want to get the different symbols/icons of that layer one by ...
1
vote
1answer
62 views

Polygon with dash-dot-dash border style

I'm developing a WPF application. One of my requirements is to have polygon borders drawn with a dash-dot-dash style. Is there a way to accomplish that in the client side? So far I've tried: var ...
3
votes
0answers
98 views

Symbology Representations in QGIS

Is there a way to create and apply non-destructive symbology to features in QGIS? In ArcGIS, you can create 'representations' of a feature classes symbology, which allows you to make independent ...
0
votes
1answer
37 views

is there a way to automate symbology in ArcGIS?

I would like to know if there is some way to automate symbology based on my attributes. I have a list of zipcodes and a column which contains ID-codes of waterstations delivering water in that area. ...
2
votes
2answers
57 views

Is there a way to change symbol size units dependent on scale?

Is there a way to change a layers symbol size from paper units(mm) to map units(m) once you hit a certain scale without adding duplicates of each layer? QGIS 12.2
1
vote
0answers
33 views

Styling points with shapes and graduated symbology in QGIS

I have a point vector layer based on a .csv file. I am trying to show categorical data (seasons) and continuous data (catch per unit effort, CPUE) at sampling sites that get revisited. I have used ...
0
votes
2answers
258 views

Changing symbol scale in ArcMap legends?

I'm using ArcGIS 10.3 and the "Legend Wizard" does not offer me a method to include symbol size within my legend. I have my symbols by color in the legend but I would like them by symbol as well, as ...
3
votes
1answer
70 views

Trying to use Symbols to represent numerous fields

I am using QGIS 2.12 in an Archaeological setting. I have populated a layer with features that represent burials and I have the intent for symbols to appear in the burial polygons to represent the ...
1
vote
0answers
23 views

QgsCategorizedSymbolRenderer default ramp colors

I have a plugin and I want to symbology a vector file with some default ramp colors but I see that in graduated symbology is not so easy as in graduated symbology. Is it possible to assign a default ...
0
votes
1answer
46 views

Mapserver: set symbol on lines according to line features length

I need to display arrows alongside to line features. Lines represent water pipes. The issue I'm facing is that lines are a concatenation of numerous line features of various lengths. Therefore, ...
1
vote
1answer
30 views

Mapserver: avoid symbols to be cut

I use an arrow as a symbol to follow lines, but in several cases, symbols are cut (when line features are too small or changing direction). Here is an example of the result on my Web site: Here is ...
2
votes
2answers
118 views

Legend symbol angle in ArcMap 10.3

I work on a map with rotate data frame. When I create the legend, the symbol line in the layers on the legend are angle to different directions than the layers in the map: I try to find a way ...
0
votes
2answers
126 views

Symbolizing polygon fill color based on HTML hex color attribute value in ArcMap?

I have a set of polygons that I need to symbolize with a certain color. I have an column in the attribute table that contains the contains the html hex color value (#FF0000 Red) that I want the ...
1
vote
0answers
89 views

How to change default symbol in Categorized symbol renderer (python console) or use different icons as vector layer symbols?

I have a point shapefile in QGIS 2.10 and I want to display one of its fields attributes based on its unique values (I always know that it has 4 unique values and their values so I do not care for the ...
0
votes
0answers
59 views

ArcGis Feature layer does not display symbols consistently on web browers

I have a Feature layer that does not display symbols consistently. Symbols at certain locations are randomly not be visible. Zooming in-out will randomly show/hide a symbol at a particular location ...
2
votes
0answers
52 views

QGIS Nautical Chart Symbols for sector lights

This is I know going to be of limited interest to many of you but I teach navigation and I am working on producing test questions and charts for assessing learners knowledge. My problem is solvable ...
0
votes
0answers
51 views

ArcMap Symbols displayed rough / blurry after changing the data frames coordinate system

I had to change my data frames coordinate system from a custom coordinate system (ETRS_1989_UTM_Zone_32N_6Stellen) to ETRS_1989_UTM_Zone_32N_8stellen. The only difference between both systems is a ...
9
votes
1answer
290 views

Adding labels with symbols to legend in ArcMap?

I'm creating a map with ArcGIS Desktop v10.2.2, showing museums as points. The museums layer has no symbol and the labels are made of a circle filled with color with the ID inside, taken from the [ID] ...
4
votes
2answers
75 views

column data to shapefiles

I'm using QGIS 2.8 and am trying to take a shape file that has multiple column data and display that as individual shapes. For example...I have a soil test data table that includes pH, P, K, Fe, Zn ...
0
votes
0answers
35 views

Symbology in geoprocesing service?

The output of my geoprocesing service in ArcGis Server 10.2 is a feature class, this feature class has a symbology file from a layer file (.lyr) The problems is that the output feature class is ...
1
vote
1answer
36 views

Finding metadata about symbology in *.lyr file, data-source missing?

I have this lyr file which have a data source I don't know where is. When I set a new data source, it's the lyr file with all the symbology that gets replaced with the default values from the data ...
1
vote
1answer
22 views

QGIS 2.8 Change Colour of Selected features [duplicate]

How can I change the colour of the selected features in QGIS. The light yellow is not easy to see.
2
votes
4answers
59 views

Change selection colour QGIS 2.8

How do I change the colour for selected elements? I am selecting using select rectangle and the selected elements are almost invisible.
0
votes
0answers
15 views

ArcGIS AddIn to load qgis symbology

I'm looking to make an add-in for Arc so that I can load symbology created in QGIS. I'm familiar with Arc and the way symbology works in it, but I'm unsure what the best way to tackle QGIS symbology ...
0
votes
2answers
69 views

What symbology to use to show population development?

In ArcMap I have made a layer containing two cities and the number of population from 1968-2014. I need help with what symbology to use to show the population development for each city. I have tried ...
2
votes
1answer
33 views

Road Type Symbology Query (non technical)

Does anyone know of a good resource/resources for road type symbologies? I am looking to update the symbology of a Road class layer which has 8 categories. The Road schedule is for Ireland. So a ...
1
vote
1answer
31 views

Multiple attributes - is it possible to do variation by shape?

I am making a map of winter coat color for several species. I have two fields: species name and winter coat color. The latter can be either white or brown, and I would like to code, say, brown winter ...
1
vote
0answers
48 views

Changing label symbology in ArcPy?

I'm trying to change the default symbol (font, halo etc) for labels of a layer that I am adding to an mxd. Below is what I have so far, but the template layer font style didn't show up in the map. ...
1
vote
1answer
72 views

Save/ import style of chart symbology in ArcMap?

I am trying to save a style for a chart symbology. I can save it as .lyr file but I can't import the .lyr file into the chart symbology after: it says "this symbology option is not supported for ...
2
votes
0answers
22 views

QGIS 2.12 Symbology does not work correctly [duplicate]

I use QGIS for a long times on mac and windows and i have a problem with the 2.12 version on my OSX 10.8.5 when I want to edit style of my vector layer. When i click on properties of a vector layer ...
1
vote
1answer
102 views

How to write less than or equal in the label of graduated classes in symbology?

I'm using ArcGIS 10.3. How do I write less than or equal in the break values of the labeling in symbology?
2
votes
2answers
34 views

How to unify the color of graduated classes (in symbology) across several maps?

I'm using ArcGIS 10.3 I have got 3 maps for the same parameter across several years. I want the color of each class (e.g. 0.801-1.000) across all three maps to be the same to make comparison easily. ...
0
votes
0answers
18 views

How to ApplySymbologyFromLayer but autogenerate unique color?

I am trying to write a script that will allow me to change all the layers within a selected group layer to a particular symbology. For example, we often want to change our point data to all display ...
1
vote
1answer
75 views

Can ArcGIS automatically round labels for a raster symbolised according to a classification? [duplicate]

I'm looking for a way to automatically adjust the reported precision of the label field for a float raster rendered in ArcGIS according to a classified symbology. Currently, the a classified raster ...
4
votes
1answer
164 views

How to change the number of decimal digits in arcmap in symbology

I'm using ArcMap 10.3. In symbology, there are 6 decimal digits for the different classes of the variable I'm presenting. I'd like to show only 3 decimal digits. I can edit the label and change the ...
0
votes
0answers
12 views

Converting RGB values from CSV to ArcMap Save As Layer File? [duplicate]

I would like to Convert RGB values from a CSV to a ArcMAP save as a layer file. I have a csv file with 4 columns. First column shows Depth in feet and second, third, Fourth column shows that RGB ...
1
vote
0answers
53 views

Data dependent override on colour and linewidth of line pattern fill not working after upgrade to QGIS 2.12

I have recently upgraded to QGIS 2.12 which has resulted in a problem with one of my projects, whereby the data dependent override of the line width and colour of a line pattern fill and SVG marker ...
0
votes
1answer
40 views

How to set identical EXCLUDE conditions for multiple layers all at once?

We do noxious weeds surveying, and have a geodatabase with separate point feature classes for each distinct species. In our Noxious Weed map, we have all of these species arranged into a single group ...
2
votes
1answer
39 views

rendering style symbol (star) separately, not on the map, Openlayers

I try to create a legend for the map separately in a different div. How could I render a symbol (star e.g.) somewhere else in html, not only on the map with OpenLayers? I guess I have to call ...
0
votes
1answer
47 views

Is there an Export All Features in View Extent equivalent with ArcPy?

I would like to dynamically classify a layer's symbology based on the current view extent. As in, quantities of a specified field will be classified into quantiles based on the range of values of the ...
1
vote
0answers
21 views

Specifying rectangle symbol with height/length based on attributes values in mapfile?

I need to specify a rectangle symbol in a mapfile. The symbols should be of varying dimensions based on height/width values stored in a table's attributes. Is it possible to do something as with the ...
0
votes
1answer
52 views

arcpy: read color value of shapefile loaded in ArcGIS Desktop

I've got various polyline shapefiles loaded in ArcGIS, each using the default line style with different colors. For a python addin I'm working on I would like to use arcpy to read the RGB value of ...
1
vote
0answers
29 views

ArcGIS Javascript Legend widget does not show full color ramp

Has anyone used the legend widget with raster map services? I have created a GP service that returns raster maps, but the legend is incomplete. The ArcGIS layer properties are shown here, and below ...
0
votes
1answer
46 views

Setting color to line layer using VBA in ArcGIS Desktop?

I am getting the compile error at pcolor.RGB. I want to add a color to the line feature. How to modify the code? Public Sub surya() Dim pmxdoc As IMxDocument Dim pstylegallery As IStyleGallery ...
2
votes
1answer
44 views

How to obtain coordinates from points with similar symbol in an image?

I would like to obtain a table containing all the coordinates of the triangles in the following image. I know it is possible to georeference my map using the georeferencing plugin and then I can ...
1
vote
1answer
68 views

A python script to batch add layers to multiple rasters?

So I have looked at existing tools and there is nothing to batch change symbology to a myriad of raster surfaces (20+). Basically my manual process is to right click on the rasters layer properties, ...
2
votes
1answer
50 views

Is it possible to symbolize a layer with time from now?

Using Arc Desktop 10.3.1 and AGOnline, I have a polygon feature class showing different service zones and the dates of last service. I would like to symbolize this using a time from now, ie if it ...
2
votes
2answers
69 views

How to automatically group values in symbology based on rules

I want to display a points feature giving each point a color depending on the range of values within which it falls, because I have more than 120.000 values (one for each point) and don't want one ...