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

learn more… | top users | synonyms (1)

1
vote
0answers
22 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) ...
1
vote
1answer
20 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!
0
votes
1answer
20 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, ...
0
votes
0answers
31 views

python code doesn't preserve original range of values from my raster colormap template

I'm working towards an animation or movie of some distributed model output so I need to use a batch process for several hundred rasters that applies a consistent colormap and value range, however the ...
1
vote
1answer
25 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 ...
1
vote
1answer
18 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
votes
1answer
47 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 ...
1
vote
1answer
31 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 ...
3
votes
4answers
80 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
votes
1answer
64 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 ...
1
vote
1answer
20 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 ...
0
votes
1answer
26 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 ...
0
votes
1answer
16 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 ...
0
votes
0answers
15 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 ...
5
votes
3answers
167 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. ...
0
votes
1answer
16 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 ...
0
votes
0answers
16 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
votes
1answer
52 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
votes
1answer
49 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 ...
1
vote
1answer
43 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
votes
2answers
93 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, ...
2
votes
1answer
36 views

Using a colour wheel as a colour ramp for displaying directional data in Arcmap

I would like to define a colour ramp for displaying direction data in a 'smooth' fashion. So for data in degrees there wouldn't be a jump in colour between 359 and 0 degrees. It seems to me a colour ...
0
votes
1answer
40 views

Apply Symbology from Layer in ModelBuilder?

I have a model in ModelBuilder that takes a shapefile, runs some tools on it, adds it to a geodatabase, applies symbology from a layer file and converts it to a KMZ. It all works fine except for the ...
0
votes
1answer
52 views

Search layer in MXDs

I work on arcview 10.3 and i try to find layer called "ways" in several mxds. i try this code but it does not work. anyone know how to do it?: import arcpy,os,sys,string import arcpy.mapping from ...
0
votes
0answers
18 views

Representing a line feature layer with Markersymbols in ArcGIS JS API

I am setting a scale dependant renderer for a Featurelayer (geometry type =line) so that in smaller scale it can represented as a marker symbols and in higher scale with a Line symbols. When I tried ...
1
vote
2answers
58 views

Symbolising multiple lines in the same location

I would like to produce maps showing multiple lines that are in the same location. This poses the problem that the lines overlap each other making one of multiple lines visible when displayed in a ...
3
votes
0answers
53 views

How to set up graduated colors for a layer using ArcObjects?

I have to render a feature layer with a graduated colors renderer, using the ArcGIS API for Java (or VB, .NET). As the feature layer data is created dynamically using webservices, I don't in advance ...
1
vote
1answer
33 views

How to label a road with my symbol multiple times?

I am trying to label a road that I create with Select Features, with a symbol multiple times along the road. Is it possible to recreate my symbol multiple times along the road to label it?
1
vote
0answers
17 views

How to use Infinity in GeoServer SLD colormapentry

I am trying to write an SLD with the last interval ending at infinity, (i.e. have the last interval include arbitrarily large numbers. Currently, I am using a large value like this: ...
1
vote
1answer
48 views

How to show\hide symbols according scales

How to show\hide symbols according scales, I couldn’t figure out if there is a way to hide symbols depending on scales the same way we do with labels. For example, in the screenshots below, the ...
3
votes
1answer
34 views

Searching semantically for symbols in ArcGIS Desktop?

Sorry for the noob question, but is there any resource (on the web) where I could more or less search semantically for symbols to use in an ArcMap layout? Using the Symbol Selector, I have to scroll ...
1
vote
1answer
63 views

Adding a Style to QGIS

I've downloaded the VA Geological Survey data set (http://mrdata.usgs.gov/geology/state/state.php?state=VA) that I have already on Google Earth as a kmz. The various formations are color coded. ...
3
votes
0answers
35 views

Can I automate the transfer of symbology information of a raster to a polygon feature?

I have a raster dataset that is symbolized using Natural Breaks (Jenks) classification (9 classes). To reduce file size for web service display and download, I used the Reclassify tool to remap pixel ...
1
vote
1answer
37 views

How to do dot density in ArcGIS Online?

I have some census tract polygons with language spoken at home attribute data behind them. I created them in ArcMap and produced a dot density map. However, after importing to AGOL it's only the ...
2
votes
1answer
54 views

ArcGIS 10.1 Graduated symbols drawing order not displayed correctly

When I use graduated symbols for a polygon layer to display population density, the layer is always displayed on top of all the other layers even if I dragged it to the bottom of the Table of ...
2
votes
3answers
58 views

How to highlight the number of overlayed lines in ArcMap?

Using ArcMap 10.2, I have a feature class composed of several lines representing bus routes for the same transit line. There are different routes according to schedules. In the image below, each route ...
1
vote
1answer
43 views

Semi-transparent picture symbols in ArcObjects

When creating a new point layer with picture symbols in ArcMap 10.2.1 using ArcObjects, I have tried several ways to load semi-transparent symbol images from .png files, but to no avail, the ...
1
vote
3answers
108 views

What is the smallest size a point can be represented on ArcMap 10.2?

I have a large number of points that I need to plot and want to avoid overlaying them wherever possible. Whenever I choose a figure <1 for their size, I don't see any difference, yet ArcMap seems ...
1
vote
3answers
42 views

How can I display a symbol to a specific attibute in QGIS

I have a point shapefile, where I categorized my waypoints with attributes (schools, toilets, etc) and I would like to display certain attributes with specific symbols. How can this be done? Thank ...
6
votes
2answers
163 views

Including labels in map legend and point symbology of ArcGIS for Desktop?

I've been using gis.stackexchange for some time already and time has come for me to ask my first question here. I have point feature class with habitat types. There are two important attribute ...
6
votes
2answers
87 views

How to decide how to “stretch” raster imagery?

I have to symbolize a digital elevation model. ArcMap offers many different setting for stretching the symbology which all give widely different results. Some stretch methods symbolize the data so ...
3
votes
1answer
69 views

What effect does standard deviation have on the display of DEM rasters?

I need to explain why ArcGIS offers the function "standard deviation" when symbolizing rasters with the Stretch method. The Standard Deviation is a measure of how spread out numbers are and is ...
1
vote
1answer
44 views

Remove cell boundaries of raster pixels converted to vector format

I have a solar radiation shapefile with 10 km x 10 km cells. When I put it on QGIS, many pixels with boundaries take place. Please see the following image: How can I remove them in Qgis?
0
votes
0answers
67 views

QGIS - Tabular output for labeling

I'm new to QGIS and am trying to figure out how to output labels under a tabular symbology (I would have liked to post a file showing what I want but can't find a way to submit a file) : So my ...
0
votes
0answers
77 views

QGIS raster symbology problem in 2.6

With the new 2.6 QGIS version I often have problems with raster colors. For some reason certain pixels do not display initially, but if I move the raster a little spatially they show up.
3
votes
0answers
102 views

QGIS 2.6 Brighton - Graduated Symbols

I can't get graduated symbols to show in QGIS 2.6. This is what I have done. I have two fields of type integer, saved as a shape file which I have tried to import as a shape file and as a secondary ...
1
vote
4answers
101 views

Apply Symbology to Rasters using Arcpy Script

I have an ArcPy script to apply the symbology of one raster layer to all of the raster layers in the table of contents. I have used this script before with feature layers instead of raster layers, and ...
3
votes
0answers
28 views

QGIS - assign different colors for SVG markers also in categorial / graduated symbols?

I understand it is possible to customize the color of an SVG marker via param(fill) However, I have to set the color manually, and cannot automatically assign it through categorical or graduated ...
1
vote
1answer
47 views

How to portray symbology with multiple attributes?

I have four columns, (A, B, C, D) and each can be ranked 1, 2, or 3 (point data). I would like to portray each category at once based on colors assigned to the rankings (1 = green, 2 = yellow, 3 = ...
1
vote
0answers
32 views

QGIS symbols using “advanced — size scale field” aborts rendering if encounters negative [closed]

Not sure if this is new in QGIS 2.6 Brighton, but I was struggling to get my points (small area centroids) to properly scale in size based on attribute values (population growth). Only a few dots ...