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

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2
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1answer
92 views

Data loads with preset symbology in ArcMap

I have a set of points in a file gdb. When I load them in ArcMap or ArcCatalog, the data displays with unique value symbology based on a field rather than "single symbol". How do I get the data to ...
0
votes
1answer
155 views

Modify Map Service Symbology via Esri JavaScript API

I have a JavaScript application built on the Esri JavaScript API that is consuming a feature service and a tiled map service from ArcGIS Online. I developed a widget that allows the user to change ...
0
votes
1answer
85 views

How to standardise colour-value graduations across multiple maps

In QGIS I have a vector dataset (imported csv vector + csvt) spanning multiple years, and a shape file shape which is essentially a grid. By joining the csv file with the shape file I can apply a ...
2
votes
1answer
273 views

Why does ArcGIS for Desktop legend not always show symbol as desired?

I have a problem with the legends in the ArcMap because the patch does not show the marker symbol inside it well. Whenever, I move the legend it changes but never to what I want for every patch. I ...
1
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0answers
152 views

Sources for German Standardized Symbols in QGIS

German Original: Gibt es für QGIS eine Phytonerweiterung "Planzeichenverordnung"? Zur Bearbeitung von Flächennutzungsplänen und Bebauungsplänen kommt man an den Planzeichen nicht herum. ...
0
votes
1answer
174 views

How to change rasterlayer color?

I have rasterdataset in gdb. I create layer from this rasterdataset. private static void CreateLayer() { ... IRasterLayer rlMosaicDataset = new RasterLayer(); ...
1
vote
1answer
89 views

Resizing symbol changes its position on the map

I have character symbol for my point feature class from ESRI AMFM Water - Unicode 117 with offset Y:10,7 and size 36. At that moment it is placed perfectly as it is shown on a first printscreen. ...
2
votes
1answer
152 views

Which Graduated Symbology to use in QGIS

I am trying to map demographics data for a county in the UK based upon a combination of Census data. I want to compare the the averages for the county alone to the averages of the UK as a whole and ...
5
votes
1answer
524 views

ArcGIS Symbology Transparency

Using ArcGIS 10.1, I am interested in symbolizing a series of polylines to generate a pseudo-heatmap like one of the answers to this question. The essence of the solution idea is to symbolize each ...
1
vote
1answer
315 views

Geoserver optional symbology with variable substitution in SLD

I am trying to write an SLD that optionally takes a symbology for a PolygonSymbolizer and I can't work out how to do default to no symbology if the symbology env parameter is not set. I have used the ...
0
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0answers
441 views

Create .avl file Table

i would like to create a table of the .avl file i use as my symbology layer but cant come up with a way to do it in arcmap 10. Any thoughts?
0
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1answer
123 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 ...
0
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1answer
489 views

ArcGIS Attribute table appears empty until features are selected

I have a multiple layers that show features in the data frame and the layers are editable and labeled, but when you open the attribute table for these layers, it's empty. The only way to get the ...
1
vote
0answers
81 views

Is it possible to use USGS .shd files in QGIS?

Has anyone successfully used QGIS with US Geological Survey shd files to map geology - specifically to display colors and geological symbols (dip/strike etc) stored in a USGS supplied shd file. ...
3
votes
1answer
407 views

How to add complex Emergency Symbology (TrueType fonts) to QGIS?

In other packages I would simply ensure the TrueType font (+.ttf) was loaded on the operating system and it would be available for use. QGIS seems to rely on making your own. The symbols I wish to ...
1
vote
1answer
211 views

How to create “two-dimensional” color ramps in QGIS?

Is there a way in QGIS to create a "two-dimensional" color ramp for the graduated symbology; i.e. a color ramp that determines a color based on two different attributes? My situation is that I want to ...
1
vote
1answer
38 views

How can i display the color of my labels into the content table?

The thing is that i need to display labels based on colors but without the symbol. In this case i'm working with points in Arcgis 10 and the maps needs to display only labels with color-based ...
0
votes
1answer
65 views

Using an image file as a placemark in qgis

I am making a map of sports clubs in London. I have each club's crest as image files (tiff) and want to make the placemark symbol using these images. I know it's possible to upload images in the SVG ...
1
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0answers
126 views

WMS: point “pointer” symbol with offset - getFeatureInfo search area slight mismatch

I'd like to ask what ways there might be to adjust a point's getFeatureInfo search area so that it matches a "pointer" (i.e slightly offset) symbol. We are running GeoServer 2.2.0 (part of an Opengeo ...
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0answers
62 views

About symbol position

I have to draw in ArcGis a graph which has the end points of each segment with a circle. The circle has to be unique at the same point when two or more end points are coincident. I’m using the font ...
2
votes
1answer
119 views

Symbology for Unique Values with Domain

I'm wondering if there is a workaround to this. I want to symbolize a feature class categorically by unique values. The field that I'm doing this on has about 5 unique values. I also have a coded ...
2
votes
1answer
124 views

QGIS link values longer than the links?

Can you please help me to correct link rapresentation when the thickness exceed the links. In the image you can see the value on two consecutive links that generate a bad view. I think it depends on ...
10
votes
1answer
1k views

How to create desire lines in QGIS?

How can I show the flow coming from an Origin-Destination matrix as desire lines? I need a result like the one in the picture below. I need to scale them proportionally to its value (coming from a ...
1
vote
1answer
668 views

Color ramp in multiple attributes symbology (Arcmap)

I am trying to use the "multiple attributes" symbology tool in Arcmap 10. I would like to divide my data in 2 categories. For each categories, I would like to display a color ramp. I read ESRI's ...
0
votes
2answers
774 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 ...
2
votes
1answer
96 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 ...
2
votes
1answer
104 views

Is it possible to set the color of a symbol from an attribute of the graphic?

I have a feature layer used in a client flex application. The feature layer is used to publish a feature class that has many attributes. Among those attributes there is one named "color". As its name ...
0
votes
2answers
93 views

MapServer: Symbol color is set in mapfile. Is there a way to change it using javascript (ie not in mapfile)?

I have a mapfile where the symbol color is set to blue. In my html I have a hover event that brings a popup when the user puts their cursor over the symbol. Working as intended. Now on that same ...
0
votes
2answers
176 views

ArcMap - Symbolism Wildcard

This might be one of those slap your forehead so simple questions. In ArcMap, how can I use wildcards to aid with map symbology? For the example below, I have tried adding values such as "Field *" ...
2
votes
1answer
371 views

Importing AUTOCAD .dwg to Arcgis Symbols

My client has some symbol drawn in autocad.. they are saved in .dwg files. How can I import them into ArcGIS symbols? I have FME 2013, I am not sure if that helps.
2
votes
1answer
116 views

Replicate Import Symbology Matching Dialog in ArcObjects?

In Arcmap I can render a layer with same symbolgy applied to different fields by way of re-importing the .lyr file and choosing a Value Field. How can I replicate this functionality in ArcObjects?
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0answers
102 views

Road Symbology Issues

I have preparing road symbology using Arcmap 10.1 version. When I was prepared attribute based symbology as a layer shown on symbols were overlapped. I have attached an example image to show the ...
0
votes
1answer
43 views

QGIS Symbology changes by number value

I've gotten a state file with count outlines joined to an attribute file that shows numbers of items per county. ArcGIS has the ability to set the symbology to grade the results into pre-determined ...
0
votes
1answer
296 views

Apply Symbology to a group layer

I currently have around 200 features that all need have the same symbology applied to them. I have used the ApplySymbologyfromlayer_management however this takes much to long to process, at least a ...
1
vote
1answer
136 views

How to symbolize more than one attribute simultaneously in QGIS?

Each symbol can show different properties such as temperature and pressure, etc. I want to change the symbol color according to one property and size with another one. How can I do it in QGIS? Thanks! ...
0
votes
0answers
213 views

Display colour coded road traffic data in QGIS

I would like to colour code a shape file containing road polylines to represent the heaviest flows of traffic. The shape file contains attribute data linked to each section of road where road traffic ...
3
votes
2answers
83 views

Symbology count in database form

I am working on a file which contains points from different areas of country. I have symbolized points. I want the feature count of respective area in a database form in .dbf file or excel etc. How ...
1
vote
2answers
923 views

How to Add Shapefile with Symbology from Layer File to ArcMap MXD using ArcPy/Python?

Say I have a Shapefile: C:\DATA\points.shp A layer file: C:\SYMBOLOGY\symbology.lyr And a map document: C:\MAPS\map.mxd How can I add points.shp to map.mxd with the properties of symbology.lyr ...
0
votes
1answer
93 views

Need help in Symbology for ArcGIS JS API 3.2/3.3

I am displaying various symbols in my application and initially all are displaying at once (looks like bulky) so how do I set symbol levels in ArcGIS so that according to zoom level symbol size will ...
3
votes
1answer
123 views

Is it possible to use different symbols instead of colours in one shapefile in QGIS?

I want to show 50 bird species on a map and give each species a different symbol (with a different colour) so they can be visually distinguished in the map. Is this possible?
1
vote
1answer
90 views

Basic traffic volume map [duplicate]

I'm trying to map the volume of people traveling from various cities to popular mountain towns in British Columbia. I have a .csv containing the starting point, ending point and number of travelers. ...
1
vote
1answer
545 views

arcpy.mapping Graduated Colors Symbology

I'm trying to figure out how to apply graduated color symbology to a feature class by using arcpy.mapping in ArcMap 10.1. To start, a script runs and a feature class is added to a map document, no ...
2
votes
1answer
198 views

How to ensure different colors for surrounding polygons in ArcGIS?

I can symbolize my polygon in ArcGIS by categories. I tried for every field. But unfortunately in few polygon it showing same color those are just beside of same color polygon. I have to categorized ...
0
votes
0answers
129 views

Model Builder not completely honoring lyr file

I have created a series of map templates for one of our departments that each have an associated model. As part of the model I also created a lyr file for symbology and labeling (the subject parcel ...
1
vote
0answers
126 views

How to programmatically change an SVG symbol in the Vector Layer?

I'm trying to change the symbol used in a layer via Python. I've been able to tunnel through a vector layer to the symbol layer, but I don't know how to change the symbol it's using. I'd like to ...
1
vote
1answer
197 views

Where does the Style Manager store the files in and Why does the Style Manager does not show some edit color ramps?

Where are Color Ramp files saved? Every time I make edits, it does not show up on the Style Manager. Does it save it to the hard drive or in the Style Manager? I need more information. Thanks
5
votes
1answer
439 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 ...
8
votes
3answers
272 views

What does this style of line on Topographic maps indicate

If I was reading the purpose of this stackexchange site right, I could also ask general map questions. Not necessarily regarding software. Anyways, I was wondering if someone could inform me what ...
4
votes
3answers
75 views

varying size of symbol depending on number of datasets

i am trying to map archaeological finds with qgis. some of them have the same coordinates since they are from the same site or very close to each other. is it possible to automatically display the ...
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0answers
27 views

Preventing symbols from different layers from interfering with each other in ArcGIS online

I am tackling a project that contains several new elements for me since I am a high school social studies teacher and not a full-time GIS professional. For this particular project I am trying to show ...