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

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274 views

How to create a color ramp to change the color of a svg image in arcgis javascript api

I have a svg image to create a PictureMarkerSimbol for a feature. How to create a color ramp to change the svg color based on a criteria, like a attribute on my feature? The ideia is like that: var ...
2
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1answer
511 views

How to make icon marker size variable depending on data value using CartoDB?

Is there any way in CartoDB where I can make the size of individual icon markers, visualized on a CartoDB map, variable and set according to its data value in a given data range? Similar to the ...
2
votes
1answer
214 views

graduated labels in QGIS

I've searched on Google but haven't found an answer. The QGIS Dufour GIS provide an enhanced vector-styling interface but is it also possible to graduate the labels like it is possible for the markers?...
3
votes
1answer
83 views

Symbolize layer and group names in TOC?

I regularly have quite large mxd projects, with lots of feature layers referenced in Table of Contents (TOC). For simplicity I group them together. The problem is that I can't see the difference ...
4
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1answer
190 views

Is it possible to store a default symbology layer in an arcpy add-in?

Since arcpy is limited in how symbology can be manipulated, I was curious to know if a symbology layer can be stored in an arcpy add-in. Does anyone know if it is possible to store a .lyr file, or ...
5
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2answers
657 views

Auto-updating symbology between *.mxds for same shapefile using arcgisscripting?

I have a variety of .mxds for any one project I'm working on, which are all different but all use the same set of base shapefiles for my project. I know I can save a .lyr version of my initial ...
0
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2answers
107 views

ArcPy symbolize layer if a value is correct

I want to symbolize a layer in an active session and add to display if some kind of value is right. I found a way to symbolize in an active session here So i tried to extend it, but unfortunately it ...
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1answer
1k views

Arcpy ERROR 000732 when ApplySymbologyFromLayer

I want to split a shapefile by certain attribute and then apply a symbology layer, finally output it as a KMZ file. R1 = outpath + 'R1.lyr' arcpy.MakeFeatureLayer_management(fc, R1, "WHERE CAUSE") ...
2
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3answers
159 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 ...
1
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2answers
826 views

Paper Size and Symbol Size in ArcMap

I am new to ArcMap. I have an assignment to prepare map of each wards of a municipality. The data are point features. I need to print the map in different scales. like 1:2500, 1:5000 and also in ...
0
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0answers
83 views

Python running models and output symbology

Trying to run a model using python script. The script is running, the symbology is set up in the model, but the symbology is not displaying in the KMZ output when run as a geoprocessing tool. Works ...
2
votes
1answer
614 views

How to style virtual vertices when using the ModifyFeature control with OpenLayers?

I am building an Android application that uses OpenLayers embedded in a WebView. Being mindful of the imprecision of touch interfaces I am trying to style all controls to be large and easy to operate....
1
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2answers
231 views

how create a specific sub-study area in ArcGIS 10.1 - difficulties with classification

My study area is quite large (sometimes spanning across a few grid squares) and when I am running a viewshed analysis or calculating slope or euclidean distance it calculates for the entire region. ...
1
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0answers
225 views

How to change icon symbols in QGIS? Can icons have JavaScript animations?

There are a lot of SVG files located in the "QGIS Dufour" Program Files folder on my PC. I was thinking that I could find the symbol that I want to change in the GUI in this listing in InkScape so I ...
1
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3answers
1k views

How to symbolize a layer on multiple fields?

I'm working in ArcGIS 10. I have a layer that contains 8 attributes and each one of these fields can be categorized into 3 sub categories. I need to display them on a single map. Update I ...
2
votes
2answers
100 views

Is it possible to change the symbol size for a layer that is symbolized by unique values in ArcMap?

I frequently symbolize layers by unique values (e.g. first rock type encountered in an exploration drillhole). This typically results in a layer with 15+ unique rock type all symbolized by the same ...
2
votes
2answers
377 views

Mapserver: Symbolize ends of a line

I have some lines I'm attempting to symbolize in Mapserver with discrete symbol at each end. Currently my .map file is set up this way: STYLE SYMBOL 0 WIDTH 1 COLOR 0 0 0 END When ...
2
votes
0answers
57 views

Why do my font choices not appear when setting symbology in ArcGIS

I have noticed this, it seems to be a bug. I will set the typeface for the symbology for one legend/feature class, but as soon as I want to apply it to another feature class the font grays out or is ...
3
votes
2answers
353 views

How to remove tiny polygon outlines in geoserver sld?

The data I am using a polygon feature layer, consisting multiple polygons and I want to show the same without polygon outlines. In ArcGIS I simply use outline colour as no colour. This produce the ...
4
votes
2answers
1k views

Convert Autocad blocks to ArcGIS symbols

Im trying to import Autocad blocks into ArcGIS. The polyline part of the symbols in these blocks i want to store as a symbol in ArcGIS. Some symbols i was more or less able to find in existing ...
1
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0answers
278 views

ArcGIS - Custom, rule-based borders for polygons?

I've been working with a map that looks something like this: Wherever two polygons of different types (shown above with different colors) meet there needs to be a thick dashed line between them. ...
6
votes
1answer
2k views

How to transfer styles from QGIS to ArcGIS?

We have a QGIS project that has symbols for a lot of different lines. Data comes from a geodatabase that is accessible to both QGIS and ArcGIS. We now want to use the symbology of the QGIS project to ...
2
votes
1answer
3k views

Saving vector layer with specific symbology using QGIS?

I am creating a polygon feature layer with soil classes in QGIS. I need to share this layer with some colleagues and I need the layer to maintain the color ramp I have created. Is there any ...
5
votes
1answer
2k views

Managing symbology in Feature Classes

I'm using an enterprise db to store my data and I'm writing a python tool that allows me to interact with that data in ArcMap. However, all my layers someone have "OTHER" for the symbologyType (not ...
3
votes
2answers
1k views

Arcmap point symbol/marker size, How it works

I am trying to figure out how the size of markers in arcgis works. I understand that a square marker set to 1 pt is 1 pt for specific scale. but when I import emf or font, How does the change size ...
1
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1answer
512 views

Set symbols for a layer in ArcMap with two classes (greater than zero and less than zero)

I need to symbolize features in a feature class with two colors thus defining what features have positive (>0) and negative (<0) values. The only two ways I found this to be possible are: To use a ...
1
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0answers
35 views

QGIS rule-based point style responding to number of co-located objects? [duplicate]

I am mapping the geolocated location information for 5.5k Twitter profiles as point data. Many of them have the same location ie "London, UK" meaning that they return identical coordinates. On the map ...
2
votes
1answer
214 views

How to change the colormap in QGIS 2.01?

I decided to say goodbye to ArcGIS and switch to QGIS which is nice, but it has given me a hard time to handle various problems. Few months ago, I made a map using QGIS 1.8 with a relief background ...
3
votes
2answers
523 views

It is possible to use different fields for symbology and legend labeling in QGIS?

[Edit : working with Quantum GIS version 2.0.1-Dufour] I wonder if it is possible to use some field to set the symbology and some other to label the map. [Edit 1 : I mean labeling the legend in the ...
1
vote
1answer
485 views

arcpy symbology colors changing on RefreshActiveView()

I have a problem that I'm not sure is functionality not built into arcpy or I'm just doing something wrong. I'm using arcpy.mapping.UpdateLayer() to apply symbology to a layer, but afterwards some ...
1
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0answers
340 views

Style manager not working to batch style group in QGIS 2.0.1

I am trying to apply batch styling to a group of layers using the style manager by setting the conditions, but the symbology does not seem to be applying. This is considering the multiqml plugin is ...
5
votes
2answers
3k views

Importing .svg images to use as Symbols in ArcMap?

I have several .svg files that I want to use as symbols in ArcMap 10.1. However, I do not see any import feature or the sort to use these .svg pictures.
3
votes
1answer
764 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
1answer
406 views

How to read BMP file location of image used for picture symbol in LYR file?

I have a number of *.lyr files which are pointing to various .bmp files which are used as marker symbols in ArcGIS for Desktop 10.1 I was wondering if there is a way to extract the file paths of the *...
2
votes
1answer
431 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 ...
4
votes
1answer
1k views

Are there any icons for GIS mapping? [duplicate]

I am trying to find alternative symbology for GIS maps and web apps I occasionally produce. Esri has done a great job collecting and categorizing thousands of symbols, markers, line and polygon styles....
1
vote
2answers
183 views

QGis Print Composer: layer symbology not displayed

Exactly the same as this problem from way back, only I've had this from 1.8.0 to present (2.1.0 master). Yay, symbols: Boo: no symbols, cue MS Paint: Anyone know why this might be or have the ...
1
vote
2answers
293 views

ArcGIS javascript API Printing: fuzzy result

I created a real simple web app, copied from samples actually, to try figuring out something about the Print Dijit. Here's the thing. When you click print here there are two major concers with the ...
5
votes
2answers
409 views

Maps with charts of representative symbols

How would the type of map symbology illustrated here be typically described? Specifically where symbology is used to represent arbitrary quantities of phenomena, and these being charted together ...
1
vote
1answer
74 views

How to symbolize a large amount of points with lots of color

I have an interactive map with a very large amount of different points. Depending on user selection, various points are shown or not-shown. These points are divided into several categories, each ...
4
votes
2answers
2k views

How to display marker somewhere in polygon without converting polygons to points, while maintaining dynamic legend, and then export map?

The following seems like a straightforward requirement because I recall ArcInfo Workstation having an ARCPLOT command called POLYGONMARKERS available to do the display part 20 years ago. Yesterday I ...
3
votes
3answers
886 views

Change label next to symbol in TOC

I'm trying to write a script to change the label next to the symbol in the TOC so it appears in the legend. Arcpy has a way to change the name of the layer, but I can't seem to find a way to change ...
1
vote
2answers
477 views

Read layer symbology class color with ArcPy

I am using ArcPy within ArcGIS 10.1 and attempting to read symbology from a *.lyr file created by a raster dataset within ArcMap. My goal is to be able read out the RGB (color) values assigned to the ...
3
votes
1answer
809 views

Flip over min/max values in a stretched symbology for raster data

In ArcMap 10.1, we can render a raster in a colour ramp (stretched) symbology to draw a raster layer based on each pixel value. However, the legend for the layer by default starts from the max value (...
1
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0answers
245 views

Calculate values to represent bus route attribute

I'm working with bus routes and looking for a way to represent some values in this system. I want each street to be represented by thickness based on value returned in SUM or COUNT. I don't have big ...
4
votes
2answers
596 views

Wetlands Symbol for QGIS point pattern fill

Is there a marker available anywhere for point pattern fill that resembles the standard wetlands symbol used in USGS topographic and other maps? Any good standard symbol that will be intuitively ...
2
votes
1answer
170 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
320 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
148 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 ...
3
votes
1answer
1k 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 ...