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

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42 views

How to label Highways with Canadian Data

QGIS - I've been working with 1:50,000 topo. data from a couple of provinces in Canada. There is attribute data for the highway numbers but how do label them with a circle around the highway number in ...
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1answer
73 views

QGIS kml export with symbols

I'm new in qgis and I need some help. I'm trying to export a specific layer with defined some points using different symbols. The exported kml file will discard the symbol type layout. This is the ...
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42 views

Symbol levels not working with Illustrator export

I use symbol levels to represent different overlaying lines by importance from a field value. The red lines are more important and yellow less. That's what I get in ArcMap: And now that's what I ...
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0answers
53 views

Exporting map containing raster layer with vector field symbology ends up with partially rendered symbology from ArcMap?

After exporting a map in ArcMap (ArcGIS 10.3 for Desktop) which contains several raster and vector layers including one raster layer resembling flow direction of ice, the output file (tried JPG, PNG ...
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2answers
56 views

How to bulk load Picture Marker Symbols into .style for ArcMap

I have close to 1000 PNG files that I want to make Picture Marker Symbols stored in a .style file. I am very familiar with Microsoft Access, Python and ArcGIS and I know some C# and .NET. When I ...
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62 views

ArcObjects Style of a symbol chosen with the ISymbolSelector interface

I am trying to store the properties of a SimpleMarkerSymbol symbol selected by the user using the ISymbolSelector interface. I plan to store the size, colour and style number in a file. I can get ...
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23 views

How to add multiple png in style file in Arcmap

I want to create a new .style file in ArcMap. Under the Style Manager windows, I create a new empty "Style". Then, in the "Symbol Property Editor", I can add a "Picture Marker Symbol". But I can only ...
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32 views

how to stop symbols from rotating with the mapview in arcgis for android?

I am using arcgis android sdk and I enabled the rotation in my mapview. I added picture marker symbols and I want them to rotate with the mapview the problem is that when the mapview rotates the ...
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2answers
209 views

How to change the display order of proportional circles in QGIS 2.10?

I'm making a map with proportional circles based on point data. I want the biggest circles to be displayed below the others and the tiniest circles above. Unfortunately the default view is different : ...
3
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1answer
74 views

QGIS 2.10- symbology - Using BOTH size and colour to represent 2 pieces of information on single point

I want the colour of the point to represent value from data column x (eg. rating from 1-5) and SIMULTANEOUSLY the size of the point to represent value from data column y (eg. Number of ratings ...
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1answer
39 views

Calculate proportions of point counts per polygon based on threshold values

I have an attribute table containing "Joint_Count" and Raster ID (A1, A2, etc), where Join_Count refers to the sum of points per raster ID. If the sum of all Join_Count represents 100%, how do I ...
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1answer
116 views

Symbolize Flow Direction on Line Feature in ArcGIS Online

I seems that ESRI has a serious limitation as it seems you can't symbolize the direction on water lines in ArcGIS Online. With server you can. From the reading on Esri forums this is a known ...
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1answer
33 views

stylizing/symbolize openlayers based off GML

I am completely new to openlayers and am kind of learning as I go along. I created a GML using QGIS and would like to call data from it. It isn't stylized (specific icons per attribute). I would like ...
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1answer
41 views

Differences between APP-6A and APP-6B in LuciadMap?

I'm using luciadmap 2013.1 and, from what I understood, one can switch between APP-6A and APP-6B symbology like this: new TLcdEditableAPP6AObject(ELcdAPP6Standard.APP_6A) new ...
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20 views

ArcPy script using 'symbology.addAllValues()' failing [closed]

I'm having a problem trying to use symbology.addAllValues() on a layer with Unique Values Symbology. Unfortunately, I can't paste in actual code here since the machine I'm working on is classified, ...
2
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1answer
94 views

Create points symbology with more than one parameter

In QGIS i would like to create symbology for points layer where the symbology will take into account more than one parameter (currently two). i.e.: My points layer has street names and house numbers ...
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45 views

Rotating symbols around two axes in ArcScene

Using ArcGIS 10.3.1 I want to visualise the strike and dip (essentially the same as aspect and slope) of measured rock faces in ArcScene: the idea is to have a coloured DEM of the field area, with an ...
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99 views

Map symbolization - style file: compute change for the Label?

Situation: How to get the attributes/values of a field COD in an Attributes Table of a Feature Class (picture attached - attr_table) using another field COD_SYMB (which acts as a key-field) in that ...
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2answers
59 views

how to rotate a symbol

I am working in c++/python/QT 4.5 with the api qgis 2.8.2 My application receive data from a communication port that indicate the change of position of an object diplayed on the map and represented ...
2
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1answer
40 views

Change Symbology with different Column Value

I am using ArcMap 10.0. I am trying to change Cadastre colours when the values of the box EXTRA is set to 0,1 or 2. So basically, I need the default values set to 0 (already completed). Properties ...
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1answer
54 views

What is the color standard for roads or Transportation for USA?

Are there color standards for US Transportation roads such as Interstate, County,, Interstate, local, private, state highway and other roads out there ?
2
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86 views

Graduated symbols not appearing for all polygons

I'm using ArcGIS 10.2.2. Trying to map some city populations using graduated symbols. Should be simple, but while most of the polygons are being assigned symbols, some aren't. For example, in the ...
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1answer
175 views

Plotting points into segments on roads exactly with ArcMap?

I have a set of data (see the table below) which has an origin lat and long and destination lat and long with speed. I just want to plot lines between the origin and destination, and color code them ...
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26 views

Does the display size of a map object in Google Maps affect the [% repeat] value for a symbol on a polyline?

I have two Google map objects on my page: 1) height: 121px; width: auto; (This is the smaller map). 2) height: 770px; width: auto; (This is the larger map). Both of these maps have the same ...
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17 views

Seismic 2D shot points in ArcGIS 10.1

Which is the available Seismic 2D shot point renderer to be used in ArcGIS 10.1? In ArcGIS 10 I know of Exprodat’s plugin ...
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57 views

Use multiple double attributes to symbolize a line shape in ArcGIS

I need to represent multiple attributes to a line shape. The attribute table already have the fields I need to represent. One of the attributes is the total number of commuters between cities; this ...
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1answer
64 views

Exporting map to PDF, fix polygon bleed

I'm trying to export my map. But ArcGIS generates PDF (or other) maps that is not the same as in the layout view. I have polygons that is filled with a pattern, and this pattern is drawn over the ...
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1answer
111 views

Style Sheets: Setting up a style sheet to change only styles, no other fields

I'm trying to create style sheets for my projects. I only wish to change the Style, without affecting labelling or the Fields. And I can't, for the life of me, get it to work. I'm using .qml files and ...
2
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1answer
48 views

Assigning Arrow Symbology on Point-to-Point Connections

I have an excel file containing points of departure and arrival places and their lat/long. I have lat/long for both arrival and departure cities in spreadsheet. I have created seperate point feature ...
2
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1answer
347 views

QGIS just installed on MAC OSX - vector layer styles do not work properly

I am a newbie with QGIS - I have just installed QGIS 2.10.1-Pisa. I am following a youtube tutorial by Steven Bernard and I just found that the styles do not work properly (I run Mac OS X Lion 7.5.1. ...
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1answer
78 views

QGIS: How to change symbology of a continuous raster to discrete with unequal intervals?

so I'm new in QGIS and currently trying to convert my ArcGIS-layers into QGIS. One of these layers is a slope gradient raster. I want to change the symbology so that a specific rang of gradients ...
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45 views

Importing representations from a Layer File

I'm trying to incorporate representations as part of my data model. I have set up representation rule for my feature class, which is part of a feature dataset. The way I have the data categorized is ...
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32 views

Need help on how to move a symbol over a map

I'm working in c++/qt and the c++ api qgis 2.8.2 In my application i load a map with a s57 file, this part works perfectly, now i need to make some plot representing different object like boat, plane, ...
5
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2answers
137 views

QGIS expression builder include relation attributes

I have a set of symbols based on a table in postgis such as this id|type|action_1|action_2|geom In QGIS I have this table symbolised using a rule expression which works effectively. However this ...
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1answer
52 views

How do I classify my counties to color the bottom / top 25% in area?

I have a map of my state with county boundaries. What settings should I use to color the counties based on their area but only if its area falls in the bottom or top 25% of county area? For example, ...
3
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1answer
76 views

How to apply a radial fill to a voronoi polygon centred on its original home point in QGIS?

I'm working with a point layer (airports from OpenFlights), and I want to create a map of distance to the nearest airport. I thought I might be able to do this by using radial fill on the voronoi ...
2
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1answer
103 views

ArcGIS Desktop 10.2.1 and one-to-many relationship

I've been struggling to link a feature of 450 municipalities and approximately 60,000 fires that have occurred over the last 15 years. I've attempted to make a relationship class. I can see the ...
3
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2answers
110 views

How to create a dashed polygon border in C++?

In my maps I have a symbol, his type is polygon, I want to change the line style of the border, actually is solid , I had to put it in dash Is there a simple way to change it ? i think to the ...
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1answer
81 views

Updating a column in MapInfo based on Symbology or colour

I am transferring a large dataset from MapInfo (V 12.0.2) to QGIS (V2.8.1) and I want to be able to create a column in the MapInfo attribute table that differentiates features with different ...
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1answer
41 views

Information about the setDataDefinedProperty

In the QGis C++ API v1.6 there is a function called setlowerValue to set a value for a specific Symbol In my application i use QGis C++ API 2.8.2, i try to understand how the function ...
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2answers
90 views

Importing CAD polyline symbology into same polyline but converted to feature class?

I'm working with a CAD drawing (DWG), and I've exported the polyline layer into a file geodatabase. When I add the exported polyline layer to ArcMap, and try to import the symbology from the original ...
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0answers
12 views

Is there a established color convention for US Federal Agencies?

Do US Federal Agencies have a convention for coloring the lands under the jurisdiction of each? For example, BLM lands are often yellow, USFS light green, NPS blue or dark green, etc. I've found this, ...
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1answer
50 views

How to render the Sea depth level in different color?

I would Like to adapt an old code in c++ using the api qgis 1.6 : const QgsRenderer* lrenderer = pLayer->renderer(); if( lrenderer == NULL ) lrenderer = new QgsSingleSymbolRenderer( ...
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32 views

How do I get the default NLCD symbology back after clipping/projecting?

NLCD landcover rasters downloaded from MRLC have default legends and symbology as shown here: http://www.mrlc.gov/nlcd11_leg.php However, when I extract the raster through a mask, or reproject the ...
2
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1answer
112 views

How to avoid a QGIS crash when it is appended a symbol layer in a symbol?

When I run the next code at the Python Console of QGIS with a line vector layer: symbol1 = QgsLineSymbolV2.createSimple({'penstyle':'solid', 'color':'black', ...
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71 views

Is there any way to mass rename or import field names in Labels in Symbology?

I need to load an .avl that sets the symbology for me, but I also need to give the unique values their name, which is not what the Symbology->Category->Value Field uses, but another field in that ...
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49 views

How to apply symbology to raster and keep labels?

I am using Arcgis and I have this layer file with a specific stretched color ramp and custom High and Low labels. Whenever I apply symbology to any raster (I am doing a batch apply symb with arcpy ...
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2answers
174 views

Displaying Buffer overlap in ArcGIS Pro with Intersect

I have created some buffers around some points in ArcGIS Pro, and I am wanting to recognize the area of the buffers that overlap with another buffer within the same layer with a different color. How ...
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101 views

How do I create Multivariate Symbology (graduated symbol and color classification)

I was wondering if anyone knows how to create multivariate symbology. I have point data with a capacity number and a utilization rate for a type of youth center. I want to show the capacity as a ...
4
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1answer
93 views

How to visualize texture along borders of multipart polygon

I came across this map and would like to replicate the textured styling found along the borders. I'm starting with a multipart polygon but my process has perhaps too many steps. I'm using QGIS ...