The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light

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141 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
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2answers
129 views

Put color for raster data(aspect.tif) on QGIS1.8.0

I create aspect.tif from DEM file. I could put the values(0 to 360)from contrast enhancement. I could set color from color map(freakout or Pseudocolor). In here, the data is shown by only 4 colors. I ...
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207 views

How to set a color for a rectangle?

I had drawn a rectangle by adding element to graphics container like the code below: IGraphicsContainer gc = mxDoc.FocusMap as IGraphicsContainer; gc.Reset(); IRectangleElement rectangleElement = new ...
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1answer
542 views

How to color markers based on polygon area?

I have a map with around 317 markers and each marker is the center point of a polygon. The polygonal area varies throughout, so I want to represent the markers in such a way that the polygon with the ...
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2answers
404 views

How to modifiy how selection highlights are displayed? [closed]

I have got a layer of points that are showed with a litlle symbol. When I select one, a red square comes around it. The problem is that this points are inside other layers (polygons) and some of them ...
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1answer
226 views

Creating color table file in PCI Geomatica

What is the simplest way to create a stand-alone color-table file in PCI Geomatica (PCT or STR)? I have some classified imagery with values ranging between 0-255 and I would like a way to ...
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0answers
49 views

How to optimize color ramp for terrain

I'm working on a project to highlight LiDAR terrain on the web and part of the idea is to show the detail of the data at large scales. I've already read through the excellent Mapbox guide and I've got ...
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0answers
21 views

How can I set fill colors using hex value in arcgis.com webmap?

Has anybody been able to use hex values (e.g. #FF0000) for setting polygon fill symbols in an arcgis.com 'webmap'? I see predefined colors to select from, but no hex input box. Thanks in advance for ...
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0answers
23 views

Color blending/compositing in web mapping frameworks?

The color/layer blending capabilities of QGIS 2 produce marvelous results. Blended rasters are especially nice to look at. Blending is, to me at least, a better way of combining layers than mucking ...
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0answers
104 views

How to Export/Print/Save CMYK colored map to SVG, PDF, or PRN/EPS file

I am a beginner using QGIS 2.0.1 on Windows. Following Data-defined Styles in QGIS I fill CMYK values on my map layers, but I cannot Export/Print/Save CMYK to SVG, PDF, or PRN/EPS file. I see only ...
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1answer
87 views

SetColorInterpretation() for a GeoTiff using GDAL not working

I have a single band image which I would like to copy to a 3 bands of a new image and set the ColorInterpretation to red, green and blue respectively. I have tried two approaches, one using the GTiff ...
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122 views

How to change the color of a selected feature with pyQGIS?

is it possible to change the color of a selected feature in qgis 1.8? To highlight a feature I use: vlayer.setSelectedFeatures(selectedList) box = vlayer.boundingBoxOfSelected() ...
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28 views

Styling a raster on relief shading analysis [duplicate]

Possible Duplicate: How to create a style file for QGIS from a plain text file? I have a text file which contains the following data eleva R G B 0 153 255 153 100 179 255 ...
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1answer
116 views

Automatic four-colour (political boundary) rendering with PostGIS

This is probably a long shot, but is there a way to automatically select colours for neighbouring regions using the four colour theorem, in PostGIS? The data I'm using is suburb boundaries in ...
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1answer
153 views

NHD Flowline legend colors?

Does Anyone have legend colors for the NHD Flowline that USGS sets colors for theirs ? I'd like to get a copy of their color legend. They can be from their website, brouchure, lyr files or anything ...
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1answer
48 views

How to change QGIS project color space

Is it possible to change the color model of an entire QGIS project from RGB to CYMK? I know that it's possible to change the color models of individual symbols/features (through the style manager), ...
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1answer
110 views

How to map and color localities (provinces) with an external CSV using Quantum GIS

I use a Swiss shape file map (called PLZO_PLZ) available on http://www.cadastre.ch/internet/cadastre/fr/home/products/plz/data.html (ZIP file Shape LV03) PLZO_PLZ contains a column called PLZ which ...
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1answer
91 views

What are the differences between the photometric options for GDAL_merge?

I am using GDAL_merge to merge several geotiff tiles into one large tile. One of the creation options I can add is photometric. There are several options for this. MINISBLACK MINISWHITE RGB CMYK ...
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1answer
36 views

A PROBLEM WITH XML Standard Layer Descriptor for GeoServer

I wrote an xml in Standard Layer Descriptor for GeoServer, with the objective to map a satellite image with discrete values. I wrote: < ColorMap type="intervals"> < ColorMapEntry ...
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1answer
114 views

Coloring pixels based on values

I have an image where pixel values are integers, they go from 0 to 6 and I also have some 999. I want the value 999 to be transparent, which I could achieve by myself. I would like values 0 to 6 to be ...
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0answers
18 views

IColor reporting BGR rather than RGB

I've created a single point in ArcMap 10.1 SP1, and set it's color (SimpleMarkerSymbol) to Red = 16, Green = 0, and Blue = 255, or 1000FF in hex. I saved that as a layer package, and opened it back ...
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34 views

How to get the color of a vector layer in pyQGIS?

I have see this topic (How to change the color of a vector layer in pyQGIS?) but I'm looking for get the color not to change. How I can resolve my problem ? Thanks
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22 views

Tool to save own color table with CMYK, GRB and HSL

Im looking for a tool to save my colors with CMYK, RGB and HSL. So that I can print and compare, write some notes to every color and easy extract. Any idea? Im mainly using Inkscape, Gimp and QGIS ...
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52 views

ArcMap- Create a symbology from RGB with colors name

I have a number of features loaded on a mxd I would like to create a script or model builder to assign each row containing a value in the coloum "ENTE" with a RGB color which must be represented in ...
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1answer
209 views

Polygon color on intersect

Using OpenLayers, I am loading a large geojason file of about 4000 polygons. Once the polygons are loaded I want to draw a "LineString" on the map (already done and working). My challenge is that I ...
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205 views

How to set point / line / polygon color and transparency with Python?

How can you set the color and transparency of a vector layer feature in QGIS using Python? Seems like a pretty simple and common task but I can't seem to find answered questions or examples. Any ...
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63 views

Fill up polygons with field value

I have now defined my renderer with a color map I want to fill it with a value in the end field of my shape file's attribute table with python how to do it?? I use QGIS 1.8.0 with python 2.7.3
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76 views

Worsened image quality and flase colours after georeferencing

When I georeference a map of vegetationtyps (about 20 colours, each representing a certain vegetation) the quality of the georeferenced map is really bad and the some colours has changed (e.g. black ...