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I am trying to have a OpenStreetMaps as base layer and add a canvas layer based on a matrix values.I have use this post to create an example on javascript var map;var fromProjection = new OpenLayers.Projection("EPSG:4326");var toProjection = new...

I need to know what the key methods are for linking a slippy web map to the website on which it resides. (This isn't a simple question about displaying a map - it's about the more subtle interactivity between map and hosting website/page). The majority of sites displaying maps treat the map as...

I just started working with QGIS, and I'm having a problem with my labels. I have figured out how to manually move labels for the points on my map (thanks to this forum!)--I have edited the attribute table to include x, y, and rotation with the decimal number option. Great! I can move labels...

I have over sampled polygons that I need to simplify, without changing the shape. basically, I want to reduce the number of vertices, by eliminating the ones that are useless and have the polygons represented with the significant vertices only. I used to do that with ET GeoWizards Plug-in, but I...

بسم الله الرحمن الرحيم السلام عليكم ورحمة الله وبركاته ييعتمد الجغرافيون في ابحاثهم على العديد من الطرائق الاحصائية ، ويثيرون مسائل جوهرية في... أكثر...

The version 10.3.1 release of Operations Dashboard for ArcGIS opens up new possibilities for you to create and share powerful, focused dashboards within your organization. Rolling out with the latest update to ArcGIS Online, Operations Dashboard includes some updates to the user experience; a...

I am trying to create a generic heatmap sld based on percentages of the maximum value. Right now the legend is something like 0-456, 456-892,892-1109, etc.But I want this SLD to be generic so it is broken up into percentages of the maximum value. For example, if the minimum is 20 and the maximum...

I'm trying to create snapping agent, I'm using the standrd code from ESRI ArcObject Library, this code woks perfectly on VB6/ArcGIS 9.3, but not on VB.net (3.5 SDK) and ArcGIS 10. The property "SnapAgentCount" is empty : pSnapEnv.SnapAgentCount = 0========================= Public Sub...

Building a small area map, but do not know how to format it correctly for use in Mapbox or OSM. Have collected all the information but need some guidance to bring it online with the best tools. Would like to end up with something that looks like this with all the political boundaries and a...

I need Count, Max and Min values when running Dissolve in a model builder. In the resulting tables, the name for the count values are "Value_COUNT", but the names for the max and min values are the same, "Value." There are many resulting tables and I need to change the names "Value" to...

Within QGIS 2.8.1 I found within the Processing Toolbox a script called "Points on crossing lines" which should exactly as it is named. Unfortunately it needs processing.core.VectorWriter which I guess has disappeared in this latest installment of QGIS. I tried to replace the writer with...

Today we’re rolling out a new version of Mapbox Atlas Server on the Amazon Web Services Marketplace that let’s your purchase and run your own Mapbox map servers inside your private cloud with just a few clicks. You can pay for Atlas hourly or annually and charges will appear on your normal AWS...

Geo-matching.com has recently added Airborne Radars to its broad spectrum of product categories. Bradar is the first supplier in this category with the BradarSAR. In addition to general specifications, detailed information is given about onboard unit features, positioning system and sensors...

Hi all to start off with: Using Gdal compiled with Xerces Coding in C++ with the QT Creator version 5.4.1 So my problem is im trying to use Gdal to create my own Esri shapefile, I get a strange runtime error when trying to add multiple fields Example: // Create a ogr feeature...

We use geoserver to serve WMS tiles inside a openlayers environment. The weird thing I see is that, in our production environment, depending on the scale, data is shifted (translated) against the OSM/Google/Bing background. See following screenshot, here you can see the pipelines positioned...

I have a road network (vector) that i'm interested in carrying out some space syntax analysis on. Predictably my GIS data is in a pretty terrible state. For example, there are a bunch of roads on the network that look like they join but do not. I've managed to fix some of this (on the surface...

I am developing on esri map. I need to add ArcGISDynamicMapServiceLayer layer on the map. How can I get feature from ArcGISDynamicMapServiceLayer layer, and apply click for each layers. Currently I have implemented click on the map, but I get no information of the added layer when I click on the...

I need information on hospitals and restaurants in Guatemala. How can I download this information from OpenStreetMap? I want to use the data in Arcgis 10.1 أكثر...

I have two raster files that are the same cell size but I cannot get them to align properly. (I want the black to line up with the pink) When creating the black raster file (from using polyline to raster), I imported the pink raster in the Snap Raster section in the Environments setting...

This video shows how to connect to an SQL Server ArcSDE *database in ArcGIS 10.2 أكثر...