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Summary: A new analysis of the largest known deposit of carbonate minerals on Mars helps limit the range of possible answers about how and why Mars changed from a world with watery environments billions of years ago to the arid Red Planet of today Contact Information...

I have 3 GPS points (latitudes & longitudes in spherical co-ordinates) and I need to calculate the curvature. How can this be done? أكثر...

Info: I have a local Open Street Maps Server which is serving tiles for Michigan, Indiana, Ohio, Illinois, and West Virginia. I also have a geoserver set up serving a wms layer containing states. Because I only have several states served in Open Street Maps, OSM does not show state borders...

I have been using gdal wms layers to view various basemaps in QGIS. I am using this technique rather than open layers because this I can reproject gdal WMS layers as needed. When I get close to the max zoom on my google layer my images become discolored (sometimes all in blues, other times...

What is the difference between data access's "SHAPE@XY" and "SHAPE@TRUECENTROID" toke Data Access Search Cursor. What, if anything, is the difference between the tokens "SHAPE@XY" and "SHAPE@TRUECENTROID"? They returned the same coordnates on a test polygon: >>> cursor =...

I am having a lot of trouble creating a map for leaflet js. I am using Osmdroid zip. When I check a map example that works, the format (z,x,y) doesn't seem the same. I think there must be some configuration i don't know. أكثر...

I'm using the google maps web services service to find a route. From the json response I parse it encoded polylines and store it on coordinates String. private String parseJson(String s){ String coordinates = new String (); final JSONObject json = new JSONObject(s); final JSONObject...

The National States Geographic Information Council (NSGIC) Board of Directors unanimously endorsed recent guidelines produced by the Management Association for Private Photogrammetric Surveyors (MAPPS). *The guidelines outline best practices for citizen privacy and geospatial data. *The MAPPS...

A year ago we launched ArcGIS Open Data – a new capability of ArcGIS – with the explicit goal making it easy and efficient for government to make authoritative data discoverable and accessible. Included for any organization to use without additional cost our hope is that by removing the...

Sangre de Cristo Mountains. Any and all comments and suggestions welcome! My main question: For wikipedia, is this map be readable enough when the map is over on the side bar, not expanded? Is that a big deal, or can you assume someone will click on the map to see it in better detail if...

I am trying to create a query layer in ArcGIS which contains 1:M relationship, When i execute query i am getting blank feature class. My query is as below select a.Industrialcode, a.Industrialname, a.OBJECTID,a.SHAPE from Karnataka.dbo.INDUSTRY_EVW a FULL OUTER JOIN Karnataka.dbo.LUT_EVW b ON...

The version of a custom ArcGIS Pro SDK Add-In is held in the config.daml of the Add-In project: How do I programmatically access the current version of the Add-In (without reading the xml file directly at runtime using an xmlreader)? In the Add-In framework for ArcMap using ArcObjects SDK...

Asking about such a product seems to be completely irrelevant. am I right? I am asking this question since I have proposed Magik community to be started in stackexchange. أكثر...

my layer is point, and the symbol are "ellipse" with categorized renderer.So I define rotation in data defined properties but the tool «rotate» still inactive (rotation data works in QGIS 2.8).Where the rotation properties must be defined : in the "MARKER» level or in "SYMBOL" level or the both...

I have batch process running at nights which modifies the data in table,i want to refresh my map service automatically when there change in data. أكثر...

Introduction I am working with leaflet api, to create an application which uses two imageoverlays(added to map). Problem As i loaded two imageoverlays to map with fixed bounds.Now i am have put the controls to toggle the imageoverlays i.e next and previous I've used function bringToFront()...

<div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;">The giant tortoises of <span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: 400; text-decoration...

Mapbox Studio styles are a lot more than meets the eye. Under the hood, everymap relies on a set of APIs and performance-tuned standards working in concert. Vector rendering has spawned a new approach to cartography: instead of relyingon flattened images as the lingua franca of web maps, we now...

I'm trying to design a model in Model Builder that will derive input files for a process from file paths stored in an index shapefile's attribute field. The two datasets involved are a shapefile selection grid and a shapefile index of .LAS file footprints. The model will iterate through each...

I need to merge ~8k of .asc files into one big one. To convert each one into a raster first would take forever .. is there a possibility to convert multiple ascii files to raster in ArcGIS? أكثر...