نتائج البحث

  1. ا

    OpenLayers map not resizing when fullscreen closes

    As a follow up on openlayers-add-eventlistener-for-fullscreen-close, i realized that OpenLayers3 already implemented an updateSize() on exit fullscreen. I've been trying to solve this issue without any luck and wanted to ask whether my solution is incorrect or this is a known bug perhaps...
  2. ا

    openlayers 3 - fullscreen

    Openlayers 3 knows the ol.control.FullScreen() control. When pressed you will get a fullscreen map. What I would like to know is: to what event should i listen te detect the fullscreen control is pressed? In this event I would like to do a zoom-to-extent like this: var extent =...
  3. ا

    Updated GLONASS by 2015 end

    A updated version of the GLONASS (Visual GLONASS.jpg) satellite navigation network, in compliance with the Russian Defense Ministry requirements, will be made available for use by the ministry by the year end. The Russian Aerospace Forces recently held a meeting on the issue and decided that...
  4. ا

    How to calculate focal range on XYZ DEM in QGIS or Spatialite

    I have a XYZ DEM of a fairly mountainous terrain and would like to identify flat areas using QGIS. How can calculate focal range in QGIS?Or would there be a way to do this in Spatialite? Ideally, the output would be a shape file of polygons of flat areas or a set of points representing centers...
  5. ا

    how to bound markers with base layers : leaflet

    I been working with leaflet control and here i stuck for a while.... I have multiple base layers, and user can toggle between theselayers. these layers have separate drawing controls. When i add markers on one layer(for example : layer1), then it is alsovisible on other layers(layers added...
  6. ا

    How to model a 5-way intersection with divided streets in OSM

    Here's an intersection in OSM. All but the southward road are divided roads, so the ways are split into two unidirectional paths. At the intersection it becomes confusing, especially if you can about modelling the turn angles and paths. For example, the left turn from San Antonio (north west)...
  7. ا

    ARCGiS: Android sync errors - Internal server error

    I am trying to use server based offline maps to do all my edits offline and sync them to the server online. I am able to do all my edits usccessfully. However, when I am doing sync using the geodatabaseSyncTask.syncGeodatabase() call, everytime I see, "Internal Server Error".Can somebody let me...
  8. ا

    OLS/GWR AICc (Akaike's Info Criterion) Value for model comparison

    Lets say there are 8 explanatory variables which and 1 dependent variable. These are both tested with an OLS and GWR model and AICc values are obtained. Say 2 and 1 respectively. I understand that the lower AICc value has a better fit and model performance and thus if the GWR AICc is lower that...
  9. ا

    QGIS server don't show layers in Openlayers

    I have a project with 3 layers , I see the layers names in the GetCapabilies and also as WMS layer in QGIS , But in Openlayers I get the tile empty. I've used the following code : var P4326 = new OpenLayers.Projection("EPSG:4326"); var P900913 = new OpenLayers.Projection("EPSG:900913")...
  10. ا

    Built a query for polygon Shapefile in R

    I use the package maptools to read in Shapefiles in R. I would like to know if there is a function that can built up a query/subset to select only some Polygons based on a specific attribute in the a.t. (for example one state out of a shapefile with all states in one country). And, can I save...
  11. ا

    Socioeconomic Status and Prevalence of Obesity

    Socioeconomic Status and Prevalence of Obesity This research article covered a study that was done from 2004 to 2007 in Cameron County, Texas. This county is near the border of Mexico and has a large Mexican American population. The population of people surveyed was 810 Mexican American...
  12. ا

    Invasive Saltcedar in Southwest United States

    <div class="MsoNormal" style="line-height: 200%;"><span style="mso-bidi-font-family: "Courier New";"> Unbeknownst to the everyday American, saltcedar, a non-native species of tree, has been threatening the environment of the United States since the 1830s (Frasier, Silv أكثر...
  13. ا

    Resampling for supervised Classification? [on hold]

    Is Resampling effected for spectral resolution of image? Is there are any effect when doing supervised classsification for resampled image? أكثر...
  14. ا

    Geometry issues when digitising in QGIS

    I'm digitising a large number of maps from hand drawn mud maps and digital images, and although I have used the snapping tools ("snap to vertex and segment", Tolerance 10 pixels, avoid intersections) I consistently get ~30 geometry errors. My workflow is as follows: digitise (polygons) using...
  15. ا

    کس

    سلام به دوستان ن أكثر...
  16. ا

    Selecting features within polygon from another layer using QGIS?

    I'm using QGIS 1.8 with a PostGIS database and I have three postgis-layer in qgis a lines layer, a points layer and a polygon layer. What I'm trying to do is to select a polygon in the polygon layer and mark all points within this polygon. For me the only way to do this is to use the button...
  17. ا

    How to change output name when exporting data driven pages to JPG?

    Is there a way to save the output JPG, changing the output file name to the page name, instead of page number? I mean changing the script found in this post? import_path = r"..." # Path of .mxd export_path = r"..." # Path of output file field_name = "Name" # Name of field used to sort...
  18. ا

    "how to select features within a polygon from another layer" using R or Python

    "how to select features within a polygon from another layer" using R or Python This question was asked before where the solution was to 'use the "Vector->Research tools->Select by Location" .' However, I would like to know how to do the same thing with either an R or Python script...
  19. ا

    How to Convert Map Coordinates to Layout Coordinates in a rotated Dataframe?

    I am trying to convert Map X and Y coordinates to corresponding Layout coordinates in a rotated dataframe. The code found in this post works fine, but only for unrotated dataframes. I've also found a modification of the above code in this post on Reddit, but that doesn't seem to work either. I...
  20. ا

    Unexpected Isopleth Output From GME

    I converted a csv file to projected SpatialPointsDataFrame in R, input it to bkde2D, converted the result to raster, saved the raster to a TIFF, and input that raster into the GME Isopleth tool. Here is my R code: data = read.csv("_PolarBearData.csv", na.strings = "NA", header = T)...
أعلى