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    Grand Canyon Map

    Hi Everyone, I want to share an experimental visitor map that I made of Grand Canyon’s South Rim. You can check out the map and a step-by-step slideshow about how I designed it at the link below. Tom www.nps.gov/hfc/carto/features/grand_canyon أكثر...
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    SFCGAL in PostGIS problem

    I have the problem with the enabling extension SFCGAL. CREATE EXTENSION postgis_sfcgal doesn't work for me even I have the PostGIS v2.2. When I do that, it throws an error ERROR: could not open extension control file...
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    Creating flood extent maps using modis imagery

    I have created rgb using bands 1 and 2 (250m) of modis09 data. Now i need to create flood extent maps from the same composite bands. So far I have read a number of papers but could not get a clear process of creating flood extent maps in ArcGIS 10.2 and which tools are specifically used for the...
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    What is considered the "observator" parameter in a hillshade procedure?

    Lets think of a siting operation in which the nearest town should not have visual contact with the aforementioned facility that is about to be sited. What parameter in the "hillshade" function is considered the observator in the means of what is visible from a specific point in the town area...
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    Coordinates for a section corner

    I would like to acquire the coordinates for a specific corner of a Section. The Section is Section 12 located as part of/within Township 8 South, Range 2 West. This section is located in the southwest portion of Mobile County, Alabama. This Section 12 is shown on the City Map of Mobile...
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    Deal with Coordinate system

    I added a subsequent layer which has different projection from the last ones. Then I change its coordinate system, and it disappears. I try to open it again but they cannot display them same frame.What happens and what should I solve it? أكثر...
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    Avoiding ImportError: No module named numpy?

    When I try to import ArcPy, I get the following message. >>> import numpyRuntime error Traceback (most recent call last): File "", line 1, in File "c:\program files (x86)\arcgis\desktop10.1\arcpy\arcpy\__init__.py", line 24, in from arcpy.toolbox import * File "c:\program files...
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    How to open a shapefile linked custom metadata textfile within QGIS

    I used a text file as a simple metadata for my shapefiles. It has basic information such as Source of raw data, Who can edit the file, Accuracy level, what those dbf filed means, Cost aquiring data, etc. The text file is saved with the same name and path with my Shapefile e.g. Conservation...
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    التمدن الحديث وتأثيره في الشرق

    التمدن الحديث وتأثيره في الشرق قراءة الموضوع للتحميل نقترح لكم ما ينشر في صفحتنا على الفايسبوك توظيف GPS و SIG في إنشاء خرائط شبكة النقل الحضري نموذج مدينة فاس --------http://www.geopratique.com/2015/04/gps-sig.html Posté par ‎الجغرافيا التطبيقية‎ sur dimanche 25 octobre 2015...
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    demande d'info matériel et logiciels pour un SIG

    bonjour tout le monde SVP, j'ai besoin de quelques informations sur la _configuration PC_ et les _prix de licences_ pour certains logiciels? voilà? je viens d’intégrer une institution et ils m'ont demandé de préparer une fiche dans laquelle je dois mentionner la configuration du PC en plus...
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    What is Lidar?

    Dewberry has created this short video explaining the basics of lidar. Director of Remote Sensing Amar Nayegandhi explains the science and technology behind Light Detection and Ranging (LiDAR)... Click Title to Continue Reading... أكثر...
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    The format of the result TSP at OSM2PO

    Good day! I use JavaScript to work with the program OSM2PO. I want to solve the problem of TSP. I need to get the order Vertex Ids and array waypoints in one query. Is it possible in the format Json? It would also be good to get the distance and time. أكثر...
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    Distance between a Point and Linestring: PostGIS/GEOS vs. Boost

    I am currently using the GEOS library through OGR and data from a PostGIS database to work with geospatial data. I now found myself in the need to use some of the algorithms Boost.Geometry and Boost.Graph offers, so I've adopted the OGR classes to boost's iterator/range concept. However, the two...
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    موسوعة الأكواد الهندسية

    ما هو الكود ولماذا ؟ نشأت فكرة الكود إنطلاقا من الرغبة في تحديد معايير وأسس ثابتة تكون أشبه بقوانين ملزمة لكل العاملين في المجال (حقل الهندسة المدنية في حالتنا) ويصبح كل من يخالفها مخطئا من الناحية الفنية وربما القانونية أيضا لماذا هذه التعددية الكثيرة في الأكواد ؟ نظرا لتعدد الظروف الخاصة...
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    اروپا

    <div><span class="Apple-style-span" style="color: rgb(37, 37, 37); font-family: Tahoma, 'Iranian Sans', 'DejaVu Sans', 'Noto Kufi Arabic', 'Droid Arabic Kufi', sans-serif; font-size: 14px; line-height: 22px; ">به أكثر...
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    MAGIX Video Pro X7 v14.0 BiLiNGUAL-CYGiSO

    MAGIX Video Pro X7 v14.0 BiLiNGUAL-CYGiSO MAGIX Video Pro X7 v14.0 BiLiNGUAL-CYGiSO | 3.25GB MAGIX Video Pro X7 is the perfect editing software for intuitive and powerful video production. This multi-award-winning video editing suite is geared towards the unique requirements of ambitious and...
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    How to increase performance for nearest neighbour query using a multipoint? (Boost Ge

    The following function takes about 10ms to run according to valgrind. Is there any way to make it faster? TimingLink* JourneyPattern::getClosestFromTimingLink(multipoint g,int maxFromSequence) { std::vector result_n; linkFromTree.query(bgi::nearest(g, 1) &&...
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    Metric grid annotation truncation In QGIS Print Composer

    I'm recreating a map using an old x/y meter grid. I need to truncate the grid cooridinates annotations to the thousands. So that 200000 will be displayed as 200. 220000 as 220 etc. Is there a way to do it automatically in QGIS?I don't see any option to manually edit the annotation, besides...
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    تحميل برنامج ArcGIS Earth الإصدار الأول 1.0

    تحميل برنامج ArcGIS Earth الإصدار الأول 1.0 Today I’m excited to be showing you a new product called ArcGIS Earth that ESRI launching later this year. ArcGIS Earth is a lightweight, immersive experience for exploring 2D and 3D data. With Earth you can view your enterprise information… such as...
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    Parcel Editor Functions Disabled

    What I want to do is cut polygons into new euqal size polygons, so far the only solution I found was using the Parcel Editor. However, I cannot use any of the functions because everything is disabled and I can't figure out what I'm doing wrong. I first converted my polygons to lines and created...
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