نتائج البحث

Enjoy your 4th of July Weekend fireworks along with these family-friendly outdoor activities. Our ‘Welcome to the Weekend’ summer series brings you a variety of green, fun, and free/affordable activities to do this holiday weekend. We hope you will join some of them, and that you’ll let us know...

Crossposted from the White House Blog By Brian Deese and Dan Utech Today, the United States took decisive action on climate change by curbing the use of the potent greenhouse gases known as hydrofluorocarbons (HFCs). These factory-produced chemicals, which are primarily used in air...

Hello friends, I have an old geodatabase created using Arcsde 9.2 on Oracle 10g. Now, I'm trying to migrate it to new system using ArcSDE 10.2 on Oracle 11g 2. Any guidance or advices please. أكثر...

I want to join a excel file with a CityGML file. i want to join the excel file with the geometry of the citygml file. all attributes should join this file which settings should i choose in the feature merger to get it?? in the end i want to put it all together in a arcgis geodatabase...

I got a building layer. And i got a table that contains 2 fields named SDE_OBJECT_ID and DOOR_NO. This table is not spatial table, it's Oracle table which i can join with my building layer if i want and i can use building layer's OID field with this table's "SDE_OBJECT_ID" field. What i try to...

Im a beginner in geomatics. I try some images georeferencing in QGIS. I would like to understand what is happening behind the different transformation types (linear, polynomial, Helmert...).What I don't understand, is the red lines that appear after inserting a GCP. These lines take as a...

I see it has been almost a year since the last "UAV and GIS" question was asked here.Finding some incredible youtube videos recently showing remarkable results doing UAV and GIS together here and here. Question is how much does a set up like this cost and how long is the learning curve?If...

لكل طلاب الهندسة و خاصة الهندسة المدنية يمكنهم الإستفادة من برنامج أسمه West Point Bridge Designer مخصص لإنشاء جسور وهمية على الكمبيوتر مع معطيات و إنجاز حسابات واقعية و قد تم تطويره من طرف الأكاديمية العسكرية الأمريكية و ذلك لصالح طلاب المدارس . West point برنامج مميز يمكن إستغلاله في المساعدة...

Im a geomatics student, During a geo referencing with QGIS, a .Points file is saved. I open it with Notepad++ It is written under this form : mapX,mapY,pixelX,pixelY,enable18.41330472103005533,-34.31455203862660852,18.41112659235668403,-34.30085589171973481,1I would like to know what are the...

As python3 is getting standard more and more I wonder wether there is or will be support for python 3 in QGIS? أكثر...

Bonjour à toutes et à tous, Je suis novice sur QGIS et je voudrais vous poser une question : J'ai trouvé, sous MAPBOX, un fond de carte de la France avec la délimitation des régions. Une fois cette carte enregistrée, j'ai voulu l'intégrer dans QGIS 2.8.2-Wien. Pour cela, j'ai trouvé, sur un...

ownload Fundamentals of Surveying by S.K. Roy Title of the Book Fundamentals of Surveying Author of the Book S.K. Roy Contents of the Book Introduction Errors in Measurement Measurement of Horizontal Distances Electronic Distance Measurements Levelling Permanent Adjustments of Levels Angles and...

Download Engineering Survey by M. Schofield Book Title of the Book Engineering Surveying Edition of the book Fifth Edition Author of the Book Schofield Contents Basic concepts of surveying Vertical Control Distance Angles Position Control Surveys Satellite Positioning Curves Earthworks Setting...

Download Surveying Problem solving with theory and objective type questions Title of the Book Surveying Problem Solving with theory and objective type questions Author of the Book Dr A M Chandra Contents of the book Errors in measurements and their propagation Distance measurement Leveling...

The newly computed geotiff shows the extent of both raster layers, but only the data of one. If I use identify features tool it gives me only the values of the visible part not of the other part. I use Float32. What am I doing wrong? أكثر...

I'm trying to connect reference table (domain) with data(text) to my vector layer (id's) using value relation. I have database in Oracle connected. It works fine, but when I delete the reference layer and connect it again, everything is deleted. Do you know how to make the connection...

I am busy building a web map app using boundless SDK.I am trying to implement a file up-loader, however, the majority of examples usenew Ext.ux.form.FileUploadFieldWhen I try to use it in my project it says that the xtype is not recognised. I am currently using this: xtype : 'textfield'...

I created a trigger that checks if geometry is valid on insert and update. create or replace function check_geom() returns trigger as$$begin--insert a polygonIF st_isvalid(new.geom) = 'f'THEN RAISE EXCEPTION 'erreur de topologie' ;END IF ;RETURN NULL ;end;$$ LANGUAGE plpgsql;DROP...

I know very little about programming. I am in the process of replacing an old VBA tool that calculates the drainage area of a selected polygon with a python tool. I am using the python addin wizard and have no idea what these parameters mean and how to make them do what I want them to do...

I need to calculate an accumulated value of temperature (as an additional raster) from many rasters. Is there any option to do this in ArcGIS 10 or any hints for a python script? أكثر...