Question & Answer The Question & Answer section is for general (how-to) questions about the software and all users are welcome to contribute. Technical support questions should be asked by email, addressed to the TatukGIS support email address. Search for: + Submit New Question Zooming by Mouse Wheel or Hot Key to keep same coordinates under mouse position We are trying to implement a better zoom experience in our map. We want to match the behavior where possible in Google maps where zooming in or out with the mouse wheel keeps the current map position directly under the mouse cursor. // P1 and P2 are TGIS_Point P1 := GetMapCoordinatesUnderMouseCursor; // Z... Published on June 25, 2019 by ScoL 1 answer Exporting to JPeg only using TGIS_PixelExportManager Greetings, We are exporting an image of our map using the sample code as the starting point. My export routine is below. How do we only save the Jpeg file? It is currently saving 4 different files. We don't want the '.tab', '.jpg.prj', or the '.jgw'. Thanks, Scott procedure SaveExtentToJpeg(iWidth : i... Published on June 10, 2019 by ScoL 6 answers Progress animation on Android Hi, im in DK 11.25 since i installed Delphi 10.3, i noticed that the progress animation symbol on viewer disappeared, do you kwon if is something im doing wrong? Published on June 19, 2019 by HumM 1 answer Connection to the tile layer Hi, I have TatukGIS Developer Kernel. 10.32.0.15004 I can't connect services like: http://tile.openstreetmap.org/{z}/{x}/{y}.png https://sat01.maps.yandex.net/tiles?l=sat&v=3.379.0&x={x}&y={y}&z={z} Is this possible in my version? If yes, tell me how. Thank you very much. Published on June 11, 2019 by AlexL 5 answers Solved Postgres c# .Net libpg.dll Hi, I am trying to open a TGIS_LayerSqlPgisLibpq() layer class using a ttkls file, like this: [TatukGIS Layer] Storage=PostGIS Layer=v_pontosc_gismig Dialect=POSTGRESQL Libpq=host=localhost port=5432 dbname=postgres user=postgres password=usetudo client_encoding=WIN1250 RowsetSize=2000 GeometryFieldC... Published on March 22, 2018 by EltS 5 answers Solved PostgreSQL/Postgis direct connection I'm trying the .NET SDK (trial version). I need to create some layers taking the data from a PostgreSQL/PostGIS database. Now I can create the layers connecting to the database through ODBC using the TGIS_LayerSqlPgisAdo class. I would like to know if there is a way to connect directly to the database witho... Published on September 12, 2016 by FabD 4 answers TGIS_Bitmap and BitBlt operations We are converting our draw routine to use TGIS_Bitmap and transparency graphics (PNGs) instead of our TBitmap graphics. We need to shift the color of some of the bits and then rotate the graphic before rendering. We previously did this by creating a mask layer through BitBlt operations. How do we do these k... Published on April 17, 2019 by ScoL 1 answer Unattended Installation Is there a way to do an unattended installation of TatukGIS Viewer? Published on May 07, 2019 by BilD 1 answer 3D Reference point Hi, In 3D view, how can I programmatically define the Reference point to ON DEM and the value = 0 ? Published on April 15, 2019 by EltS 3 answers Solved SID Aerial File Error with TK11 Viewer Sample and ttkMrSID95.dll I am receiving an error while attempting to view a SID aerial file in the demo viewer. I first ran into the same error transitioning our previous working code to view SID's in our software, and it is the same error. I attempted a different SID file download and still the same error: "0031 Error during readi... Published on April 16, 2019 by ScoL 1 answer < 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 > Displaying results 41-50 (of 192) Q&A Frequently Asked Questions Knowledge Base Contact Support