if (pos == null) {
text.writeAfterNewLine("No working field");
} else {
text.writeAfterNewLine("Information about working field ("
+ pos.x + "," + pos.y + ")");
text.verticalGap(5);
drawHeightLevel(text, pos);
drawVegetation(text, pos);
drawTemperature(text, pos);
drawHumidity(text, pos);